Dear Peter,
On very close examination of the wirewound that measures fifty some odd
ohms,
there IS a pinhole through the ceramic, about midway on the body of the
resistor!
Thank you.
Hal Mandel
KA1XO
> I'd agree that the 53 ohm one sounds suspiciously low: I suppose
> it's
> possible it arced from turn to turn and fused that way. can you see
> anything wrong with it on a visual inspection? The usual reason for
> open
> circuits in wirewounds is, I was told by a manufacturer,
> frequently
> corrosion where the coating has a pinhole.
>
> These days, I use two bleeders in parallel, and even then, I don't
> trust
> them!
>
> 73
>
> Peter G3RZP
>
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