Germanium transistor testing

[rocket88]

ok, finally had a chance to take some pictures of the GT series transistors i've got so everyone can get an idea of the gain ranges and numbers.

all low leakage PNP's, <300uA, with the exception of the GT404's which are NPN and very leaky, some even over 1000uA.

i have not tried the GT109E's, but with some having such high gains, and leakages <300uA, they may be a good replacement for the oracle's OC76's which were 112hfe - Q1, and 304hfe-Q2. also, they are teeny-tiny, like smaller then a tic-tac.

GT108G


GT109G



1GT308V - Military GT308V


GT308V


GT309B


GT309E


GT402V



GT404G - Very Leaky



GT404V - Very Leaky

[iggy]

wow, great bit of shopping Rockett. Safe to say we know who is heading up research on the GE DeathStar.

oops, or was that supposed to be classified.
 

[rocket88]

hey, i thought that was my role for the deathstar. i mean i also got the magical klon diodes too. but in all seriousness it's been over the past 3-4 months that i've collected all of these, i might do one more order before russia starts ww3 to ensure i have what i need, and there are a few others that i want to try, like MP16's and MP21's.