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Old 7th Oct 2019, 10:46 am   #15
Radio Wrangler
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Join Date: Mar 2012
Location: Fife, Scotland, UK.
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Default Re: It's Smoke that makes it all work

Extra caution is needed. Reverse bias avalanche of a PN junction - especially a base-emitter junction can do damage even before the smoke release point. For transistors, you'll find a progressive reduction in gain and an increase in noise factor. Not as dramatic, but still worth avoiding. Maybe the smoke stays in, but gets contaminated?

David
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