Jack,

Just the reason we have always identified connectors as part of the coating keepout areas.

Pretty much any mating connector can have the contacts fouled if coating gets to near.

Sorry for the bad news.

FNK



Frank N Kimmey CID+

Electrical Engineer / PCB Design

VeriFone Inc

1400 W Stanford Ranch Road, Suite 200

Rocklin, CA 95765 USA

W: 1-916-625-1818

M: 1-916-833-9877

[log in to unmask]



-----Original Message-----

From: TechNet [mailto:[log in to unmask]] On Behalf Of Jack Olson

Sent: Wednesday, February 07, 2018 2:17 PM

To: [log in to unmask]

Subject: [EXT] Re: [TN] IPC-CC-830 (Conformal Coat)



sorry for the long delay (and thank you for the responses) but as I was reviewing these posts I had another question:



Have you ever heard of problems with conformal coating material wicking up the connector leads and causing intermittent connections?



thanks again,

Jack





On Wed, 6 Dec 2017 14:09:46 -0500, lduso - Diamond-MT.com <[log in to unmask]> wrote:



(..snip...)

>It's up to me to decide how close to J1 to get with the coating. I once

>coated the leads of all the fine-pitch connectors and the customer said

>that was too close. The next customer will reject the work if I don't

>coat the leads.



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