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.