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Dec 23, 2018 at 17:55 comment added Spehro 'speff' Pefhany @G36. Yes, there are three common TO-92 pinouts. American (EBC) eg. 2N3904, European (CBE) eg. BC547 and Japanese (ECB) eg. 2SC1815. You can find parts like 8050 in more than one TO-92 pinout, just to keep you on your toes. Fortunately almost all SOT-23 BJT pinouts are the same.
Dec 23, 2018 at 17:46 comment added G36 But the USA BJT's ( PN2222A ) will have a different pinout.
Dec 23, 2018 at 16:57 comment added Spehro 'speff' Pefhany The Chinese often will take part numbers that point to a particular package and cavalierly re-use the part number for a different (more popular) package. I have reels of so-called 1N4004, 1N5819 diodes in surface mount packages, for example. When western companies re-used the part number for the hermetic 2N2222 for example, it was usually called something like PN2222 in TO-92, and the TO-92 2N3904, for example, became MMBT3904 in SOT-23. But that example has not been followed.
Dec 23, 2018 at 16:53 vote accept 4pie0
Dec 23, 2018 at 16:51 comment added 4pie0 Yes, we've already fond I used wrong datasheet. Actually I can't find a datasheet for this supposedly "BC107/PH10440 PHILIPS (TO-92) PLASTIC NPN" and I think I will just put it on the shelf and get back to learning transistors using one I am more sure about.
Dec 23, 2018 at 16:48 history answered Spehro 'speff' Pefhany CC BY-SA 4.0