Re: gEDA-user: Hi.... first post

[John Griessen <john-atMUNGEDecosensory_dot_com>]

C P Tarun wrote:
> What is the general opinion about keeping symbol pin numbers for
> transistors as "B", "C" and "E"? Isn't this better?

No, just different.

It sure sounds logical to use B,C,E,S,G,D as pin numbers in netlists, but the
usual product datasheets use a package drawing with numbers for position
and names like B,C,E,S,G,D as pin names.  Some datasheets from long ago use only letters
and a drawing.

I think having numbers for position and letters for names is simplifying
for getting the info from the datasheets.  How would you resolve confusion if
a datasheet suggested pin numbers?  They often do.

I use a part that has a NPN and a PNP in one package.  Six leads, six position numbers,
2 C's, 2 B's, 2 E's.   How would you deal with that?

John Griessen


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