Re: Unknown type of HV capacitor

["John Sanderson" <john.sanderson-at-eng.monash.edu.au> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)]

> Original poster: "Ed Phillips" <evp-at-pacbell-dot-net> 
> 
> > I recently obtained a pair of HV capacitors and I have no idea about
> > their intended application, or whether or not they would be suitable
> > for a TC tank circuit.  (My initial feeling is "not".)  But maybe
> > someone on this list has come across these before, and can give me a
> > definite yes or no.  The details of these caps are:
> > 
> > Manufacturer:
> > Sprague
> > Nameplate details:
> > 0.3 microfarad
> > 50kV DC -at- 85 degrees C
> > 62.5kV DC -at- 40 degrees C
> > Model number:
> > 269 P223
> 
> Don't have a Sprague catalog at hand, but strongly suspect those are
> inserted-tap filter capacitors and worthless for TC use.  Have you tried
> looking for a Sprague web site?
> 
> Ed
> 

I found Sprague-Goodman, Commonwealth Sprague and Saha Sprague, and 
have emailed representatives of the last two (Sprague-Goodman don't 
appear to deal with this sort of capacitor).  I'm not holding my 
breath for a reply though, -I'm not actually _buying_ anything  :-)  

John S.