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What is meant by VCES in a transistor electrical specification?

I am studying the STMicroelectronic BUL216 NPN power transistor. Electrical specification like VCES is given by the Specification Sheet BUL216 Datasheet. Also, the VCEO spec. Both spec has to do with ...
0
votes
2answers
415 views

what are the specs of a transistor that can't be find on internet?

It is part of a switching-mode power supply for a PC. There is a number: 1035 and a logo above this number, that seems to be a capital D. I am trying to find a replacement but it is not as easy as it ...
11
votes
3answers
7k views

Why would I use 2N3904 instead of 2N4401?

2N3904 and 2N4401 appear to be very comparable parts in all specs. 2N4401 has a higher current rating, but otherwise they look to be about the same in price and everything else. Obviously it's ...
5
votes
1answer
215 views

Understanding specs of PNP transistor for replacement

I want to replace an ON Semicondutor BC557 PNP transistor with a Multicomp BC557 PNP transistor. It is just for general switching of LEDs. But the specs look different although they are same mode. ...