10 Nov
2025
10 Nov
'25
11:24 a.m.
Would an 2n5771 (or mmbt5771 SMT) work? They are fast, used in old
frequency counters, and cheap on eBay.
Bob
On 11/10/2025 10:10 AM, Tom Hunter wrote:
The PN2369 is very different from the PN3639 or
2N3639 we are trying
to find.
Tom
On Tue, 11 Nov 2025, 1:31 am Bob Rosenbloom via cctalk,
<cctalk(a)classiccmp.org> wrote:
On 11/10/2025 12:22 AM, Christian Corti via cctalk wrote:
--
Vintage computers and electronics
www.dvq.com
www.tekmuseum.com
www.decmuseum.org
On Sat, 8 Nov 2025, Tom Hunter wrote:
It's not too hard to find the plastic versions of the 2N2369, the
PN2369.
Mouser has them and so does electronic Goldmine.
Bob
--
Vintage computers and electronics
www.dvq.com <http://www.dvq.com>
www.tekmuseum.com <http://www.tekmuseum.com>
www.decmuseum.org <http://www.decmuseum.org>
I got hold of some MPSH81. Unfortunately they are
not a suitable
substitute
for a 2N3639 or 2N3640.
[...]