Ferroresonant transformer supply repair

Marc Howard cramcram at gmail.com
Mon Sep 9 15:02:34 CDT 2019


Amazon is your friend:

https://www.amazon.com/Capacitor-Motor-Quick-Connect-Snap/dp/B00HRNKI9Q/ref=sr_1_fkmr0_2?keywords=660v+capacitor+8+mfd&qid=1568059220&s=gateway&sr=8-2-fkmr0

$13 bucks.  Cheep.

Marc Howard

On Sun, Sep 8, 2019 at 7:41 PM Kyle Owen via cctalk <cctalk at classiccmp.org>
wrote:

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


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