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Re: Extra Toroid & MMC Caps
Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com>
I'm buying them in quantities of 1,000 and 1,500 pcs. We use a lot of them
for our 300 kV Bridge-of-Fire power supplies.
We use Erms * 3 and they hold up well under these conditions. We keep total
sparkgap (sum of 3 typically) to around 0.240 inches (240 mils) or less.
> I was wondering why those were so much less expensive than the CDE caps:
> The CDE caps have three times the dV/dt and Ip, and about 50% more Irms.
> guess I would expect these caps, based on specs alone, to perform very
> well, but not be as robust and tolerant of "oopsies".
> We do plan to start offering caps, and hopefully even some magnet wire,
> variacs, and possibly NSTs and MOTs. I'm not sure we could estimate a
> timeframe, but I would think by spring at the latest. Until then, these
> look like a good deal!
> Mark Broker
> Chief Engineer, The Geek Group
> On Sun, 03 Oct 2004 12:47:05 -0600, Tesla list <tesla-at-pupman-dot-com> wrote:
> >Original poster: "Harold Weiss" <hweiss-at-new.rr-dot-com>
> >Hi All,
> >I just picked up mine from Dr. R, and those STK capacitors are about 1/2
> >size of the CDE (Geek) ones. They look to be the same construction as
> >CDE, only smaller.
> >MP89 .15 uF 2000VDC 630VAC
> >Typ ESR 7 mO
> >Typ ESL 29 nH
> >dV/dt 960
> >Ip 144A
> >Irms 8.9A