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September 1998

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Subject:
From:
David Whalley <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 1 Sep 1998 10:48:36 +0100
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Eldon,

I did some trials several years ago putting nylon body connectors in
a vapour phase reflow process. We had extensive "popcorning" when they
had absorbed moisture, but no other significant deformation was observed.

David Whalley

At 04:15 PM 8/18/98 -0700, you wrote:
>A board (2 sided SMT w/4 TH connectors on top side) I am reviewing for
>possible build contains connectors with bodies constructed of Nylon 6/6.
>Per my McMaster-Carr "reference book", max temp for this material is
>rated at 170F, with max intermittent temp rating of 355F.  My best guess
>at this time is the connectors would deform/meltdown during reflow, and
>would need to be hand added.  The connectors are Molex 52024 series.
>
>Question; am I right?  Or has anyone successfully reflowed a connector
>using this material.
>
>Thanks in advance.
>
>Eldon Sanders
>Senior Manufacturing Engineer
>Instromedix, Inc
>[log in to unmask]

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