Re: Help! Will these work for MMCs?

• To: tesla-at-pupman-dot-com
• Subject: Re: Help! Will these work for MMCs?
• From: "Terrell W. Fritz" <terrellf-at-uswest-dot-net> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Wed, 14 Jul 1999 11:35:53 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

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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