piclist 2008\07\20\003905a >
Thread: SMT footprints
www.piclist.com/techref/pcbs.htm?key=smt
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face BY : Tony Smith email (remove spam text)



> Ideally, I want to create some "universal" footprints for
> PCBs that would allow any of several different sized
> component to be mounted, for flexibility of component choice.
>  I can certainly make SMTs big enough for a 1206 part that
> are close enough together for a 0603 part, and I'm pretty
> sure it will work OK for hand assembly, but I don't want to
> preclude automated assembly...


A small part on a big pad isn't a good idea, they tend to float off to one
side.  I had a board here like that a while ago, the parts were on all sorts
of funny angles.  It still worked though, just looked a bit odd.  I guess it
was a case of using whatever they had on hand.

Tony

<E1KKQfy-00030t-It@sydgsomail1.beagle.com.au> 7bit

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