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TH lead tinning process and solderability

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TH lead tinning process and solderability | 6 April, 2011

Our two component suppliers use 99.5Sn/0.5Cu and 97Sn/3Ag solder (respectively) for tinning their leads. We use 98.9Sn/.66Cu/.33Ag solder in our wave solder machine. Is there any significant advantage to either tinning process regarding solderability with our solder composition? Thank you.

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