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x0x:transistors [2007/08/16 03:31] ladyada created |
x0x:transistors [2016/01/28 18:05] |
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- | I beta-tested a bunch of 2SC2291's since it seems like their time on this earth is very close to the end. | ||
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- | These were all tested with Ice = 1mA and Vce = ~10V. It's not a precision setup but it is consistent. | ||
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- | ^ 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 | | ||
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- | NEC #1 66G 495 495 1 | ||
- | 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 | ||
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- | HKSS #1 76G 504 504 | ||
- | HKSS #2 76G 600 604 | ||
- | HKSS #3 76G 566 566 | ||
- | HKSS #4 76G 531 531 | ||