| Number | Construction | Basing |
H/F Voltage | H/F Current |
Description | Use |
| RCA-00-A | 4-Prong S-14 | |
5VDC | 250mA |
Vapor-Type Detector | |
| RCA-01-A | 4-prong ST-14 | |
5VDC | 250mA |
Detector, Amplifier | |
| 0A2 | 7-pin Miniature T5-1/2 | 5BO |
n/a | n/a |
Voltage Regulator | 150V regulator |
| 0A3, 0A3A | 6-pin Octal ST-12, T-9 | 4AJ |
n/a | n/a |
Voltage Regulator | 75V regulator |
| 0A4G | 6-pin Octal ST-12 | ? |
n/a | n/a |
Gas Triode | Relay Tube |
| 0A5 | 7-pin Miniature T5-1/2 | 0A5 |
n/a | n/a |
Switching | |
| 0B2 | 7-pin Miniature T5-1/2 | 5B0 |
n/a | n/a |
Voltage Regulator | 108V regulator |
| 0B3/VR90 | 6-pin Octal ST-12, T-9 | 4AJ |
n/a | n/a |
Voltage Regulator | 90V regulator |
| 0C2 | 7-pin Miniature T5-1/2 | 5BO |
n/a | n/a |
Voltage Regulator | 75V regulator |
| 0C3, 0C3-A | 6-pin Octal ST-12, T9 | 4AJ |
n/a | n/a |
Voltage Regulator | 105V regulator |
| 0D3, 0D3-A | 6-pin Octal ST-12, T9 | 4AJ |
n/a | n/a |
Voltage Regulator | 150V regulator |
| 0E3/85A1 | 3-pin Loctal T-9? | |
n/a | n/a |
Voltage Regulator | 85V Regulator |
| OG3/85A2 | 7-pin Miniature T5-1/2 | |
n/a | n/a |
Voltage Regulator | 85V Regulator |
| 0Y4, 0Y4G | 5-pin Octal MT8G (0Y4) or T-7
(0Y4G) | ? | n/a | n/a |
Half-Wave Gas Rectifier | |
OZ4/OZ4A (metal),
0Z4G (glass) | Octal, Metal MT8, Glass T-7 | 4R |
n/a | n/a |
Full-Wave Gas Rectifier (CC) | car radios |
| RCA-10 | 4-prong S-17 | |
7.5V | 1.25A |
Power Amplifier Oscillator | |
| 1A3 | 7-pin Miniature T5-1/2 | 5AP |
1.4V | 150mA |
HF Diode (H-K) | |
| RCA-1A4, 1A4-P | 4-Prong ST-12 | ? |
2V | 60mA |
Pentode (F) | RF Amplifier |
| 1A5G, 1A5GT | 7-pin Octal T-9 | 6X |
1.4V | 50mA |
Power Pentode (F) | |
| RCA-1A6 | 6-prong ST-12 Metal | |
2.0V | 60mA |
Pentagrid Converter | |
| 1A7G, 1A7GT | Octal T-9 | 7Z |
1.4V | 50mA |
Heptode or Pentagrid Converter (F) | |
| 1AB5 | Loctal T-9 | 5BF |
1.2V | 130mA |
Pentode (F) | Mixer or RF Amplifier |
| 1AC5 | 8-pin Subminiature T-3 | |
1.25VDC | 40mA |
Power Pentode | |
| 1AC6 | 7-pin Miniature T5-1/2 | B7G |
1.4VDC | 50mA |
Heptode Frequency Changer | |
| 1AD2A | Compactron T-9 | 12GV |
1.25V | 200mA |
High Voltage Rectifier (F) | |
| 1AD4 | 5-lead T2x3 | |
1.25VDC | 100mA |
Subminiature Pentode | |
| 1AD5 | 8-lead Subminiature T-3 | |
1.25VDC | 40mA |
Sharp-Cutoff Pentode | |
| 1AE4 | 7-pin Miniature T5-1/2 | 6AR |
1.25VDC | 100mA |
Sharp-Cutoff Pentode | |
| 1AF4 | 7-pin Miniature T5-1/2 | 6AR |
1.4VDC | 25mA |
Pentode | |
| 1AF5 | 7-pin Miniature T5-1/2 | 6AU(?) |
1.4VDC | 25mA |
Diode and Pentode | |
| 1AG4 | 5-lead Subminiature T-2x3 | |
1.25V | 40mA |
Pentode | |
| 1AG5 | 6-lead Subminiature T-2x3 | |
1.25V | 30mA |
Diode and Pentode | |
| 1AH4 | 5-lead Subminiature T-2x3 | |
1.25V | 40mA |
Pentode | |
| 1AJ2 | 12-pin Compactron T-9 | 12EL |
1.25V | 200mA |
Diode (F) | |
| 1AK4 | 5-lead Subminiature T-2x3 | |
1.25V | 20mA |
Pentode | |
| 1AU3 | 7-pin Octal T-12 | 3C |
1.25V | 200mA |
Diode (F) | |
| 1AX2 | 9-pin Miniature T6-1/2 | 9Y |
1.4V | 650mA |
High Voltage Rectifier (F) | |
| 1AY2, 1AY2A | Special 2-pin T-9 | 1AY2A |
1.25V | 200mA |
High Voltage Rectifier (F) | |
| 1B4-P | 4-prong | |
2V | 60mA |
RF Amplifier Pentode | |
| 1B5/25S | 6-prong | |
2V | 60mA |
Duplex-Diode Triode | |
| 1B7G, 1B7GT * |
Octal T-9 | 7Z | 1.4V | 100mA |
Pentagrid Converter (F) | |
| 1B63B | | |
n/a | n/a |
? | |
| 1BC2A, 1BC2B | 9-pin, Miniature T-6-1/2 | 9RG |
1.25V | 200mA |
High Voltage Rectifier (F) | |
| 1BG2 | 3-lead | |
1.4V | 575mA |
Diode (H-K) | |
| 1BH2A | 9-pin, Miniature T-6/1/2 w/ solder lugs on pins 1 & 5 | 9RG |
1.25V | 200mA |
High Voltage Rectifier (F) | |
| 1BQ2 | 9-pin Noval T6-1/2 | |
1.4V | 600mA |
Diode (H-K) | |
| 1BY2A | E12-70, T-9 | 12HZ |
1.25V | 200mA |
High Voltage Rectifier (F) | |
| 1C4 | 4-prong ST-12 | |
2.0VDC | 120mA |
Super Control RF Amplifier Pentode | |
| 1C5G, 1C5GT | 7-pin Octal T-9 | 6X |
1.4V | 100mA |
Power Amplifier Pentode (F) | |
| RCA-1C6 | 6-prong ST-12 | |
2.0VDC | 120mA |
Pentagrid Converter | |
| 1C7-G | Octal ST-12 | 7Z |
2.0VDC | 120mA |
Pentagrid Converter | |
| 1C8 | 8-lead Subminiature T-3 | BCN-0-0 |
1.25VDC | 40mA |
Pentagrid Converter | |
| 1C21 | 6-pin Octal T-9 | 4V |
n/a | n/a |
Gas-Triode | Cold-Cathode Glow-Discharge Type |
| 1D4 | 5-prong ST-14 | 5K |
2.0VDC | 240mA |
Power Amplifier Pentode | |
| 1D5, 1D5-GP, 1D5GT | 7-pin Octal ST-12 | 5Y |
2.0VDC | 60mA |
Super Control RF Amplifier Pentode | |
| 1D7G | Octal ST-12 | 7Z |
2.0V | 60mA |
Pentagrid Converter | |
| 1D8GT | Octal T-9 | 8AJ |
1.4V | 100mA |
Diode-Triode-Power Amplifier Pentode | |
| 1DG3A | Octal T-9 | 8ND |
1.25V | 200mA |
High Voltage Rectifier (F) | |
| 1DN5 | 7-pin Miniature T5-1/2 | 6BW |
1.4V | 50mA |
Diode and Remote-Cutoff Pentode (F) | Detector and IF Amplifier |
| 1E5 | 7-pin Octal ST-12 | 5Y |
2.0VDC | 60mA |
RF Amplifier Pentode | |
| 1E7G, 1E7GT | Octal ST-12 (1E7G) or T-9
(1E7GT) | 8C |
2.0VDC | 240mA |
Twin Pentode (F) | Power Amplifier |
| 1E8 | 8-lead Subminiature T-3 | |
1.25VDC | 40mA |
Pentagrid Converter | |
| RCA-1F4 * | 5-prong ST-14 | 5K |
2.0VDC | 120mA |
Power Amplifier Pentode | |
| 1F5G | 7-pin Octal ST-14 | 6X |
2.0VDC | 120mA |
Power Amplifier Pentode | |
| RCA-1F6 1F6 | 6-prong ST-12 | 6W |
2.0VDC | 60mA |
Duplex Diode and Pentode (F) | |
| 1F7-GV | Octal ST-12 | 7AD |
2.0VDC | 60mA |
Duplex Diode and Pentode (F) | |
| 1G3GTA/1B3GT | Octal T-9 | 3C |
1.25V | 200mA |
High Voltage Rectifier (F) | older B&W TV |
| 1G4GT/G | 7-pin Octal T-9 | 5S |
1.4VDC | 50mA |
Detector Amplifier Triode | |
| 1G5-G | 7-pin Octal ST-14 | 6X |
2.0VDC | 120mA |
Power Amplifier Pentode | |
| 1G6-GT/G | Octal T-9 | 7AB |
1.4VDC | 100mA |
Class B Twin Amplifier (F) | |
| 1H2 | 9-pin Miniature T6-1/2 | 9LX |
1.4V | 550mA |
Diode (H-K) | |
| 1H4G | 7-pin Octal ST-12 | |
2.0VDC | 60mA |
Detector Amplifier Triode (F) | |
| 1H5G, 1H5GT | 7-pin Octal T-9 | 5Z |
1.4V | 50mA |
Diode and High-Mu Triode | Detector and AF Amplifier |
| 1H6G | Octal ST-12 | |
2.0VDC | 60mA |
Duplex-Diode and Triode (F) | |
| 1J5G | 7-pin Octal ST-14 | |
2.0VDC | 120mA |
Power Amplifier Pentode (F) | |
| 1J6G, 1J6-GT | Octal T-9 | 7AB |
2.0VDC | 240mA |
High-Mu Twin Power Triode (F) | |
| 1K015XA, 1K015XG | | |
6.3V | 800mA |
Reflex Klystron | |
| 1K3A/1J3 | Octal T-9 | 3C |
1.25V | 200mA |
High Voltage Rectifier (F) | older B&W TV |
| 1K4 | 4-prong ST-12 | 4M |
2.0VDC | 120mA |
Pentode Amplifier (F) | |
| 1K5-G | 7-pin Octal ST-12 | 5Y |
2.0VDC | 120mA |
Pentode Amplifier (F) | |
| 1K6 | 6-prong ST-12 | 6WA |
2.0VDC | 120mA |
Duo-Diode Pentode | |
| 1K7-G | Octal ST-12 | 7AR |
2.0VDC | 120mA |
Duo-Diode Pentode | |
| 1L4 | 7-pin Miniature T5-1/2 | 6AR |
1.4VDC | 50mA |
RF Amplifier Pentode (F) | |
| 1L5-G | 7-pin Octal ST-14 | 6X |
2.0VDC | 240mA |
Power Amplifier Pentode (F) | |
| 1L6 | 7-pin Miniature T5-1/2 | 7DC |
1.4VDC | 50mA |
Pentagrid Converter | |
| 1LA4 | Loctal T-9 | 5AD |
1.4VDC | 50mA |
Power Amplifier Pentode (F) | |
| 1LA6 | Loctal T-9 | 7AK |
1.4VDC | 50mA |
Pentagrid Converter (F) | |
| 1LB4 | Loctal T-9 | 5AD |
1.4VDC | 50mA |
Power Pentode | |
| 1LC5 | Loctal T-9 | 7AO |
1.4VDC | 50mA |
Sharp-Cutoff Pentode (F) | |
| 1LC6 | Loctal T-9 | 7AK |
1.4VDC | 50mA |
Pentagrid Converter (F) | |
| 1LD5 | Loctal T-9 | 6AX |
1.4VDC | 50mA |
Diode and Sharp-Cutoff Pentode (F) | |
| 1LE3 | Loctal T-9 | 4AA |
1.4VDC | 50mA |
Medium-Mu Triode (F) | |
| 1LG5 | Loctal T-9 | 7AO |
1.4VDC | 50mA |
Remote-Cutoff Pentode (F) | RF or IF Amplifier |
| 1LH4 | Loctal T-9 | 5AG |
1.4VDC | 50mA |
Diode and High-Mu Triode (F) | Detector and AF Amplifier |
| 1LN5 | Loctal T-9 | 7A0 |
1.4VDC | 50mA |
Sharp-Cutoff Pentode (F) | |
| 1M3/DM70 | 8-pin Subminiature | |
1.4V | 25mA |
Electron-Ray Tube | Indicator |
| 1M5-G | 7-pin Octal ST-12 | 5Y |
2.0VDC | 120mA |
Super Control RF Amplifier Pentode | |
| 1N2A | 7-pin Octal T-12 | 3C |
1.25V | 200mA |
HV Half-Wave Rectifier (F) | |
| 1N3/DM71 | 8-pin Subminiature | |
1.4V | 25mA |
Electron-Ray Tube | Indicator |
| 1N5G, 1N5GT | 7-pin Octal T-9 | 5Y |
1.4VDC | 50mA |
RF Amplifier Pentode (F) | |
| 1N6G | Octal T-9 | 7AM |
1.4VDC | 50mA |
Diode and Power Amplifier Pentode (F) | |
| 1P21 | 11-pin Submagnal T-9 | 11K |
n/a | n/a |
9-Stage Photomultiplier | |
| 1P22 | 11-pin Submagnal T-9 | 11K |
n/a | n/a |
9-Stage Photomultiplier w/ S-5 Response | |
| 1P28 | 11-pin Submagnal T-9 | 11K |
n/a | n/a |
9-Stage Photomultiplier w/ S-5 Response | |
| 1P29 | 4-prong T-8 | 2K |
n/a | n/a |
Gas Phototube w/ S-3 (Violet-Green Sensitive) Response | |
| 1P37 | 4-prong T-8 | 2K |
n/a | n/a |
Gas Phototube w/ S-4 Response | |
| 1P39 | | |
n/a | n/a |
High-Vacuum Phototube (Blue Sensitive) | |
| 1P39 | | |
n/a | n/a |
Gas Phototube (Red-Infrared Sensitive) | |
| 1P41 | Peewee 3-pin T-6 | 2F |
n/a | n/a |
Gas Phototube, End Type w/ S-1 Response | |
| 1P42 | T-2 | |
n/a | n/a |
Vacuum Phototube, End Type w/ S-9 Response | |
| 1P5G, 1P5GT | Octal T-9 | 5Y |
1.4VDC | 50mA |
Pentode Amplifier | |
| 1Q5G, 1Q5GT | 7-pin Octal T-9 | 6AF |
1.4VDC | 100mA |
Beam Power Amplifier (F) | |
| 1R5, 1R5WA | 7-pin Miniature T5-1/2 |
7AT | 1.4V | 50mA |
Pentagrid Converter (F) | AM Converter |
| 1S2A | 9-pin Miniature | |
1.4V | 550mA |
Diode (H-K) | |
| 1S4 | 7-pin Miniature T5-1/2 | 7AV |
1.4V | 100mA |
Power Amplifier Pentode (F) | |
| 1S5 | 7-pin Miniature T5-1/2 | 6AU |
1.4V | 50mA |
Diode-Pentode (F) | |
| 1S22 | | |
n/a | n/a |
Vacuum Switch | |
| 1SA6GT | Octal T-9 | |
1.4VDC | 50mA |
RF Pentode | |
| 1SB6GT | 7-pin Octal T-9 | |
1.4VDC | 50mA |
Diode Pentode Amplifier | |
| 1T4, 1T4WA | 7-pin Miniature T5-1/2 |
6AR | 1.4V | 50mA |
Remote-Cutoff Pentode (F) | RF or IF Amplifier |
| 1T5GT | 7-pin Octal T-9 | 6X |
1.4V | 50mA |
Beam Power Amplifier | Audio Power Amplifier |
| 1T6 | 8-pin Subminiature T-3 | |
1.25VDC | 40mA |
Diode and Sharp-Cutoff Pentode | |
| 1U4, 1U4WA | 7-pin Miniature T5-1/2 |
6AR | 1.4V | 50mA |
Sharp-Cutoff Pentode | |
| 1U5, 1U5WA | 7-pin Miniature T5-1/2 |
6BW | 1.4V | 50mA |
Diode-Pentode | |
| 1U6 | 7-pin Miniature T5-1/2 | 7CD |
1.4V | 25mA |
Heptode (F) | |
| 1-V | 4-prong ST-12 | |
6.3V | 300mA |
Half-Wave High-Vacuum Rectifier | |
| 1V2 | 9-pin Miniature T-6-1/2 | 9U |
0.625V | 300mA |
High Voltage Rectifier (F) | Focus Rectifier |
| 1V5 | 8-lead Subminiature T-3 | |
1.25VDC | 40mA |
Output Pentode | |
| 1V6 | 7-lead Subminiature T-2x3 | |
1.25V | 40mA |
Triode-Pentode (F) | |
| 1W4 | 7-pin Miniature T5-1/2 | 5BZ |
1.4VDC | 50mA |
Power Amplifier Pentode | |
| 1W5 | 8-lead Subminiature T-3 | 8CP-0-0 |
1.25VDC | 40mA |
Sharp-Cutoff RF Pentode | |
| 1X2, 1X2A, 1X2B,
1X2C/1BX2 | 9-pin Miniature T-6&-1/2 | 9Y |
1.25V | 200mA |
High Voltage Rectifier (F) | |
| 1Z2 | 7-pin Miniature T5-1/2 | |
1.25V | 265mA |
DIode (F) | |
| 2-25A | | |
6.3V | 3A |
High-Vacuum Rectifier | |
| 2-50A | | |
5V | 4A |
High-Vacuum Rectifier | |
| 2-150D | | |
5V | 13A |
High-Vacuum Rectifier | |
| 2-240A | | |
7.5V | 12A |
High-Vacuum Rectifier | |
| 2-2000A | | |
10V | 25A |
High-Vacuum Rectifier | |
| 2A3 | 4-prong | 4D |
2.5V | 2.5A |
Power Triode (F) | |
| 2A4-G | 7-pin Octal ST-12 | 5S |
2.5V | 2.5A |
Gas Triode | Relay Service |
| RCA-2A5 | 6-prong ST-14 | |
2.5V | 1.75A |
Power Amplifier Pentode | AF Output |
| RCA-2A6 2A6 | 6-prong ST-12 | |
2.5V | 800mA |
Duplex-Diode and High-Mu Triode | |
| RCA-2A7 | 7-prong ST-12 | 7C |
2.5V | 800mA |
Pentagrid Converter | |
| 2AF4 | 7-pin Miniature T5-1/2 | 7DK |
2.35V | 600mA |
UHF Triode | |
| 2AH2 | 12-pin Compactron T-9 | 12DG |
2.5V | 300mA |
High Voltage Rectifier (H-K) | |
| 2AS2, 2AS2A | 12-pin Compactron T-9 | 12EW |
2.5V | 330mA |
High Voltage Rectifier (H-K) | |
| 2AV2 | 9-pin Miniature T-6-1/2 | 9U |
1.8V | 225mA |
High Voltage Rectifier (F) | Focus Rectifier |
| 2B3 | 6-pin Octal T-9 | 8HC |
1.75V | 250mA |
Diode (F) | High-Voltage Rectifier in TV |
| 2B4 | 5-prong | 5A |
2.5V | 1.4A |
Gas Triode | Oscillograph Sweep Oscillator |
| RCA-2B7 | 7-prong ST-12 | |
2.5V | 800mA |
Duplex-Diode and Pentode | |
| 2BJ2, 2BJ2A | 9-pin Miniature T6-1/2 |
9RT | 2.30V | 300mA |
High Voltage Rectifier | |
| 2BN4, 2BN4A * | 7-pin Miniature T5-1/2 |
7EG | 2.35V | 600mA |
Medium-Mu Triode | VHF Amplifier |
| 2BU2/2AS2A/2AH2 | Compactron T-9 | 12EW |
2.5V | 330mA |
High Voltage Rectifier (H-K) | |
| 2C4 | 7-pin Miniature T5-1/2 | |
2.5V | 650mA |
Thyratron | |
| 2C21/1642 | 7-prong ST-12 | 7BH |
6.3V | 600mA |
Twin Triode | |
| 2C22 | Octal T-9 | 4AM |
6.3V | 300mA |
Amplifier Triode | (two caps!) |
| 2C36 | "acorn" type | |
6.3V | 400mA |
Triode | UHF Oscillator |
| 2C37 | "acorn" type | |
6.3V | 400mA |
Triode | |
| 2C39B | |
4.5-6.3V | 1.03A |
Planar Triode | (forced-air cooled) |
| 2C40, 2C40A | Octal metal shell |
| 6.3V | 750mA |
Lighthouse Triode | |
| 2C43 | Octal metal shell | |
6.3V | 800mA |
Lighthouse Triode | |
| 2C51 | 9-pin Miniature T6-1/2 | 8CJ |
6.3V | 300mA |
Medium-Mu Twin Triode | |
| 2CN3A, 2CN3B | Octal T-9 | 8MU |
1.8V | 900mA |
High Voltage Rectifier (H-K) | |
| 2CW4 | Nuvistor, metal | 12AQ |
2.1V | 450mA |
High-Mu Triode | VHF Amplifier |
| 2CY5 | 7-pin Miniature T5-1/2 | 7EW |
2.4V | 600mA |
Sharp-Cutoff Tetrode | VHF Amplifier |
| 2D13, 2D13A, 2D13C
| | | 13.0V | 200mA |
Double Diode | |
| 2D21 | 7-pin Miniature T5-1/2 | 7BN |
6.3V | 600mA |
Gas Thyratron Tetrode | |
| 2DS4 | Nuvistor, metal | 12AQ |
2.1V | 450mA |
High-Mu Triode | VHF Amplifier |
| 2DV4 | Nuvistor, Metal | 12EA |
2.1V | 450mA |
Medium-Mu Triode | UHF Oscillator |
| 2DZ4/2AF4A | 7-pin Miniature T5-1/2 |
7DK | 2.35V | 600mA |
Medium-Mu Triode | UHF Oscillator |
| 2E5 | 6-prong ST-12 | |
2.5V | 800mA |
Electron-Ray Tube w/ Triode Unit | Indicator |
| 2E22 | 5-prong ST-16 | |
6.3V | 1.5A |
Pentode Power Amplifier Oscillator | |
| 2E24 | Octal T-9 | 7CL |
6.3V | 650mA |
VHF Beam Power Amplifier | |
| 2E26 | Octal T-9 | 7CK |
6.3V | 800mA |
VHF Beam Power Amplifier | |
| 2E31 | 5-lead Subminiature T-2x3 | |
1.25V | 50mA |
Pentode | RF/IF Amplifier |
| 2E35 | 5-lead Subminiature T-2x3 | |
1.25V | 30mA |
Pentode | Power Amplifier |
| 2EA5 | 7-pin Miniature T5-1/2 | 7EW |
2.4V | 600mA |
Sharp-Cutoff Tetrode | |
| 2EN5 | 7-pin Miniature T5-1/2 | 7FL |
2.1V | 450mA |
Twin Diode | |
| 2ER5 | 7-pin Miniature T5-1/2 | 7FP |
2.3V | 600mA |
Semiremote-Cutoff Triode | VHF Amplifier |
| 2ES5 | 7-pin Miniature T5-1/2 | 7FP |
2.35V | 600mA |
High-Mu Triode | VHF Amplifier |
| 2EV5 | 7-pin Miniature T5-1/2 | 7EW |
2.4V | 600mA |
Sharp-Cutoff Tetrode | VHF Amplifier |
| 2FH5 | 7-pin Miniature T5-1/2 | 7FP |
2.35V | 600mA |
High-Mu Triode | VHF Amplifier |
| 2FQ5, 2FQ5A | 7-pin Miniature T5-1/2 | 7FP |
2.3V | 600mA |
Semi-Remote-Cutoff Triode | |
| 2FS5 | 7-pin Miniature T5-1/2 | 7GA |
2.4V | 600mA |
Shadow-Grid Beam Pentode | VHF Amplifier |
| 2FV6 | 7-pin Miniature T5-1/2 | 7FQ |
2.4V | 600mA |
Sharp-Cutoff Tetrode | VHF Amplifier |
| 2FY5 | 7-pin Miniature T5-1/2 | 7FP |
2.4V | 600mA |
High-Mu Triode | VHF Amplifier |
| 2G/402A, 3B28 (CV1835) | | |
2.5V | 5A |
Gas-Filled Half-Wave Rectifier | |
| 2G5 | 6-prong ST-12 | 6R |
2.5V | 800mA |
Electron-Ray Tube | Indicator |
| 2G21 | 7-lead Subminiature T-2x3 | |
1.25V | 50mA |
Triode and Heptode | |
| 2GK5/2FQ5A | 7-pin Miniature T5-1/2 |
7FP | 2.3V | 600mA |
Gain-Controlled Triode | VHF Amplifier |
| 2GU5 | 7-pin Miniature T5-1/2 | 7GA |
2.4V | 600mA |
Shadow Grid Beam Pentode | VHF Amplifier |
| 2GW5 | 7-pin Miniature T5-1/2 | 7GK |
2.45V | 600mA |
Frame-Grid Triode | VHF RF Amplifier |
| 2HA5/2HM5 | 7-pin Miniature T5-1/2 | 7GM |
2.4V | 600mA |
Shielded Triode | VHF Amplifier |
| 2HK5 | 7-pin Miniature T5-1/2 | 7GM |
2.3V | 600mA |
Gain Controlled Triode | VHF Amplifier |
| 2HQ5 | 7-pin Miniature T5-1/2 | 7GM |
2.4V | 600mA |
Sharp-Cutoff Triode | VHF Amplifier |
| 2J42 | | |
6.3V | 600mA |
Magnetron | (forced-air cooled) |
| 2J49, 2J50 | | |
6.3V | 1A |
Magnetron | |
| 2J51, 2J51A | | |
6.3V | 0.9-1A |
Magnetron | |
| 2J55 | | |
6.3V | |
Magnetron | |
| 2K25 | | |
6.3V | 440mA |
Klystron | |
| 2K26 | 4-pin Octal variant | |
6.3V | 440mA |
Klystron | |
| 2K42 | | |
6.3V | 1A |
Klystron | |
| 2K45 | | |
6.3V | 760mA |
Velocity Variation Oscillator (Klystron) | |
| 2K50 | Octal | |
6.3V | |
Klystron | |
| 2K56 | 4-pin Octal variant | |
6.3V | 440mA |
Klystron | |
| 2T/270K (CV261)/6305 | Miniature | |
4V | 500mA |
Half-Wave High-Voltage Rectifier | |
| 2T/450E, 705A (CV3587) | | |
5V | 5A |
Half-Wave High-Vacuum Rectifier | |
| 2V/400A, 866A (CV32) | | |
2.5V | 5.0A |
Half-Wave Mercury-Vapor Rectifier | |
| 2V/471A, 872A (CV1449) | | |
5V | 7.25A |
Half-Wave Mercury-Vapor Rectifier | |
| 2V/500C, 4049D | | |
4V | 11A |
Half-Wave Mercury-Vapor Rectifier | |
| 2V/530E, 4078A | | |
5V | 20A |
Hot-Cathode Mercury-Vapor Rectifier | |
| 2V/531E (CV1420) | | |
5V | 20A |
Half-Wave Mercury-Vapor Rectifier | |
| 2V/560E (4079A) | | |
5V | 38A |
Hot Cathode Mercury-Vapor Rectifier | |
| 2V/561E | | |
5V | 40A |
Half-Wave Mercury-Vapor Rectifier | |
| 2T4 | 7-pin Miniature T5-1/2 | 7DK |
2.35V | 600mA |
Low-Mu Triode | UHF Oscillator |
| 2V3G | 6-pin Octal ST-12 | |
2.5VAC | 5A |
Half-Wave High-Vacuum Rectifier (F) | |
| 2X2, 2X2A * |
4-prong | 4AB | 2.5V | 1.75A |
Half-Wave Vacuum Rectifier (H-K) | |
| 3-500Z | | |
5.0V | 14.5A |
High-Mu Power Triode | |
| 3A2, 3A2A | 9-pin Miniature T-6-1/2 |
9DT | 3.15V | 220mA |
High Voltage Rectifier (H-K) | Color TV |
| 3A3, 3A3A, 3A3C | Octal T-9 | 8EZ |
3.15V | 220mA |
High Voltage Rectifier (H-K) | Color TV |
| 3A4 | 7-pin Miniature T5-1/2 | 7BB |
2.8V/1.4V | 100mA/200mA |
Power Amplifier Pentode | |
| 3A5 | 7-pin Miniature T5-1/2 | 7BC |
2.8V/1.4V | 110mA/220mA |
H-F Twin Triode | |
| 3A8-GT | Octal T-9 | 8AS |
2.8V/1.4V | 50mA/100mA |
Diode-Triode-RF Amplifier Pentode | |
| 3AF4, 3AF4A | 7-pin Miniature T5-1/2 | 7DK |
3.15V | 450mA |
UHF Triode | |
| 3AL5 | 7-pin Miniature T5-1/2 | 6BT |
3.15V | 600mA |
High Perveance Twin Diode | FM or TV Detector |
| 3AT2, 3AT2B | Compactron T-9 | 12FV |
3.15V | 220mA |
High Voltage Rectifier (H-K) | Color TV |
| 3AU6 | 7-pin Miniature T5-1/2 | 7BK |
3.15V | 600mA |
Sharp-Cutoff Pentode | RF Amplifier |
| 3AV6 | 7-pin Miniature T5-1/2 | 7BT |
3.15V | 600mA |
Double Diode and High-Mu Triode | Detector and AF Amplifier |
| 3AW2A | Compactron T-9 | 12HA |
3.15V | 350mA |
High Voltage Rectifier (H-K) | Color TV |
| 3AW3 | 6-pin Octal T-9 | 8EZ |
3.15V | 220mA |
Half-Wave Vacuum Rectifier | High-Voltage Rectfier |
| 3B2 | Octal T-12 | 8GH |
3.15V | 220mA |
Half-Wave Vacuum Rectifier | High-Voltage Rectifier |
| 3B5GT | 7-pin Octal T-9 | |
2.8V/1.4V | 50mA/100mA |
Beam Power Amplifier | |
| 3B7/1291 | Loctal T-9 | 7BL |
2.8V/1.4VDC | 110mA/220mA |
Double Triode (F) | |
| RK-3B24W | 4-prong | |
2.5V/5V | 3A |
Half-Wave High-Vacuum Rectifier | |
| 3B25 | 4-prong | 4F |
2.5V | 5A |
Half-Wave Gas Rectifier | |
| 3B26 | Octal T-9 | |
2.5V | 4.75A |
Diode (H-K) | |
| 3B28 | 4-prong | 4P |
2.5V | 5A |
Half-Wave Gas Rectifier | |
| 3B29 | 4-prong T-12 | |
2.5V | 4.9A |
Diode (H-K) | |
| 3BA6 (RCA), 3BA6 (GE) | 7-pin Miniature T5-1/2 |
7BK (RCA), 7CC (GE) | 3.15V | 600mA |
Semi-Remote-Cutoff Pentode | RF/IF Amplifier |
| 3BC5 | 7-pin Miniature T5-1/2 | 7BC |
3.15V | 600mA |
Pentode | |
| 3BE6 | 7-pin Miniature T5-1/2 | 7CH |
3.15V | 600mA |
Heptode | AM-FM Pentagrid Converter |
| 3BH2 | 9-pin Magnoval | |
3.15V | 370mA |
HV Rectifier | |
| 3BL2A | Compactron T-9 | 12HK |
3.3V | 285mA |
High Voltage Rectifier, Posted Filament Design (F) | Color TV |
| 3BM2A | Compactron T-9 | 12HK |
3.0V | 300mA |
High Voltage Rectifier, Posted Filament Design (F) | Color TV |
| 3BN2A | Compactron T-9 | 12FV |
3.15V | 300mA |
High Voltage Rectifier (H-K) | Color TV |
| 3BN4, 3BN4A | 7-pin Miniature T5-1/2 |
7EG | 3.0V | 450mA |
Medium-Mu Triode | VHF Amplifier |
| 3BN6 | 7-pin Miniature T5-1/2 | 7DF |
3.16V | 600mA |
Pentode | Gated Beam Discriminator |
| 3BU8 | 9-pin Miniature T6-1/2 | 9FG |
3.15V | 600mA |
Twin Pentode | |
| 3BW2/3BS2B/3BT2A | Compactron T-9 | 12HY |
3.15V | 480mA |
High Voltage Rectifier (H-K) | Color TV |
| 3BX6 | 9-pin Miniature T6-1/2 | 9AQ |
3.4V | 600mA |
Pentode | |
| 3BY6 | 7-pin Miniature T5-1/2 | 7CH |
3.15V | 600mA |
Heptode | Sync Separator and Clipper |
| 3BZ6 | 7-pin Miniature T5-1/2 | 7CM |
3.15V | 600mA |
Semi-Remote-Cutoff Pentode | AGC/IF Amplifier |
| 3C2 | Octal T-12 | 8FV |
3.15/1.58V | 210/420mA |
HV Rectifier | Color TV |
| 3C23 | 4-prong ST-16 | 3G |
2.5V | 7A |
Gas-and-Mercury-Vapor Thyratron | |
| 3C24 | | |
6.3V | 3.0A |
Medium-Mu Triode | |
| 3C33 | 7-prong T-16 | 7CG |
12.6V | 1.125A |
Twin-Triode Power Amplifier | |
| 3C45 | 4-prong | |
6.3V | 2-2.5A |
Hydrogen Thyratron | |
| 3CA3, 3CA3A | Octal T-9 | 8MH |
3.6V | 225mA |
High Voltage Rectifier (H-K) | Color TV |
| 3CB6/3CF6 | 7-pin Miniature T5-1/2 | 7CM |
3.15V | 600mA |
Sharp-Cutoff Pentode | RF/IF Amplifier |
| 3CE5 * | 7-pin Miniature T5-1/2 | 7BD |
3.15V | 600mA |
Pentode | |
| 3CF6 | 7-pin Miniature T5-1/2 | 7CM |
3.15V | 600mA |
Sharp-Cutoff Pentode | IF Amplifier |
| 3CN3B | Octal T-9 | 8MU |
3.15V | 480mA |
High Voltage Rectifier (H-K) | Color TV |
| 3CS6 | 7-pin Miniature T5-1/2 | 7CH |
3.15V | 600mA |
Dual Control Heptode | Sync Separator and Clipper |
| 3CU3A | Octal T-9 | 8MK |
3.15V | 280mA |
High Voltage Rectifier (F) | Color TV |
| 3CX1200D7 | | |
6.3V | 25A |
High Mu Power Triode | (forced-air cooled) |
| 3CY5 | 7-pin Miniature T5-1/2 | 7EW |
2.9V | 450mA |
Sharp-Cutoff Tetrode | VHF Amplifier |
| 3CZ3, 3CZ3A | Octal T-9 | 8EZ |
3.15V | 480mA |
Half-Wave Vacuum Rectifier | High-Voltage Rectifier |
| 3D6/1299 | Loctal T-9 | 6BB |
2.8V/1.4VDC | 110mA/220mA |
Beam Pentode (F) | |
| 3D21WB | 6-pin Octal T-12 | |
12.6/6.3V | 850mA/1.7A |
Pulse Beam Power Tetrode | |
| 3D22, 3D22-A | 7-prong T-16 | 7BV |
6.3V | 2.5A |
Gas Thyratron | |
| 3DA3 | Octal T-9 | 5MY |
3.15V | 480mA |
Diode (H-K) | Color TV HV Rectifier |
| 3DB3/3CY3 | Octal T-9 | 8MX |
3.15 +/- 0.5V | 245mA |
High Voltage Rectifier (H-K) | Color TV |
| 3DC3 | Octal T-9 | 8MZ |
3.15V | 280mA |
High Voltage Rectifier (F) | Color TV |
| 3DF3, 3DF3A | Octal T-9 | 8MT |
3.15 +/- 0.5V | 300mA |
High Voltage Rectifier (H-K) | Color TV |
| 3DG4 | 5-pin Octal T-12 | 5DE |
3.3V | 3.8A |
Full-Wave Power Rectifier (F) | |
| 3DH3 | Octal T-9 | 8MN |
3.15V | 480mA |
Diode (H-K) | Color TV HV Rectifier |
| 3DJ3 | Octal T-9 | 8MX |
3.15 +/- 0.5V | 300mA |
High Voltage Rectifier (H-K) | Color TV |
| 3DK6 | 7-pin Miniature T5-1/2 | 7CM |
3.15V | 600mA |
Sharp Cutoff Pentode | IF Amplifier |
| 3DR3 | Octal T-11 | 8NL |
3.15 +/- 0.5V | 300mA |
High Voltage Rectifier (H-K) | Color TV |
| 3DS3 | Octal T-11 | 8NL |
3.15 +/- 0.5V | 300mA |
High Voltage Rectifier (H-K) | Color TV |
| 3DT6A | 7-pin Miniature T5-1/2 | 7EN |
3.15V | 600mA |
Sharp-Cutoff Pentode | FM Detector |
| 3DZ4/3AF4A | 7-pin Miniature T5-1/2 |
7DK | 3.2V | 450mA |
Medium-Mu Triode | UHF Oscillator |
| 3E5 | 7-pin Miniature T5-1/2 | 6BX |
2.8/1.4V | 25/50mA |
Beam Pentode | |
| 3E6 | Loctal T-9 | 7GJ |
2.8/1.4V | 50/100mA |
Pentode | |
| 3E22 | Octal T-16 | 8BY |
12.6V/6.3V | 800mA/1.6A |
Push-Pull H-F Beam Power Amplifier | |
| 3E29 | 7-prong | 7BP |
12.6/6.3V | 1.125/2.25A |
Twin-Unit Beam Power Amplifier | |
| 3EA5 | 7-pin Miniature T5-1/2 | 7EW |
2.9V | 200mA |
Sharp-Cutoff Tetrode | |
| 3EH7/XF183 | 9-pin Miniature T6-1/2 | 9AQ |
3.4V | 600mA |
Semi-Remote-Cutoff Pentode | VHF/IF Amplifier |
| 3EJ7/XF184 | 9-pin Miniature T6-1/2 | 9AQ |
3.4V | 600mA |
Sharp-Cutoff Pentode | IF Amplifier |
| 3ER5 | 7-pin Miniature T5-1/2 | 7FP |
2.8V | 450mA |
Semiremote-Cutoff Triode | VHF Amplifier |
| 3ES5 | 7-pin Miniature T5-1/2 | 7FP |
3.0V | 450mA |
High-Mu Triode | VHF Amplifier |
| 3EV5 | 7-pin Miniature T5-1/2 | 7EW |
2.9V | 450mA |
Sharp-Cutoff Tetrode | VHF Amplifier |
| 3FH5 | 7-pin Miniature T5-1/2 | 7FP |
3.0V | 450mA |
High-Mu Triode | VHF Amplifier |
| 3FQ5, 3FQ5A | 7-pin Miniature T5-1/2 | 7FP |
2.8V | 450mA |
Gain-Controlled Triode | VHF Amplifier |
| 3FS5 | 7-pin Miniature T5-1/2 | 7GA |
2.9V | 450mA |
Shadow-Grid Beam Pentode (Beam Hexode on datasheet) | VHF Amplifier |
| 3FY5 | 7-pin Miniature T5-1/2 | 7FP |
3.1V | 450mA |
High-Mu Triode | VHF Amplifier |
| 3GK5 | 7-pin Miniature T5-1/2 | 7FP |
2.8V | 450mA |
Gain-Controlled Triode | VHF Amplifier |
| 3GS8/3BU8 * | 9-pin Miniature T6-1/2 |
9LW or 9FG | 3.15V | 600mA |
Double Pentode | Sync Separator/Clipper and AGC Tube |
| 3GU5 | 7-pin Miniature T5-1/2 | 7GA |
3.1V | 450mA |
Shadow Grid Beam Pentode | VHF Amplifier |
| 3GW5 | 7-pin Miniature T5-1/2 | 7GK |
3.0V | 450mA |
Frame-Grid Triode | VHF RF Amplifier |
| 3HA5/3HM5 | 7-pin Miniature T5-1/2 | 7GM |
2.9V | 450mA |
Shielded Triode | VHF Amplifier |
| 3HK5 | 7-pin Miniature T5-1/2 | 7GM |
2.9V | 450mA |
Gain Controlled Triode | VHF Amplifier |
| 3HM6 | 9-pin Miniature T6-1/2 | 9PM |
3.15V | 600mA |
Sharp-Cutoff Pentode | IF Amplifier |
| 3HQ5 | 7-pin Miniature T5-1/2 | 7GM |
3.0V | 450mA |
Sharp-Cutoff Triode | VHF Amplifier |
| 3HS8 | 9-pin Miniature T6-1/2 | 9FG |
3.15V | 600mA |
Double Pentode | Sync Separator/Clipper and AGC |
| 3HT6 | 9-pin Miniature T6-1/2 | 9PM |
3.15V | 600mA |
Semi-Remote-Cutoff Pentode | IF Amplifier |
| 3JC6, 3JC6A | 9-pin Miniature T6-1/2 | 9PM |
3.5V | 600mA |
Sharp Cutoff Pentode | IF Amplifier |
| 3JD6 | 9-pin Miniature T6-1/2 | 9PM |
3.5V | 600mA |
Sharp-Cutoff Pentode | IF Amplifier |
| 3KT6 | 9-pin Miniature T6-1/2 | 9PM |
3.5V | 600mA |
Semi-Remote-Cutoff Pentode | IF Amplifier in TV |
| 3LF4 | Loctal T-9 | 6BB |
2.8V/1.4V | 50mA/100mA |
Beam Power Amplifier | |
| 3Q4 | 7-pin Miniature T5-1/2 | 7BA |
2.8V/1.4V | 50mA/100mA |
Power Amplifier Pentode | AF Output Amplifier |
| 3Q5GT/G | 7-pin Octal T-9 | 7AP |
2.8V/1.4V | 50mA/100mA |
Beam Power Amplifier | AF Output Amplifier |
| 3S4 | 7-pin Miniature T5-1/2 | 7BA |
2.8V/1.4V | 50mA/100mA |
Power Pentode | AF Output Amplifier |
| 3V4 | 7-pin Miniature T5-1/2 | 6BX |
2.8V/1.4V | 50mA/100mA |
Power Pentode | AF Output Amplifier |
| 4-65A | | |
6.0V | 3.5A |
Radial-Beam Power Tetrode | |
| 4-125A | | |
5.0V | 6.5A |
Radial-Beam Power Tetrode | |
| 4-250A | | |
5.0V | 14.5A |
Radial-Beam Power Tetrode | |
| 4-400A | Special Metal-Shell Giant 5-pin | 5BK |
5V | 14.5A |
Beam Power Tube | (forced-air cooled) |
| 4-1000A | | |
7.5V | 21A |
Radial-Beam Power Tetrode | |
| 4A/137B (4045A) | | |
5V | 1.6A |
Coplanar-Grid Tetrode | |
| 4AU6 | 7-pin Miniature T5-1/2 | 7BK |
4.2V | 450mA |
Sharp-Cutoff Pentode | RF Amplifier |
| 4AV6 | 7-pin Miniature T5-1/2 | 7BT |
4.2V | 450mA |
Double Diode and High-Mu Triode | Detector and AF Amplifier |
| 4B26/2000 | Mogul Screw Base | |
2.2VAC | 18A |
Half-Wave Gas Rectifier | |
| RK-4B31 | 4-pin Super Jumbo | |
5VAC | 5A |
Half-Wave High-Vacuum Rectifier (H-K) | |
| 4B32 | T-18 | 4AT |
5V | 7.25A |
Xenon-Filled Half-Wave Rectifier | |
| 4BA6 (GE) | 7-pin Miniature T5-1/2 | 7BK |
4.2V | 450mA |
Semi-Remote-Cutoff Pentode | RF/IF Amplifier in Series-String |
| 4BC5 | 7-pin Miniature T5-1/2 | 7BD |
4.2V | 450mA |
Sharp-Cutoff Pentode | |
| 4BC8 | 9-pin Miniature T6-1/2 | 9AJ |
4.2V | 600mA |
Medium-Mu, Semiremote-Cutoff Twin Triode | VHF Cascode Amplifier |
| 4BE6 | 7-pin Miniature T5-1/2 | 7CH |
4.2V | 450mA |
Heptode | AM-FM Pentagrid Converter |
| 4BL8/XCF80 | 9-pin Miniature T6-1/2 | 9DC |
4.6V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | VHF Oscillator and Mixer |
| 4BN4? | 7-pin Miniature T5-1/2 | 7EG |
? | ? |
Triode | VHF RF Amplifier |
| 4BN6 | 7-pin Miniature T5-1/2 | 7DF |
4.2V | 450mA |
Pentode | Gated Beam Discriminator |
| 4BQ7/4BZ7 | 9-pin Miniature T6-1/2 |
9AJ | 4.2V | 600mA |
Twin Medium-Mu Triode | VHF Cascode Amplifier |
| 4BS8 | 9-pin Miniature T6-1/2 | 9AJ |
4.5V | 600mA |
Medium-Mu Twin Triode | VHF Cascode Amplifier |
| 4BU8 | 9-pin Miniature T6-1/2 | 9FG or 9LW? |
4.2V | 450mA |
Double Pentode | Sync Separator/Clipper and AGC Tube |
| 4BZ6 | 7-pin Miniature T5-1/2 | 7CM |
4.2V | 450mA |
Semi-Remote-Cutoff Pentode | AGC/IF Amplifier |
| 4BZ7 * | 9-pin Miniature T6-1/2 | 9AJ |
4.2V | 600mA |
Medium-Mu Double Triode | |
| 4BZ8 | 9-pin Miniature T6-1/2 | 9AJ |
4.2V | 600mA |
Medium-Mu, Semiremote-Cutoff Twin Triode | VHF Cascode Amplifier |
| 4C33 | | |
5V | 9.1A |
Power Triode | Forced-Air Cooled |
| 4C35 | 4-pin Super Jumbo w/ Bayonet | |
6.3V | 5.5-6.7A |
Hydrogen Thyratron | |
| 4CB6 | 7-pin Miniature T5-1/2 | 7CM |
4.2V | 450mA |
Sharp-Cutoff Pentode | RF/IF Amplifier |
| 4CE5 | 7-pin Miniature T5-1/2 | 7BD |
4.2V | 450mA |
Sharp-Cutoff Pentode | |
| 4CN15A | | |
6.0V | 2.85A |
Ceramic Tetrode | RF Power Amplifier or Oscillator |
| 4CS6 | 7-pin Miniature T5-1/2 | 7CH |
4.2V | 450mA |
Dual Control Heptode | Sync Separator and Clipper |
| 4CX7 | 9-pin Miniature T6-1/2 | 9FC |
4.2V | 600mA |
Medium-Mu Twin Triode | Cascode VHF Amplifier |
| 4XC300A | | |
6.0V | 2.75A |
Ceramic Power Tetrode | |
| 4XC1000A | | |
6.0V | 11.5A |
Ceramic Power Tetrode | |
| 4CX5000A | | |
7.5V | 73-78A |
Radial-Beam Power Tetrode | |
| 4CX10000D | | |
7.5V | 73-78A |
Radial-Beam Power Tetrode | |
| 4CY5 | 7-pin Miniature T5-1/2 | 7EW |
4.5V | 300mA |
Sharp-Cutoff Tetrode | VHF Amplifier |
| 4CX1500B, 8660 | | |
6.0V | 11A |
Radial Beam Power Tetrode | |
| 4CX5000A, 4CX5000R | | |
7.5V | 75A |
VHF Power Tetrode | |
| 4D1 | 7-prong | |
13.0V | 200mA |
Triode | |
| RK-4D22, RK-4D32 | | |
25.2/12.6V | 800mA/1.6A |
Beam Power Tube | |
| 4DE6 | 7-pin Miniature T5-1/2 | 7CM |
4.2V | 450mA |
Sharp-Cutoff Pentode | IF Amplifier |
| 4DK6 | 7-pin Miniature T5-1/2 | 7CM |
4.2V | 450mA |
Sharp Cutoff Pentode | IF Amplifier |
| 4DT6, 4DT6A | 7-pin Miniature T5-1/2 | 7EN |
4.2V | 450mA |
Sharp-Cutoff Pentode | FM Detector |
| 4E27/8001, 4E27A/5-125B | 7-prong T-21 |
7BM | 5V | 7.5A |
Transmitting Beam Power Amplifier | |
| 4EH7 | 9-pin Miniature T6-1/2 | 9AQ |
4.4V | 450mA |
Semi-Remote-Cutoff Pentode | VHF/IF Amplifier |
| 4EJ7 | 9-pin Miniature T6-1/2 | 9AQ |
4.4V | 450mA |
Sharp-Cutoff Pentode | IF Amplifier |
| 4ES8 | 9-pin Miniature T6-1/2 | 9AJ |
4.0V | 600mA |
Semi-Remote-Cutoff Twin Triode (Datasheet says "Variable-Mu") | VHF Cascode Amplifier |
| 4EW6 | 7-pin Miniature T5-1/2 | 7CM |
4.2V | 600mA |
Sharp-Cutoff Pentode | IF Amplifier |
| 4GJ7 | 9-pin Miniature T6-1/2 | 9QA |
4.1V | 600mA |
Triode and Pentode | VHF Oscillator and Mixer |
| 4GK5 | 7-pin Miniature T5-1/2 | 7FP |
4.0V | 300mA |
Gain-Controlled Triode | VHF Amplifier |
| 4GM6 | 7-pin Miniature T5-1/2 | 7CM |
4.2V | 600mA |
Semi-Remote-Cutoff Pentode | IF Amplifier |
| 4GS8 */4BU8 |
9-pin Miniature T6-1/2 | 9LW or 9FG | 4.2V | 450mA |
Double Pentode | Sync Separator/Clipper and AGC Tube |
| 4GW5 | 7-pin Miniature T5-1/2 | 7GK |
4.2V | 300mA |
Frame-Grid Triode | VHF RF Amplifier |
| 4GX7 | 9-pin Miniature T6-1/2 | 9QA |
4.2V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | VHF Oscillator and Mixer |
| 4GZ5 | 7-pin Miniature T5-1/2 | 7CV |
4.0V | 600mA |
Power Pentode | Audio Power Amplifier |
| 4HA5/4HM5 | 7-pin Miniature T5-1/2 | 7GM |
4.0V | 300mA |
Shielded Triode | VHF Amplifier |
| 4HC7 | 12-pin Compactron T-9 | 12FR |
4.7V | 600mA |
Dissimilar Dual Triode | Sync Clipper and AGC Amplifier |
| 4HG8 | 9-pin Miniature T6-1/2 | 9MP |
4.5V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | VHF Oscillator and Mixer |
| 4HK5 | 7-pin Miniature T5-1/2 | 7GM |
4.0V | 300mA |
Gain Controlled Triode | VHF Amplifier |
| 4HM6 | 9-pin Miniature T6-1/2 | 9PM |
4.2V | 450mA |
Sharp-Cutoff Pentode | IF Amplifier |
| 4HQ5 | 7-pin Miniature T5-1/2 | 7GM |
4.2V | 300mA |
Sharp-Cutoff Triode | VHF Amplifier |
| 4HS8 | 9-pin Miniature T6-1/2 | 9FG |
4.2V | 450mA |
Double Pentode | Sync Separator/Clipper and AGC |
| 4HT6 | 9-pin Miniature T6-1/2 | 9PM |
4.2V | 450mA |
Semi-Remote-Cutoff Pentode | IF Amplifier |
| 4J50 | | |
13.75V | 3.5A |
Magnetron | (forced-air cooled) |
| 4J52, 4J52A | | |
12.6V | 2.1A (4J52), 2.2A (4J52A) |
Magnetron | (forced-air cooled) |
| 4J57, 4J58, 4J59 | | |
12.6V | 3.25-4A |
Magnetron | Fixed Frequency |
| 4J78 | | |
13.75V | 3.5A |
Magnetron | (forced-air cooled) |
| 4JC6, 4JC6A | 9-pin Miniature T6-1/2 | 9PM |
4.5V | 450mA |
Sharp Cutoff Pentode | IF Amplifier |
| 4JD6 | 9-pin Miniature T6-1/2 | 9PM |
4.5V | 450mA |
Sharp-Cutoff Pentode | IF Amplifier |
| 4JH6 | 7-pin Miniature T5-1/2 | 7CM |
4.2V | 450mA |
Semi-Remote-Cutoff Pentode | AGC/IF Amplifier |
| 4JK6 | 7-pin Miniature T5-1/2 | 7CM |
3.7V | 600mA |
Sharp-Cutoff Pentode | IF Amplifier |
| 4JL6 | 7-pin Miniature T5-1/2 | 7CM |
3.7V | 600mA |
Semi-Remote-Cutoff Pentode | AGC/IF Amplifier |
| 4KE8 | 9-pin Miniature T6-1/2 | 9DC |
4.5V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | VHF Oscillator and Mixer |
| 4KT6 | 9-pin Miniature T6-1/2 | 9PM |
4.5V | 450mA |
Semi-Remote-Cutoff Pentode | IF Amplifier in TV |
| 4LJ8 | 9-pin Miniature T6-1/2 | 9GF |
4.3V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | VHF Oscillator and Mixer |
| 4LU6 | 7-pin Miniature T5-1/2 | 7CM |
4.2V | 600mA |
? Pentode | General-Purpose Amplifier |
| 4MK8A | 9-pin Miniature T6-1/2 | 9FG |
4.2V | 450mA |
Double Pentode | Sync Separator, Clipper, AGC Amplifier, Low-Level Color Demodulator |
| 4M-P12 | 7-pin Miniature T5-1/2 | |
4.7V | 600mA |
Power Pentode | Audio Output |
| 4R-HH2 | 9-pin Miniature T6-1/2 | 9AJ |
4.2V | 600mA |
Twin Medium-Mu Triode | VHF Cascode Amplifier |
| 4W20,000A | | |
10V | 25-30A |
Radial-Beam Power Tetrode | (water-cooled) |
| 4X150A * | Special 8-pin | |
6.0V | 2.6A |
Beam Power Tube | (forced-air cooled) |
| 4X150D * | Special 8-pin | |
26.5V | 580mA |
Beam Power Tube | (forced-air cooled) |
| 4X150G | | |
2.5V | 6.25A |
Radial-Beam Power Tetrode | |
| 4X250B | | |
6.0V | 2.1A |
Power Tetrode | |
| 4X250F | | |
26.5V | 500mA |
Radial-Beam Power Tetrode | |
| 4X500A | | |
5V | 12.2-13.7A |
Radial-Beam Power Tetrode | |
| 4X5000A | | |
7.5V | 75A |
Radial-Beam Power Tetrode | |
| 5A6 | 9-pin Miniature T6-1/2 | 9L |
5.0/2.5V | 230/460mA |
Beam Pentode | |
| 5AM8, 5AM8A | 9-pin Miniature T6-1/2 | 9CY |
4.7V | 600mA |
Diode and Sharp Cutoff Pentode | Video Detector and IF Amplifier |
| 5AN8 | 9-pin Miniature T6-1/2 | 9DA |
4.7V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | Osc./Sync Sep./Sync Clipper (T), IF/Video/AGC Amplifier (P) |
| 5AQ5 | 7-pin Miniature T5-1/2 | 7BZ |
4.7V | 600mA |
Beam Power Pentode | Audio Power Amplifier or Vertical Deflection Amplifier |
| 5AR4/GZ34 | Octal T-11 | 5DA |
5V | 1.9A |
Full-Wave Power Rectifier (H-K) | |
| 5AS4, 5AS4A | 5- or 8-pin Octal ST-16 | 5T |
5V | 3A |
Full-Wave Vacuum Rectifier | (See also 5U4GB/5AS4A) |
| 5AS8 | 9-pin Miniature T6-1/2 | 9DS |
4.7V | 600mA |
High Perveance Diode and Sharp Cutoff Pentode | Audio/Video Detector or DC Restorer (D) IF/ Video/AGC Amplifier (P) |
| 5AT8 | 9-pin Miniature T6-1/2 | 9DW |
4.7V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | VHF Oscillator and Mixer |
| 5AU4 | Octal T-12 | 5T |
5V | 3.75A |
Full-Wave Vacuum Rectifier | |
| 5AV8 | 9-pin Miniature T-6-1/2 | 9DZ |
4.7V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | ? |
| 5AW4 | 5-pin Octal T12 | 5T |
5V | 3.7A |
Full-Wave Vacuum Rectifier | |
| 5AX4GT | Octal T-9 | 5T |
5V | 2.5A |
Double Diode | |
| 5AZ4 | Loctal T-9 | 5T |
5V | 2A |
Full-Wave Vacuum Rectifier | |
| 5B8 | 9-pin Miniature T6-1/2 | 9EC |
4.7V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | |
| 5BC3, 5BC3A | Novar T-12 | 9QJ |
5V | 3A |
Full-Wave Power Rectifier (F) | |
| 5BE8 | 9-pin Miniature T6-1/2 | 9EG |
4.7V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | |
| 5BK7A, 5BK7B | 9-pin Miniature T6-1/2 | 9AJ |
4.7V | 600mA |
Twin Medium-Mu Triodes | VHF Cascode Amplifiers |
| 5BQ7/5BZ7 | 9-pin Miniature T6-1/2 | 9AJ |
5.6V | 450mA |
Twin Medium-Mu Triode | VHF Cascode Amplifier |
| 5BR8 | 9-pin Miniature T6-1/2 | 9FA |
4.7V | 600mA |
Triode and Pentode | |
| 5BS8 | 9-pin Miniature T6-1/2 | 9AJ |
5.6V | 450mA |
Medium-Mu Twin Triode | VHF Cascode Amplifier |
| 5BT8 | 9-pin Miniature T6-1/2 | 9FE |
4.7V | 600mA |
Double Diode and Sharp-Cutoff Pentode | AFC or Detector (D) IF/Video/AGC Amplifier (P) |
| 5BW8 | 9-pin Miniature T6-1/2 | 9HK |
4.7V | 600mA |
Twin Diode and Sharp-Cutoff Pentode | |
| 5C22 | | |
6.3V | 9.6-11.6A |
Hydrogen Thyratron | |
| 5CG8, 5CG8A | 9-pin Miniature T6-1/2 | 9GF |
4.7V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | VHF Oscillator and Mixer |
| 5CL8 * | 9-pin Miniature T6-1/2 | 9FX |
4.7V | 600mA |
Triode and Tetrode | VHF Oscillator/Mixer |
| 5CM6 | 9-pin Miniature T6-1/2 | 9CK |
4.7V | 600mA |
Beam Power Pentode | Audio Power Amplifier or Vertical Deflection Amplifier |
| 5CM8 | 9-pin Miniature T6-1/2 | 9FZ |
4.7V | 600mA |
High-Mu Triode and Sharp-Cutoff Pentode | General Purpose Amplifier (T) IF/Video/AGC Amplifier (P) |
| 5CQ8 | 9-pin Miniature T6-1/2 | 9GE |
4.7V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Tetrode | VHF Oscillator and Mixer |
| 5CR8 | 9-pin Miniature T6-1/2 | 9GJ |
4.7V | 600mA |
Triode and Pentode | |
| 5CU4 | 5-pin Octal T-12 | 8KD |
5.0V | 3.5A |
Full-Wave Rectifier (H-K) | |
| 5CZ5 | 9-pin Miniature T6-1/2 | 9HN |
4.7V | 600mA |
Beam Power Pentode | Audio Power or Vertical Deflection Amplifier |
| 5DH8 | 9-pin Miniature T6-1/2 | 9EG |
5.2V | 600mA |
High-Mu Triode and Sharp-Cutoff Pentode | |
| 5DJ4 | Octal T-12 | 8KS |
5V | 3A |
Full-Wave Power Rectifier (F) | |
| 5EA8 | 9-pin Miniature T6-1/2 | 9AE |
4.7V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | VHF Oscillator and Mixer or General-Purpose Amplifier |
| 5EH8 | 9-pin Miniature T6-1/2 | 9JG |
4.7V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | VHF Oscillator and Mixer |
| 5ES8 | 9-pin Miniature T6-1/2 | 9AJ |
5.6V | 450mA |
Semi-Remote-Cutoff Twin Triode | VHF Cascode Amplifier |
| 5EU8 | 9-pin Miniature T6-1/2 | 9JF |
4.7V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | Oscillator (T); Mixer (P) |
| 5EW6 | 7-pin Miniature T5-1/2 | 7CM |
5.6V | 450mA |
Sharp-Cutoff Pentode | IF Amplifier |
| 5FG7 | 9-pin Miniature T6-1/2 | 9GF |
4.7V | 600mA |
Medium-Mu Triode and Semi-Remote-Cutoff Pentode | VHF Oscillator and Mixer |
| 5FV8A/5BR8A/5CL8A
| 9-pin Miniature T6-1/2 | 9FA |
4.7V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | Vertical Deflection Oscillator (T) and IF/General Purpose Amplifier |
| 5GH8, 5GH8A | 9-pin Miniature T6-1/2 |
9AE | 4.7V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | VHF Oscillator and Mixer or General-Purpose Amplifier |
| 5GJ7 | 9-pin Miniature T6-1/2 | 9QA |
5.6V | 450mA |
Triode and Pentode | VHF Oscillator and Mixer |
| 5GM6 | 7-pin Miniature T5-1/2 | 7CM |
5.6V | 450mA |
Semi-Remote-Cutoff Pentode | IF Amplifier |
| 5GX6 | 7-pin Miniature T5-1/2 | 7EN |
4.7V | 600mA |
Sharp Cutoff Pentode | Gated AGC Amplifier and Noise Inverter or FM Detector |
| 5GX7 | 9-pin Miniature T6-1/2 | 9QA |
5.6V | 450mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | VHF Oscillator and Mixer |
| 5HB7 | 9-pin Miniature T6-1/2 | 9QA |
4.7V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | VHF Oscillator and Mixer |
| 5HC7 | 12-pin Compactron T-9 | 12FR |
5.6V | 450mA |
Dissimilar Dual Triode | Sync Clipper and AGC Amplifier |
| 5HG8/LCF86 | 9-pin Miniature T6-1/2 | 9MP |
5.3V | 450mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | VHF Oscillator and Mixer |
| 5HZ6 | 7-pin Miniature T5-1/2 | 7EN |
4.75V | 600mA |
Sharp-Cutoff Pentode | FM Detector |
| 5J6 * | 7-pin Miniature T5-1/2 | 7BF |
4.7V | 600mA |
Double Triode | High Frequency Oscillator, Amplifier or Mixer |
| 5J26 | | |
23.5V | 2.2A |
Magnetron | (forced-air cooled) |
| 5JK6 | 7-pin Miniature T5-1/2 | 7CM |
4.9V | 450mA |
Sharp-Cutoff Pentode | IF Amplifier |
| 5JL6 | 7-pin Miniature T5-1/2 | 7CM |
4.9V | 450mA |
Semi-Remote-Cutoff Pentode | AGC/IF Amplifier |
| 5KD8 | 9-pin Miniature T6-1/2 | 9AE |
5.6V | 450mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | Horizontal Oscillator and Reactance Tube or VHF Oscillator and Mixer |
| 5KE8 | 9-pin Miniature T6-1/2 | 9DC |
5.6V | 450mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | VHF Oscillator and Mixer |
| 5KZ8 * | 9-pin Miniature T6-1/2 | 9FZ |
4.7V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | VHF Oscillator and Mixer |
| 5LJ8 | 9-pin Miniature T6-1/2 | 9GF |
5.6V | 450mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | VHF Oscillator and Mixer |
| 5MB8 | 9-pin Miniature T6-1/2 | 9FA |
4.5V | 450mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | Burst Amplifier (P); Video Amplifier (T) |
| 5M-HH3 | 7-pin Miniature T5-1/2 | |
4.7V | 600mA |
Medium-Mu Twin Triode | VHF Oscillator and Mixer |
| 5M-K9 | 7-pin Miniature T5-1/2 | |
5.0V | 600mA |
Half-Wave Vacuum Rectifier | |
| 5MQ8 | 9-pin Miniature T6-1/2 | 9AE |
5.6V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | |
| 5R4GY, 5R4GYA, 5R4GYB | 5-pin Octal ST-16 |
5T | 5V | 2A |
Full-Wave Power Rectifier (F) | |
| 5R-K16 | 9-pin Miniature T6-1/2 | |
5.0V | 1.2A |
Full-Wave Vacuum Rectifier | |
| 5T4 | 5-pin Octal MT-10 | 5T |
5V | 2A |
Full-Wave High-Vacuum Rectifier | |
| 5T8, 5T8A | 9-pin Miniature T6-1/2 | 9E |
4.7V | 600mA |
Triple Diode and High-Mu Triode | Clamper or Detector; Voltage Amplifier |
| 5U4G, 5U4GB/5AS4A
| Octal T-12 | 5T |
5V | 3A |
Full-Wave Power Rectifier (F) | |
| 5U8 | 9-pin Miniature T6-1/2 | 9AE |
4.7V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | Horizontal Oscillator and Reactance Tube or VHF Oscillator and Mixer |
| 5U9/LCF201 | 10-pin Miniature T6-1/2 | 10K |
5.9V | 450mA |
Triode and Pentode | IF Amplifier (P); Sync Separator or Oscillator (T) |
| 5V3, 5V3A/5AU4 |
Octal T-12 | 5T | 5V | 3A |
FUll-Wave Power Rectifier (F) | |
| 5V4G, 5V4GA | Octal T-12 | 5L |
5V | 2A |
Full-Wave Power Rectifier (H-K) | |
| 5V6GT | 6- or 7-pin Octal T-9 | 7AC |
4.7V | 600mA |
Beam Power Pentode | Audio Power Amplifier or Vertical Deflection Amplifier |
| 5W4, 5W4G, 5W4GT | 5-pin Octal MT-8 or T-9 | 5T |
5V | 1.5A |
Full-Wave High-Vacuum Rectifier | |
| 5X4G | Octal ST-16 | 5Q |
5.0V | 3.0A |
Full-Wave High-Vacuum Rectifier | |
| 5X8, 5X8A | 9-pin Miniature T6-1/2 | 9AK |
4.7V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | VHF Oscillator and Mixer |
| 5X9 | 10-pin Miniature T6-1/2 | 10K |
5.9V | 450mA |
Triode and Pentode | Sound IF or Video Amplifier (P); Sync Separator, AGC Amplifier, or Sound IF (T) |
| 5Y3G, 5Y3GA, 5Y3GB, 5Y3GT | Octal T-9 | 5T |
5V | 2A |
Full-Wave Power Rectifier (F) | |
| 5Y4GA, 5Y4GT | Octal T-12 or T-9 | 5Q |
5V | 2A |
Full-Wave Power Rectifier (F) | |
| 5Z3 | 4-prong T-12 | 4C |
5V | 3A |
Full-Wave Power Rectifier (F) | |
| 5Z4 | 5-pin Octal MT-8 | 5L |
5V | 2A |
Full-Wave High-Vacuum Rectifier | |
| 6A3 | 4-prong ST-16 | 4D |
6.3V | 1.0A |
Triode Power Amplifier (F) | AF Power Output |
| RCA-6A4 | 5-prong ST-14 | |
6.3V | 300mA |
Power Amplifier Pentode | |
| RCA-6A6 | 7-prong ST-14 |
| 6.3V | 800mA |
Class B Twin Amplifier | |
| 6A7, 6A7S | 7-prong ST-12 | 7C |
6.3V | 300mA |
Pentagrid Converter | |
| 6A8, 6A8G, 6A8GT | Octal MT-8 (6A8), ST-12 (6A8G) or T-9 (6A8GT) |
8A | 6.3V | 300mA |
Pentagrid Converter | |
| 6AB4 | 7-pin Miniature T-5-1/2 | 5CE |
6.3V | 150mA |
High-Mu Triode | VHF Amp, converter or Osc. |
| 6AB5/6N5 | 6-prong T-9 | 6R |
6.3V | 150mA |
Electron-Ray Tube w/ Triode Unit | Indicator |
| 6AB7/1853 | Octal MT-8 | 8N |
6.3V | 450mA |
Television Amplifier Pentode | |
| 6AC5G, 6AC5GT | 6-pin Octal T-9 | 6Q |
6.3V | 400mA |
High-Mu Power Amplifier Triode | |
| 6AC7/1852 | Octal MT-8 | 8N |
6.3V | 450mA |
Television Amplifier Pentode | |
| 6AC9 | Compactron T-9 | 12GN |
6.3V | 600mA |
General Purpose Pentode, Double Diode | IF Amplifier, Phase Detector |
| 6AC10 | Compactron T-9 | 12FE |
6.3V | 600mA |
Medium Mu Triple Triode | Color Matrix Amplifier |
| 6AD6G | 7-pin Octal T-9 | 7AG |
6.3V | 150mA |
Electron-Ray Tube | Twin Indicator Type |
| 6AD7G | Octal ST-14 | 8AY |
6.3V | 850mA |
Triode and Power Amplifier Pentode | |
| 6AD10A | Compactron T-9 | 12EZ |
6.3V | 1.05A |
Beam Pentode / Sharp Cutoff Pentode | Audio Power Amplifier, FM Detector in Color TV |
| 6AE5G, 6AE5GT | 6-pin Octal T-9 | 6Q |
6.3V | 300mA |
Amplifier Triode | |
| 6AE6G | 7-pin Octal ST-12 | 7AH |
6.3V | 150mA |
Sharp- and Remote-Cutoff Triode | Twin-Plate Control Tube |
| 6AE7GT | Octal T-9 | 7AX |
6.3V | 500mA |
Twin-input Triode Amplifier | (separate cathodes and grids, one plate) |
| 6AF3 | 9-pin Miniature T6-1/2 | 9CB |
6.3V | 1.2A |
Diode (H-K) | Damper |
| 6AF4, 6AF4A | 7-pin Miniature T5-1/2 | 7DK |
6.3V | 225mA |
UHF Oscillator Triode | |
| 6AF5G | 6-pin Octal ST-12 | |
6.3V | 300mA |
Triode | |
| 6AF6G | 7-pin Octal T-9 | 7AG |
6.3V | 150mA |
Electron-Ray Tube | Twin-Indicator Type |
| 6AF9 | 10-pin Miniature T6-1/2 | 10L |
6.3V | 850mA |
Dual Pentode | Video Output Amplifier, Sound IF, AGC Amplifier, Sync Separator |
| 6AF11 | 12-pin Compactron T-9 | 12DP |
6.3V | 1.05A |
High-mu Triode, Medium-Mu Triode, Sharp Cutoff Pentode | AGC Keyer, Sync Separator, Video Amplifier |
| 6AG5 | 7-pin Miniature T5-1/2 | 7BD |
6.3V | 300mA |
RF Amplifier Pentode | |
| 6AG6G | Octal | |
6.3V | 1.2A |
High Slope Output Pentode | |
| 6AG7 | Octal MT-8 | 8Y |
6.3V | 650mA |
Power Pentode | |
| 6AG9 | 12-pin Compactron T-9 | 12HE |
6.3V | 820mA |
Triode and Frame Grid Pentode | AGC Amplifier and Video Amplifier in Color TV |
| 6AG11 | 12-pin Compactron T-9 | 12DA |
6.3V | 750mA |
Double Diode, Twin Triode | FM Stereo Multiplexer |
| 6AH4GT | 6-pin Octal T-9 | 8EL |
6.3V | 750mA |
Medium-Mu Triode | |
| 6AH6, 6AH6WA | 7-pin Miniature T5-1/2 | 7BK |
6.3V | 450mA |
Sharp Cutoff Pentode | RF/IF Amplifier in Color TV |
| 6AH9 | 12-pin Compactron T-9 | 12HJ |
6.3V | 900mA |
Medium Mu Triode / Sharp Cutoff Frame Grid Pentode | Video Amplifier and Color Blanker in Color TV |
| 6AJ5 | 7-pin Miniature T5-1/2 | 7BD |
6.3V | 175mA |
Sharp-Cutoff Pentode | |
| 6AJ8 | 9-pin Miniature T6-1/2 | |
6.3V | 300mA |
Triode and Heptode | |
| 6AK4 | 8-lead Subminiature T-3 | 8DK |
6.3V | 150mA |
Medium-Mu UHF Triode | |
| 6AK5/EF95, 6AK5W/5654 | 7-pin Miniature T5-1/2 | 7BD |
6.3V | 175mA |
Sharp-Cutoff Pentode | RF Amplifier |
| 6AK6, 6AK6S | 7-pin Miniature T5-1/2 | 7BK |
6.3V | 150mA |
Power Amplifier Pentode | |
| 6AK9 | 12-pin Compactron T-12 | 12GZ |
6.3V | 1.6A |
Dissimilar-Double Triode and Pentode | |
| 6AK10 | 12-pin Compactron T-9 | 12FE |
6.3V | 900mA |
Triple Triode | Color Difference Amplifier |
| 6AL3/EY88, 6AL5W/5726 | 9-pin Miniature T6-1/2 | 9CB |
6.3V | 1.55A |
Diode (H-K) | Damper |
| 6AL5 | 7-pin Miniature T5-1/2 | 6BT |
6.3V | 300mA |
High Perveance Twin Diode | FM or TV Detector |
| 6AL7GT | Octal T-9 | 8CH |
6.3V | 150mA |
Electron-Ray Tube | Indicator |
| 6AL9 | 12-Pin Compactron T-9 | 12HE |
6.3V | 820mA |
High Mu Triode and Sharp Cutoff Pentode | General Purpose Amplifier (T) and Video Amplifier (P) |
| 6AL11 | 12-pin Compactron T-9 | 12BU |
6.3V | 900mA |
Beam Power Pentode and Sharp-Cutoff Pentode | FM Detector and AF Output Amplifier |
| 6AM4 | 9-pin Miniature T6-1/2 | 9BX |
6.3V | 225mA |
High-Mu Triode | UHF Service |
| 6AM5 | 7-pin Miniature T5-1/2 | |
6.3V | 200mA |
Power Amplifier Pentode | |
| 6AM6 | 7-pin Miniature T5-1/2 | |
6.3V | 300mA |
RF Pentode | |
| 6AM8, 6AM8A | 9-pin Miniature T6-1/2 | 9CY |
6.3V | 450mA |
Diode and Sharp Cutoff Pentode | Video Detector and IF Amplifier |
| 6AN4 | 7-pin Miniature T5-1/2 | 7DK |
6.3V | 225mA |
High Mu Triode | UHF Mixer or Amplifier |
| 6AN5, 6AN5WA | 7-pin Miniature T5-1/2 | 7BD |
6.3V | 450mA |
Beam Pentode | Video Amplifier |
| 6AN6 | 7-pin Miniature T5-1/2 | |
6.3V | 200mA |
Quadruple Diode | (single cathode) |
| 6AN7A | 9-pin Miniature T6-1/2 | |
6.3V | 300mA |
Triode-Hexode | Frequency Converter (single cathode) |
| 6AN8, 6AN8A | 9-pin Miniature T6-1/2 | 9DA |
6.3V | 450mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | Osc./Sync Sep./Sync Clipper (T), IF/Video/AGC Amplifier (P) |
| 6AQ5/6HG5 | 7-pin Miniature T5-1/2 | 7BZ |
6.3V | 450mA |
Beam Power Pentode | Audio Power Amplifier or Vertical Deflection Amplifier |
| 6AQ6 | 7-pin Miniature T5-1/2 | 7BT |
6.3V | 150mA |
Double Diode and Hi-Mu Triode | AF Amplifier and Detector |
| 6AQ7GT | Octal T-9 | 8CK |
6.3V | 300mA |
Twin Diode and High-Mu Triode | |
| 6AQ8/ECC85 | 9-pin Miniature T6-1/2 | 9AJ |
6.3V | 435mA |
Hi-Mu Twin Triode | RF Amplifier and Mixer |
| 6AR5 | 7-pin Miniature T5-1/2 | 6CC |
6.3V | 400mA |
Power Pentode | |
| 6AR6, 6AR6WA/6098 | 6-pin Octal T-11 |
6BQ | 6.3V | 1.2A |
Beam Pentode | |
| 6AR7GT | Octal T-9 | |
6.3V | 300mA |
Duo-Diode and Remote-Cutoff Pentode | |
| 6AR8 | 9-pin Miniature T6-1/2 | 9DP |
6.3V | 300mA |
Sheet-Beam Tube | Synchronous Detector and Burst Gate |
| 6AR11 | Compactron T-9 | 12DM |
6.3V | 800mA |
Semi-Remote-Cutoff Twin Pentode | IF Amplifier |
| 6AS5 | 7-pin Miniature T5-1/2 | 7CV |
6.3V | 800mA |
Beam Pentode | Audio Power Amplifier |
| 6AS6, 6AS6W | 7-pin Miniature T5-1/2 | 7CM |
6.3V | 175mA |
Sharp-Cutoff Pentode | |
| 6AS7G, 6AS7GA | Octal ST-16 | 8BD |
6.3V | 2.5A |
Low-Mu Twin Power Triode | |
| 6AS8 | 9-pin Miniature T6-1/2 | 9DS |
6.3V | 450mA |
High Perveance Diode and Sharp Cutoff Pentode | Audio/Video Detector or DC Restorer (D) IF/ Video/AGC Amplifier (P) |
| 6AS11 | 12-pin Compactron T-9 | 12DP |
6.3V | 1.05A |
Medium-Mu Triode, High-Mu Triode and Sharp-Cutoff Pentode | AF/IF Amplifier (1T), Sync Separator (2T), Video Amplifier
(P) |
| 6AT6/EBC90 | 7-pin Miniature T5-1/2 | 7BT |
6.3V | 300mA |
Double Diode and High-Mu Triode | AF Amplifier and Detector |
| 6AT8, 6AT8A | 9-pin Miniature T6-1/2 |
9DW | 6.3V | 450mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | VHF Oscillator and Mixer |
| 6AU4GT, 6AU4GTA | Octal T-9 | 4CG |
6.3V | 1.8A |
Diode (H-K) | Damper |
| 6AU5GT | 6-pin Octal T-9 | 6CK |
6.3V | 1.25A |
Beam Power Tube | |
| 6AU6/EF94, 6AU6A, 6AU6WA, 6AU6WB |
7-pin Miniature T5-1/2 | 7BK | 6.3V | 300mA |
Sharp-Cutoff Pentode | RF Amplifier |
| 6AU7 | 9-pin Miniature T6-1/2 | 9A |
6.3/3.15V | 300/600mA |
Medium-Mu Twin Triode | |
| 6AU8, 6AU8A | 9-pin Miniature T6-1/2 |
9DX | 6.3V | 600mA |
Medium-Mu Triod and Sharp-Cutoff Pentode | Sync Separator (T) and Video Amplifier |
| 6AV5GA, 6AV5GT | Octal T-11 or T-12 | 6CK |
6.3V | 1.2A |
Beam Power Pentode | Horizontal Deflection Amplifier |
| 6AV6 | 7-pin Miniature T5-1/2 | 7BT |
6.3V | 300mA |
Double Diode and High-Mu Triode | Detector and AF Amplifier |
| 6AV11 | 12-pin Compactron T-9 | 12BY |
6.3V | 600mA |
Triple Medium-Mu Triode | Amplifier, Phase Inverter, or Oscillator |
| 6AW8, 6AW8A | 9-pin Miniature T6-1/2 |
9DX | 6.3V | 600mA |
High-Mu Triode and Sharp-Cutoff Pentode | Sync Separator (T), Video Amplifier (P) |
| 6AX3 | 12-pin Compactron T-9 | 12FX |
6.3V | 1.2A |
Diode (H-K) | Damper |
| 6AX4GT, 6AX4GTA, 6AX4GTB |
5-pin Octal T-9 | 4CG | 6.3V | 1.2A |
Diode (H-K) | Damper |
| 6AX5GT | 6-pin Octal T-9 | 6S |
6.3V | 1.2A |
Full Wave Power Rectifier (H-K) | |
| 6AX6G | 7-pin Octal ST-14 | 7D |
6.3V | 2.5A |
Double Diode | Damper or Full-Wave Rectifier |
| 6AX7 | 9-pin Miniature T6-1/2 | 9A |
6.3/3.15V | 300/600mA |
Double High-Mu Triode | AF Amplifier or Phase Inverter |
| 6AX8 | 9-pin Miniature T6-1/2 | |
6.3V | 450mA |
Triode and Pentode | Sync Separator and Video Amplifier |
| 6AY3, 6AY3A, 6AY3B | 9-pin Novar T-9 |
9HP | 6.3V | 1.2A |
Diode (H-K) | Damper |
| 6AY11 | 12-pin Compactron T-9 | 12DA |
6.3V | 690mA |
Double Diode and Double High-Mu Triode | FM Detector and AF Amplifier |
| 6AZ5 | 8-lead Subminiature T-3 | 8DF |
6.3V | 150mA |
Double Diode | Detector |
| 6AZ8 | 9-pin Miniature T6-1/2 | 9ED |
6.3V | 450mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | Sync Separator/Clipper (T) IF/Video/AGC Amplifier (P) |
| 6B4G | Octal ST-16 | 5S |
6.3V | 1.0A |
Power Amplifier Triode | |
| 6B5 | 6-prong | 6AS |
6.3V | 800mA |
Direct-Coupled Power Amplifier | |
| 6B6G | 7-pin Octal ST-12 | |
6.3V | 300mA |
Duo-Diode and High-Mu Triode | |
| 6B7 | 7-prong ST-12 | |
6.3V | 300mA |
Duplex-Diode and Pentode | |
| 6B8, 6B8G, 6B8GT, 6B8P |
Octal MT-8 (6B8) or ST-12 (6B8G) | 8E | 6.3V | 300mA |
Duplex-Diode and Pentode | |
| 6B10 | 12-pin Compactron T-9 | 12BF |
6.3V | 600mA |
Double Diode and Medium-Mu Twin Triode | Horizontal Phase Detector (D) Horizontal Oscillator (T) |
| 6BA3 | 9-pin Novar T-9 | 9HP |
6.3V | 1.2A |
Diode (H-K) | Damper |
| 6BA4 | | |
6.3V | 375-425mA |
UHF Planar Triode | |
| 6BA5 | 8-lead Subminiature T-3 | 8DY |
6.3V | 150mA |
Pentode | |
| 6BA6(RCA), 6BA6(GE)/EF93,
6BA6W/5749 |
7-pin Miniature T5-1/2 | 7BK (RCA), 7CC (GE) | 6.3V | 300mA |
Semi-Remote-Cutoff Pentode | RF/IF Amplifier |
| 6BA7 | 9-pin Miniature T6-1/2 | 8CT |
6.3V | 300mA |
Pentagrid Converter | |
| 6BA8, 6BA8A | 9-pin Miniature T6-1/2 | 9DX |
6.3V | 600mA |
Medium Mu Triode and Sharp Cutoff Pentode | Sync Separator/Clipper (T) Video Amplifier (P) |
| 6BA11 | 12-pin Compactron T-9 | 12ER |
6.3V | 600mA |
Medium-Mu Triode and Twin Pentode | Vertical Deflection Oscillator (T) Sync/AGC Amplifier (P) |
| 6BC4 | 9-pin Miniature T6-1/2 | 9DR |
6.3V | 225mA |
Medium-Mu Triode | RF Amplifier |
| 6BC5 | 7-pin Miniature T5-1/2 | 7BD |
6.3V | 300mA |
Sharp-Cutoff Pentode | |
| 6BC7 | 9-pin Miniature T6-1/2 | 9AX |
6.3V | 450mA |
Triple Diode (H-K) | DC Restorer or FM Discriminator or AM Detector |
| 6BC8/6BZ8 | 9-pin Miniature T6-1/2 | 9AJ |
6.3V | 400mA |
Medium-Mu, Semiremote-Cutoff Twin Triode | VHF Cascode Amplifier |
| 6BD4, 6BD4A | 6-pin Octal T-12 | 8FU |
6.3V | 500mA |
High Voltage Regulator | |
| 6BD5GT | 6-pin Octal T-9 | 6CX |
6.3V | 900mA |
Beam Pentode | Horizontal Deflection Amplifier |
| 6BD6 | 7-pin Miniature T5-1/2 | 7BK |
6.3V | 300mA |
Remote-Cutoff Pentode | RF/IF Amplifier |
| 6BD11 | 12-pin Compactron T-9 | 12DP |
6.3V | 1.05A |
High-Mu Triode, Medium-Mu Triode and Sharp-Cutoff Pentode | General-Purpose Amplifier (T), Sync Separator (T), Video
Amplifier |
| 6BE3/6BZ3, 6BE3A | 12-pin Compactron T-9 | 12GA |
6.3V | 1.2A |
Diode (H-K) | Damper |
| 6BE6 * | 7-pin Miniature T5-1/2 | 7CH |
6.3V | 300mA |
Heptode | AM-FM Pentagrid Converter |
| 6BE8 | 9-pin Miniature T6-1/2 | 9EG |
6.3V | 450mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | |
| 6BF5 | 7-pin Miniature T5-1/2 | 7BZ |
6.3V | 1.2A |
Beam Power Amplifier | |
| 6BF6 | 7-pin Miniature T5-1/2 | 7BT |
6.3V | 300mA |
Twin Diode and Medium-Mu Triode | |
| 6BF7 | 8-lead Subminiature T-3 | 8DG |
6.3V | 300mA |
Double Triode | |
| 6BF11 | 12-pin Compactron T-9 | 12EZ |
6.3V | 1.2A |
Beam Pentode and Sharp Cutoff Pentode | Audio Power Amplifier and FM Detector |
| 6BG6, 6BG6GA | 6-pin Octal ST-16 (6BG6) or
T-12 (6BG6GA) | 5BT | 6.3V | 900mA |
Beam Power Tube | |
| 6BH3, 6BH3A | 9-pin Novar T-9 | 9HP |
6.3V | 1.6A |
Diode (H-K) | Damper |
| 6BH6 | 7-pin Miniature T5-1/2 | 7CM |
6.3V | 150mA |
Sharp-Cutoff Pentode | RF Amplifier |
| 6BH8 | 9-pin Miniature T6-1/2 | 9DX |
6.3V | 600mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | Sync Separator/Clipper/Amplifier or Sweep Oscillator (T) Video
Amplifier |
| 6BH11 | 12-pin Compactron T-9 | 12FP |
6.3V | 800mA |
Twin Triode and Sharp-Cutoff Pentode | |
| 6BJ3 | 12-pin Compactron T-9 | 12BL |
6.3V | 1.2A |
Half-Wave Vacuum Rectifier (H-K) | Damper |
| 6BJ6, 6BJ6A | 7-pin Miniature T5-1/2 | 7CM |
6.3V | 150mA |
Remote-Cutoff Pentode | RF/IF Amplifier |
| 6BJ7 | 9-pin Miniature T6-1/2 | 9AX |
6.3V | 450mA |
Triple Diode | DC Restorer in Color TV |
| 6BJ8 | 9-pin Miniature T6-1/2 | 9ER |
6.3V | 600mA |
Double Diode and Medium-Mu Triode | Phase Splitter/Comparator, Vertical Deflection Amplifier |
| 6BK4, 6BK4A, 6BK4B, 6BK4C/6EL4A |
Octal T-12 | 8MW | 6.3V | 200mA |
Sharp Cutoff Beam Pentode | Shunt Regulator |
| 6BK5 * | 9-pin Miniature T6-1/2 | 9BQ |
6.3V | 1.2A |
Beam Power Pentode | |
| 6BK6 | 7-pin Miniature T5-1/2 | 7BT |
6.3V | 300mA |
Double-Diode Triode | (single cathode) |
| 6BK7, 6BK7A, 6BK7B | 9-pin Miniature T6-1/2 | 9AJ |
6.3V | 450mA |
Twin Medium-Mu Triodes | VHF Cascode Amplifiers |
| 6BL4 | Octal T-12 | 8GB |
6.3V | 3A |
Half-Wave Rectifier | Damper |
| 6BL6 | 4-pin | |
6.3V | 750mA |
Reflex Klystron | |
| 6BL7GT, 6BL7GTA | Octal T-9 | 8BD |
6.3V | 1.5A |
Twin Triode | Vertical Deflection Oscillator and Amplifier |
| 6BL8/ECF80 | 9-pin Miniature T6-1/2 | 9DC |
6.3V | 430mA |
Medium-Mu Triode and Sharp-Cutoff Pentode | VHF Oscillator and Mixer |
| 6BM6, 6BM6A | 4-pin | |
6.3V | 650mA |
Reflex Klystron | |
| 6BM8/ECL82 | 9-pin Miniature T6-1/2 | 9EX |
6.3V | 780mA |
Triode and Power Pentode | AF Amplifier or Oscillator and Audio Power Amplifier |
| 6BN4 *, 6BN4A |
7-pin Miniature T5-1/2 | 7EG | 6.3V | 200mA |
Medium-Mu Triode | VHF Amplifier |
| 6BN6/6KS6 | 7-pin Miniature T5-1/2 | 7DF |
6.3V | 300mA |
Pentode | Gated Beam Discriminator in TV |
| 6BN7 | 9-pin Miniature T6-1/2 | |
6.3V | 750mA |
Double Triode | Vertical Deflection Oscillator and Amplifier |
| 6BN8 * | 9-pin Miniature T6-1/2 | 9ER |
6.3V | 600mA |
Double Diode and High-Mu Triode | Phase/Ratio Detector or Discriminator, AF/Burst Amplifier or Oscillator |
| 6BN11 | 12-pin Compactron T-9 | 12GF |
6.3V | 800mA |
Double Sharp Cutoff Pentode | IF Amplifier |
| 6BQ5/EL84 | 9-pin Miniature T6-1/2 | 9CV |
6.3V | 760mA |
Beam Pentode | Audio Power Amplifier |
| 6BQ6G, 6BQ6GA, 6BQ6GT, 6BQ6GTB/6CU6 | Octal T-9 | 6AM |
6.3V | 1.2A |
Beam Power Pentode | Horizontal Deflection Amplifier |
| 6BQ7/6BZ7, |
