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September 1999

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Subject:
Re: maximum solder joint thickness
From:
Eric Kalgren <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 17 Sep 1999 12:30:19 -0600
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text/plain (51 lines) 
We use .2mm as the "G" thickness of solder between the pad and lead.  Don't know where exactly it came from, but I suspect it was in NHB5300 at one time or another.

Eric Kalgren
BFGoodrich Aerospace
Data Systems Divison
[log in to unmask]

>>> "Kluz, Allen E." <[log in to unmask]> 09/17/99 08:42AM >>>
Technetters,
I've been searching through the IPC-A-610: Acceptability of Electronic
Assemblies Guidelines, and can't find anything on guidelines for maximum
joint thickness (from the pad to the lead). The manual refers to as the "G"
dimension, which clearly identifies the minimum thickness'.  Does anyone
know of guideline for this and where it's stated?  I'm looking for a round
lead in particular.

Thanks in advance.


Allen Kluz
Supplier Quality Engineer
[log in to unmask] 

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