Ferroresonant transformer supply repair

Kyle Owen kylevowen at gmail.com
Sun Sep 8 21:41:31 CDT 2019

On Sun, Sep 8, 2019, 20:39 Guy Dunphy via cctalk <cctalk at classiccmp.org>

> >
> >We recently replaced the ferroresonant capacitor in a power supply on the
> CHM's
> >PDP-1. They do fail (thankfully, not often) - and they are not
> super-critical
> >as to value. If the one you're replacing has the same marked value, you
> should
> >be fine.
> >
> Yes, that's right. Find something with the same marked capacitance value.
> The rated voltage can be the same or higher.

I can't seem to find motor caps that meet the voltage spec of 660V. 8uF
doesn't seem like a problem, but the combination together isn't looking
good. Are there any specific vendors I should be looking at? My usual
suspect of DigiKey isn't looking good.




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