Re: possible large MMC capacitor...

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Rodney Goolsby by way of Terry Fritz <teslalist-at-qwest-dot-net>" <jeronimo-at-bright-dot-net>


----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Saturday, May 10, 2003 1:14 PM
Subject: Re: possible large MMC capacitor...


 > Original poster: "Mark Broker by way of Terry Fritz <teslalist-at-qwest-dot-net>"
<mbroker-at-thegeekgroup-dot-org>
 >
 > Rodney, those caps are metallized polypropylene, meaning film
 > construction.  These are not good for pulse duty, which is corroborated by
 > the listing of "fair" on the electrocube web site.
 >

I'm obviously not an expert on MMC cap construction, thanks for pointing
that out.  Just curious.

 > If enough people are interested in a larger "Geek Cap," we can get some
 > ordered.  I believe our minimum order is 250 pieces, and can get any CDE
 > cap listed on their web site.  I believe the largest single 942C series
cap
 > they have is 1600VDC, .68uF.  Specs look good, although the dV/dt is half
 > the current offereing of 2kV, .15uF.
 >
 > Regards,
 >
 > Mark Broker
 > Chief Engineer, The Geek Group


 >
 > On Fri, 09 May 2003 18:08:39 -0600, Tesla list <tesla-at-pupman-dot-com> wrote:
 >
 > >Original poster: "Rodney Goolsby by way of Terry Fritz
 > ><teslalist-at-qwest-dot-net>" <jeronimo-at-bright-dot-net>
 > >
 > >CAT# MP-20
 > ><http://www.allelectronics-dot-com>www.allelectronics-dot-com
 > >
 > >Could this be used to make a large MMC style capacitor?  Take 22 of them
 > >in series which gives 1000v*22=22kv
 > >2uf/22=.091uf
 > >22 caps
 > >$8 each*22=$176
 > >
 > >copared to a geek MMC of compareble size....
 > >
 > >2000v*11=22kv
 > >.15uf/11=.0136uf per string
 > >.0136uf*6 strings= .0816uf
 > >11 caps*6 strings=66 caps
 > >$3*66 caps=198
 > >
 > >Thought it was worth asking, maybe useful for MOT of Pole pig cap.
 > >
 >
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 >