Are there any manufacturer logos on it? Could be a 2SD140 or 2SD1406.
Are there any manufacturer logos on it? Could be a 2SD140 or 2SD1406.
D140 G (or 6). There a ".T" marking on it too. I've done several searches but can find a datasheet (or pinout) for this transistor. I have a few of these in the junk box and they could come in usful if I knew what they were! thanks
The only other markings on them are a letter "Y" and "GE"!
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Hi dave, Tom Y marking shows hfe rank.
2SD140 is too old to get info. I think this was not generic use product, but special use only for JVC. 2SD1406 is NPN audio freq. power Tr, discontinued product made by TOSHIBA. Substitute product of TOSHIBA is 2SD2531. Datasheet is here.This site is very good. (written in JAPANESE) Site owner says there is no guarantee that they are correct.
Good luck, dohi from Tokyo
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