Re: Extra Toroid & MMC Caps

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

Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com> 


I sent Terry F. a box of them yesterday for destructive testing.

I usually use Erms * 3 especially at this low cost.

Dr. Resonance

Resonance Research Corporation
E11870 Shadylane Rd.
Baraboo   WI   53913
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Tuesday, October 05, 2004 8:36 AM
Subject: Re: Extra Toroid & MMC Caps


 > Original poster: "Rajesh Seenivasan" <rajeshkvs-at-hotmail-dot-com>
 >
 > Hi David,
 >
 > The caps are:
 > "MP89 .15 uF 2000VDC 630VAC"
 >
 > I have a doubt regarding the AC voltage rating. The spec says that it can
 > withstand 630VAV.
 > Can you guide me how do I calculate/de-rate(?) the AC voltage rating at
 > various frequencies ?
 > [at 10kHz or 50kHz or 100kHz ?].
 >
 > Thanks and regards,
 > Rajesh.
 >
 >
 > >Hi All,
 > >
 > >I just picked up mine from Dr. R, and those STK capacitors are about 1/2
the
 > >size of the CDE (Geek) ones.  They look to be the same construction as
the
 > >CDE, only smaller.
 > >
 > >MP89 .15 uF 2000VDC 630VAC
 > >Typ ESR 7 mO
 > >Typ ESL 29 nH
 > >dV/dt 960
 > >Ip 144A
 > >Irms 8.9A
 > >
 > >Terry, if your interested, I'll send a couple your way for destructive
 > >testing.  Let me know off-list.
 > >
 > >David E Weiss
 >
 >
 >
 >