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TechNet <[log in to unmask]>
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Date:
Thu, 20 Sep 2018 11:40:26 +0000
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TechNet E-Mail Forum <[log in to unmask]>, "Gumpert, Ben" <[log in to unmask]>
Subject:
High Temp SnPb solder
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"Gumpert, Ben" <[log in to unmask]>
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TechNetters,

J-STD-006 has a series of 'high temp' SnPb alloys (some with Ag) that are close in SOL/LIQ temps. I'm familiar with Sn10Pb90 as a common high-temp ball on ceramic BGAs, but I haven't seen the others used. Are there any differences (e.g. mechanical properties) among these that would drive selection, other than the SOL/LIQ?
Are some alloys more readily available than others?

Ben

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