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Subject: Protection of electronic circuits against sulphur dioxide

Date: 11/13/00 at 11:22 PM
Posted by: Neill Truter
E-mail: neilltruter@mweb.co.za
Message Posted:

I am experiencing a high failure rate of PCB components, notably small signal bipolar transistors (BC337 and BC327) on a site with a very high level of sulphur dioxide in the air.

I need some kind of conformal coating to protect my PCB against this pollution.

Any suggetstions???

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