Tom W8JI wrote:
>
>> I can't believe how cheap 25 or 35A bridges are. Use the two ac
>> terminals and you get two diodes in series back to back, with a rating
>> that will laugh at any glitch current.
>
> The fault current only goes one direction. The negative rail can only
> elevate more and more negative if the HV faults.
>
> I never protect meters or rails for the other direction because I never
> turn my HV supply rectifiers around backwards.
Yes, two of the diodes don't have a function in this arrangement but I
can't see that they do any harm either.
I think it's a component where overkill is good and a bridge is a cheap
way of getting a mechanically simple solution if you choose to go for
something with a high current rating.
Steve
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