Re: Help! Will these work for MMCs?

• To: tesla-at-pupman-dot-com
• Subject: Re: Help! Will these work for MMCs?
• From: Doug Brunner <dabrunner-at-earthlink-dot-net> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Fri, 16 Jul 1999 11:53:33 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

How long would it probably take to overheat the caps, if they're submerged
in oil?

Tesla List wrote:

> Original Poster: "Terrell W. Fritz" <terrellf-at-uswest-dot-net>
>
> Hi Doug,
>
>         I wondered around the Sprage web site
(http://www.cornell-dubilier-dot-com/)
> but didn't see the "JX" types.  If they are metalized polypropylene you are
> probably on the right track.  However, I worry.  10 caps will give a 35000
> volt (DC) cap at 10nF but there would only be one string.  Tesla coil
> primary circuits can reach almost a thousand amps peak and typically 15
> amps RMS.  That would probably overheat and destroy the best caps made.  I
> think you need more strings of caps to share the current so no one string
> is overheated.  A lot depends on the particular coil but...
>
> Cheers,
>
>         Terry
>
> At 10:15 PM 7/12/99 -0600, you wrote:
> >Original Poster: Doug Brunner <dabrunner-at-earthlink-dot-net>
> >
> >I'm looking at some Sprague JX series 0.1 uF/3500VDC filter caps, which
> >are selling for $2.50 each. Do you think these will work in Tesla
> >service in a string of 10?
> >
> >                    -Doug Brunner
> >                        <dabrunner-at-earthlink-dot-net>
> >
> >

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