Yes you can (depending on the temperature tolerance of the parts).  But the
board won't be RoHS compliant.  So you will have to have anyone assembling
the board treat is as such and use leaded solder.  We have used mix parts on
MANY of our prototypes and have yet to have any issues with any of them for
this reason.



On 11/11/06, Madhu Annapragada <mapr@comcast.net> wrote:
>
> Can one really mix no-lead RoHS compliant SMT parts along with ones that
> have lead in the pins in a reflow oven? I just can't get a few of my chips
> in the RoHS compliant version (ridiculous lead times) and I was wondering
> if
> anyone on the list had any problems with a mixed batch.
> Any comments would be greatly appreciated. Am having trouble getting to
> sleep with a project deadline looming and my board shop telling me I can
> and
> my online search telling me I can't and so on..
> Thank you
> Madhu Annapragada
>
>
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-- 

Shawn Wilton (b9 Systems)
http://b9Systems.com  <- New web page
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