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Controlled stripping of tin from copper plated contacts

Hi,
I need some special contacts and because of time pressure, I cannot get them fast enough for my application. I found some but they are Sn plated.
I was wondering if is there any controlled way (electrical) to remove plated Sn from Cu contacts with out disturbing the Cu substrate.
Thank you.
Gabriel T.

Gabriel Toya
employee - Buffalo, NY, USA
September 27, 2011

Try anodic stripping in a hot alkaline solution, such as 20% sodium hydroxide at about 60-70° C

Trevor Crichton
R&D practical scientist
Chesham, Bucks, UK
November 14, 2011

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