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Good plating for battery contact for PCB pad

Q. Hi. I am looking for information regarding whether or not plating is required on 301 High Yield Stainless Steel battery contact that makes contact with a PCB pad made from Copper covered in tin-silver(hot air leveling or lead free solder. Is plating required and if so can you recommend a suitable plating to prevent galvanic corrosion between the two dissimilar metals?

thanks

DEANNA IOBBI
- San Jose
May 7, 2012

A. Hi Deanna.

While there may be exceptions, I don't think galvanic corrosion is a serious issue for most PCB-to-battery-terminal situations. Electroless nickel is very widely used for low voltage battery terminals and would probably be fine.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
(Ted can offer longterm or instant help)
finishing.com - Pine Beach, New Jersey
May 8, 2012

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