Kaye,
It all depends on the size of leads and how many cracked solder joints you
can stand. There are commercially available alloys that are nearly crack
free and others that have lots that do indeed propagate during thermal
cycling.

John Maxwell

At 10:19 AM 5/10/2005, you wrote:
>Technet,
>
>Can anyone share what the differences are between
>Tin-Silver-Copper (SAC) solder and the Tin-Copper-Nickle solder
>(or ultimately, the solder joints) for use in wave solder machines?
>Why would someone want to use one over the other?
>
>Thanks,
>
>Kaye
>
>
>
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>
>
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