Re: Paper pulse capacitors

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

Original poster: robert & june heidlebaugh <rheidlebaugh-at-desertgate-dot-com> 

I use .25 ufd 1000v wax paper capacitors for my coils with good results ( US
made). I do question 6.3 Kv paper capacitors. I do not know how they could
be made to withstand such a high voltage with paper unless they were 2L in
size or larger.
    Robert  H
-- 


 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > Date: Sat, 08 Nov 2003 17:38:06 -0700
 > To: tesla-at-pupman-dot-com
 > Subject: Re: Paper pulse capacitors
 > Resent-From: tesla-at-pupman-dot-com
 > Resent-Date: Sat, 8 Nov 2003 17:47:30 -0700
 >
 > Original poster: Jim Lux <jimlux-at-earthlink-dot-net>
 >
 >
 > In paper dielectric capacitors, the paper is a spacer. The dielectric is
 > usually something like oil or an askarel (PCB) that impregnates the
 > paper.  Interesting connectors on that cap. I assume that it's 0.25 uF -at-
 > 6.3 kV, if I'm reading the Cyrillic letters right.  I'd really wonder if
 > they're pulse caps though, and not something like a PFC correction cap. Odd
 > packaging for something made in the 90's, but then, the Soviets had all
 > sorts of weird things they did.. maybe the capacitor factory was working to
 > a quota on the weight of their output in tonnes, like the truck
 > factories.  Maybe the seller has some more information.  Maybe, since
 > you're physically much closer, you could do a deal to get one cheaply and
 > check it (It probably doesn't cost $16 to send something from Vilnius to
 > Finland)
 >
 >
 > At 08:12 AM 11/7/2003 -0700, you wrote:
 >> Original poster: Marco.Denicolai-at-tellabs-dot-com
 >> Hello all,
 >>
 >> A buddy of mine was thinking to by these russian pulse capacitors:
 >>
 >> http://cgi.ebay-dot-com/ws/eBayISAPI.dll?ViewItem&item=2570787950&category=4662
 >>
 >> They use paper as dielectric.
 >>
 >> Anybody any hints about paper dissipation loss or about these capacitors
 >> for Tesla use?
 >>
 >> Regards
 >>
 >> _____________________________________________________________
 >>
 >> Marco Denicolai           Senior Design Engineer
 >> Tellabs Oy                tel: +358 9 4131 2769
 >> DSL Products              mobile: +358 50 353 9468
 >> Sinikalliontie 7
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 >> _____________________________________________________________
 >
 >
 >