Printed Circuit Board Assembly & PCB Design SMT Electronics Assembly Manufacturing Forum

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SMT electronics assembly manufacturing forum.

Solder paste type

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Solder paste type | 4 September, 2013

We have using SAC305 type solder paste for lead free process. One sample paste received of SN100C.After reflow SN100C type paste joint looks brighter and good compare to SAC305. Please help me which paste is good for smt process?

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Solder paste type | 5 September, 2013

Both SN100C and SAC305 are excellent and tested LF alloy formulations that with proper process management will produce good looking and reliable solder connections. "Bright & shiny" solder connections is NOT a good measure of a properly soldered LF connection, unlike old timey leaded solder connections.

BR, davef

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