Re: reverse polarity protection (

Bill Cromwell


I have been in and repaired radios (and other electronics) where that reverse diode has blown. The failure mode was dead short to ground so the rest of the gear was still protected.

When one of my daughters married Dr. Murphy I thought I would get a break from Murphy's Law. But instead I get extra!


Bill KU8H

On 08/07/2018 09:34 AM, Mvs Sarma wrote:
the diode could be 1N540x a 3 amp device , as it is feared that diode
might blow faster than fuse (rule of MURPHY !!)
bark less - wag more

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