[Boatanchors] Germanium semiconductors from PP-3929A/FLR-9(V) Power Supply

Steve Byan stevebyan at mac.com
Sun Jan 21 12:12:09 EST 2007


I'm converting a PP-3929A/FLR-9(V) Power Supply to another use, so  
I'm parting out the semiconductors and the power connector. Here's  
what I've got:

qty 7 of 2N1358 (PNP power in TO-36 package. 5 Motorola and 2 Delco)
qty 3 of 2N297A (PNP power in TO-3 package. 2 Motorola and 1 "JAN  
CDBS", whoever that is.)
qty 4 of 1N1202 (rectifier diode in stud-mount package. Westinghouse  
manufacture.)
qty 1 of assy 2470155 (control electronics on plug-in circuit board.  
Contains ten 2N1305 PNP alloy transistors, TI mfg.)
qty 1 of 8-pin MIL circular connector, female panel mount receptacle.  
Burndy MS3124

I've ohmed-out the junctions on the transistors and they test good.  
I've no easy way to measure leakage and gain.

I've no way to test the plug-in circuit board.

NTE equivalent for the 2N1358 are $25 each at Mouser.
NTE equivalent for the 2N297A are $16 each at Mouser.
NTE equivalent for the 1N1202 are $10 each at Mouser.
NTE equivalent for the 2N1305 are $4 each at Mouser.

If you're interested in any of the above, make me an offer.


BTW, anyone know what these power supplies were used for in the FLR-9  
system? I haven't found them in the FLR-9 manuals that I've been able  
to obtain (some are still classified).

Regards,
-Steve

-- 
Steve Byan <stevebyan at mac.com>
Littleton, MA 01460




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