Ask the Experts
November 16, 2011 - Updated
November 14, 2011 - Originally Posted

Mixing Solders

Is there a problem if the following 2 solderchemistries are mixed on a PCBA? Sn96.5 Ag3.0 Cu0.5 and Sn95.5 Ag4.0 Cu0.5

M. D.

Expert Panel Responses

Absolutelynot, for all practical and most physical and chemical reasons, they areidentical before,during and after the soldering process so mixing them wouldhave no effect.

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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