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February 2012

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Subject:
Re: Lead to Hole Ratio for Wave and Selective Soldering
From:
Mark Larson <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Mark Larson <[log in to unmask]>
Date:
Wed, 22 Feb 2012 09:05:34 -0600
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the IPC specs, both in designer certification, and 2222

BTW, back in the thru hole days the large company I worked for that had their own specs said hole size over maximum lead size was 14, 11-14 is fairly typical from my experience, as long as it is maximum lead diameter, not nominal

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