Testing H7864 (MicroVAX II) PSU With No Load

tony duell ard at p850ug1.demon.co.uk
Sun Nov 1 14:00:43 CST 2015

[Chopper transistor]

> This one is a D905.

I assume that's a 2SD905 (the '2S' is often left off the package). From the data
I've seen that certainly could be used as a chopper transistor.


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