and what is rule #2 ?  :}

personally, i oscillate between liking the 1 2 3 convention
and the E B C convention

like many things 'it's all bad'

i once had some T1 3/4 LEDs from HP
the short leg was the anode for that *particular* p/n
which is why they weren't very bright when installed

Dennis Saputelli

Mira wrote:
> 
> Hi Dom,
> 
> The basic numbering is
> 
>  3
> 1 2
> 
> However many other variants of the pinout exist out
> there.
> 
> Rule 1: Always check the datasheet.
> 
> Mira
> 
> --- Dom Bragge <[EMAIL PROTECTED]> wrote:
> > When you organise your footprints, what pinout do
> > you use for SOT-23's?
> >
> > Do you organise the pins...
> >  -like shown in the attachment?
> >  -or with pins 2&3 reversed?
> >
> > The bigger question really is: Where do you derive
> > your pin numbering
> > guidance from?
> >
> > I find that some datasheets just show the pin names
> > against the actual
> > pins (& cutout the middleman of *numbers*) thus
> > avoiding the issue
> > altogether. This doesn't help those of us who want
> > to be able to use a
> > common footprint across multiple designs.
> >
> > One answer is "define your own company standard",
> > but if I chose
> > against an industry standard, that'd be a bit silly
> > wouldn't it.
> >
> > =====
> > Dom Bragge CID
> > Snr PCB Designer
> > Sydney, Australia
> >  ( 99SE sp6 )
> >
> > Find local movie times and trailers on Yahoo!
> > Movies.
> > http://au.movies.yahoo.com
> >

-- 
_______________________________________________________________________
Integrated Controls, Inc.           Tel: 415-647-0480  EXT 107 
2851 21st Street                    Fax: 415-647-3003
San Francisco, CA 94110             www.integratedcontrolsinc.com




* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* To post a message: mailto:[EMAIL PROTECTED]
*
* To leave this list visit:
* http://www.techservinc.com/protelusers/leave.html
*
* Contact the list manager:
* mailto:[EMAIL PROTECTED]
*
* Forum Guidelines Rules:
* http://www.techservinc.com/protelusers/forumrules.html
*
* Browse or Search previous postings:
* http://www.mail-archive.com/[EMAIL PROTECTED]
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

Reply via email to