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Thu, 26 Jul 2001 03:19:31 -0500 |
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> I always understood that you had to use a paste with 2% silver if you
> were using components
> with terminations containing Palladium. The 2% silver is also supposed to
> five you a shinier
> finished solder joint.
>
> Steve.
>
> Larry Koens wrote:
>
> > Got a question for everyone,
> >
> > I just switched companies and the new company that I'm with now uses a
> > 62/36/2 solder paste. I've always used the 63/37 formula. The guys who
> > decided to use the 2% silver are no longer with the company. My
> question
> > to you is, why would they want the 2% silver in the paste? They know
> > something I don't?!
> >
The silver should give the alloy higher strength, better creep resistance
and a higher melting point. Perhaps your application benefits from one of
these differences?
Regards,
Eric Christison
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