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November 16, 2011

Mixing Solders

Is there a problem if the following 2 solder chemistries are mixed on a PCBA?

Sn96.5 Ag3.0 Cu0.5 and Sn95.5 Ag4.0 Cu0.5

M. D.

Experts Comments

Absolutely not, for all practical and most physical and chemical reasons, they are identical before,during and after the soldering process so mixing them would have no effect.

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Richard Boyle
Global Product Champion
Henkel Electronics
Richard Boyle is a Global Product Champion at Henkel Electronics. He has over 25 years experience in the electronics assembly industry and is responsible for the global technical service of all of Henkel's solder materials.
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