[sdiy] My newest pet peeve

rsdio at audiobanshee.com rsdio at audiobanshee.com
Sun Jul 29 22:27:35 CEST 2018


That’s a bad symbol.

You do need a different symbol, but the new one should avoid pin numbers so that it can be universal.

I’ve seen too much of this in the public Eagle libraries, and I usually fix it (unless it’s a single-source processor that’s has no equivalent anyway).

Brian


On Jul 29, 2018, at 12:20 PM, Pete Hartman <pete.hartman at gmail.com> wrote:
> The symbol assigns pin numbers.  Depending on whether it's BEC or CEB or BCE or whatever order, pin 1 might be any of the three.  On a specific package, it's not variable.
> 
> On Sun, Jul 29, 2018 at 2:05 PM, Ingo Debus <igg.debus at gmail.com> wrote:
> 
> > Am 29.07.2018 um 01:30 schrieb Pete Hartman <pete.hartman at gmail.com>:
> > 
> > I was not happy when I found out that SMT 2N390X transistors had a different pinout, and therefore required a different symbol in the schematic, than their through hole equivalents :-D  
> 
> But 3 pins on either version? Why do you need a different symbol then?
> 
> Ingo





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