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January 1998

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Subject:
Re: Minimum dia drilled
From:
Jay Soderberg <[log in to unmask]>
Reply To:
[log in to unmask]
Date:
Tue, 13 Jan 1998 16:35:12 -0600
Content-Type:
text/plain
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On 13 Jan 98, [log in to unmask] wrote:


>      Hi
>      What is the minimum distance recommended between TH leads and
>      the edge of the drilled hole insuring good solder filling
>      during wave soldering.  Which IPC standard number defined this
>      distance? Thanks in advance. Tamir
>

The appropriate IPC specification is IPC-D-275,  which lists numerous
design guidelines.  Specifically, see paragraph 5.4.8 and Table 5-15.

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