This is an old revision of the document!
I beta-tested a bunch of 2SC2291's since it seems like their time on this earth is very close to the end.
These were all tested with Ice = 1mA and Vce = ~10V. It's not a precision setup but it is consistent.
Transistor "name" | Beta 1 | Beta 2 | Matching |
---|---|---|---|
NTE44 #1 | 513 | 500 | 1.03 |
NTE44 #2 | 520 | 528 | 0.98 |
NTE44 #3 | 365 | 373 | 0.98 |
NTE44 #4 | 493 | 496 | 0.99 |
NTE44 #5 | 445 | 463 | 0.96 |
NTE44 #6 | 476 | 483 | 0.99 |
NEC #2 66G 482 483 1 NEC #3 66G 453 461 0.98 NEC #4 66G 545 551 0.99 NEC #5 66G 510 522 0.98 NEC #6 05F (whitespot) 289 289 1 NEC #7 05F (whitespot) 288 288 1
HKSS #1 76G 504 504 HKSS #2 76G 600 604 HKSS #3 76G 566 566 HKSS #4 76G 531 531