February 11, 2004

Folks, does anyone out there have any info on the plus and minus of using nickel flash vice copper flash on a gold-plated brass standoff terminal.  We had an OEM that experienced "black nickel" which caused soldering problems.  To solve the problem, the OEM will switch to copper flash.  From what I am able to determine, the only real difference is that using nickel allows thinner top coating of gold, which means a less costly process.

From a reliability standpoint, it appears that either copper or nickel flash over a brass standoff terminal should be acceptable.  Any comments 
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would be appreciated.