Ian White GM3SEK wrote:
> A.R.S. - W5AMI wrote:
>> Just took D105 and C105 out of the circuit and removed C105 off of
>> D105. D105 is shorted both ways, so I'm going to go ahead and replace
>> it and C105 before I go any further. Maybe this will be the simple
>> solution. I hope!
>>
>
> This diode is meant to handle the current surge, not be destroyed by it.
> Many older amps use "1-amp" diodes like the 1N4001-4007 series, which
> don't have a high enough surge current rating.
>
> The replacement should be at least a "3-amp" diode like the 1N5400-5408,
> or better still one of the big fat 6A diodes like the GI750 or P600
> series.
>
> Peak inverse voltage doesn't matter in this application, so you could
> use any diode that has a high enough current rating.
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.
Steve
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