Transisters in schematics

Christian Hofmann chris at scp.de
Thu Sep 7 18:14:33 CEST 2000


On Thu, 7 Sep 2000 10:39:43 -0500
"Gerry Dahl" <gerryd at ntx-tech.com> wrote:

> Hi Everyone,
> I've been haveing trouble with Transisters in schematics. I have provided a
> picture
> of an NPN and a PNP transister with what I believe to be the correct pin
> assignment. Please correct me if I am wrong. Also which is which, is the 
> arrow pointing in a PNP or NPN?


Hi Gerry,
although I tend to confuse them once in a while, I think this is correct:

PNP = arrow in
NPN = arrow out

AND: arrow pin is _always_ emitter (that's wrong on the left one in the
JPG)

regards
Christian



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