Re: Are your transistors growing whiskers in their old age?

Dave Seiter

So does silver.

On Tuesday, March 3, 2020, 07:58:34 AM PST, Brad Thompson <brad.thompsonaa1ip@...> wrote:

Geoffrey Thomas wrote on 3/3/2020 9:53 AM:

The AF117 transistors were exhibiting this problem in the late 1970's,
tin whiskers is why we had lead in solder, of course.

Zinc also grows whiskers:


Brad  AA1IP

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