How do lead-free alloys compare to tin-lead alloys for application temperature requirements?

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How do lead-free alloys compare to tin-lead alloys for application temperature requirements?

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Typically, lead-free alloys have higher melting points than tin-lead alloys. These range from 215°C to 240°C. It is very important to consider the melting point while choosing a lead-free alloy, as many components and materials cannot withstand the very high reflow peak temperatures (upwards of 260°C) of some tin-silver and tin-copper alloys.

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