JIM HOLSONBACK wrote in a message to ALL:

 JH> I think I need two singles to fix it, and I think I'll try to find
 JH> some stronger parts. If I bought a bridge, that would end up making
 JH> 30VDC or so, wouldn't it?

If you just happened to have one of those hefty bridges around,  you could
use half of it...   Just gotta connect the common cathode point to the +
terminal of the cap,  and use the two AC inputs,  don't use the common
anode point and those diodes won't be used.



 JH> The circuit breaker bulb reads short in both directions, so may be
 JH> good, but I don't trust it anymore, as it let both of the diodes
 JH> get burned up.  I know I have an in-line fuse holder here, so think
 JH> I'll add one of those in the line out from the +12V terminal.

If it's reading shorted,  it probably _is_ still good -- you overload those
things and they tend to stay permanently open.

The cooked diodes may have been cooked a bit at a time?

 JH> There's an unused screw on the output terminal strip, so I think
 JH> I'll try to find something like a 24 Ohm 25W or so resistor to put
 JH> in there, as a current limiter (to about 2 AMPs), and if I ever try
 JH> to use this thing as a trickle charger again, I'll use that
 JH> terminal for the +12V output.

You can take a three-terminal regulator and a resistor and set it up to act
as a current limiter,  typically good for about 1.5A,  for most of those.

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