High voltage capacitors

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RobertMendelsohn
Posts: 33
Joined: Mon Jul 20, 2020 8:58 pm
Real name: Robert Mendelsohn

High voltage capacitors

Post by RobertMendelsohn » Wed Mar 10, 2021 2:05 am

Hello,

I am looking to buy high voltage capacitors (>35kV), preferably Maxwell or General Atomics. I'm only interested in capacitors with stated ESLs. If you have multiple capacitors that would be ideal!

Sincerely,

Robert

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Rich Feldman
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Joined: Mon Dec 21, 2009 11:59 pm
Real name: Rich Feldman
Location: Santa Clara County, CA, USA

Re: High voltage capacitors

Post by Rich Feldman » Wed Mar 10, 2021 5:17 am

About how much capacitance? 0.001 uF? 50 uF?
Your interest in ESL suggests a pulse discharge application, but ESL might be an important parameter in some exotic Tesla coil, or for DC power smoothing in the presence of large high frequency ripple current.
Do the makers you named offer low ESL capacitors in both metallized film and metal foil?
All models are wrong; some models are useful. -- George Box

RobertMendelsohn
Posts: 33
Joined: Mon Jul 20, 2020 8:58 pm
Real name: Robert Mendelsohn

Re: High voltage capacitors

Post by RobertMendelsohn » Wed Mar 10, 2021 8:29 pm

Hi Rich,

I suppose some context would have been helpful. The capacitors are for a pulsed power project where (as you point out) inductance is the biggest issue. I'm looking for capacitances north of 30nF. Maxwell and General Atomics indeed make capacitors satiating my requirements, but they are pretty rare. Worth asking around!

Sincerely,

Robert

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