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 Post subject: Re: where to get HV capacitors for electrostatic sets
PostPosted: Mar Tue 06, 2018 1:23 pm 
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Joined: May Sun 17, 2009 10:08 pm
Posts: 332
Location: Massachusets, 02019
Allied is out of .047 caps 6kv any idea ? need a few.


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 Post subject: Re: where to get HV capacitors for electrostatic sets
PostPosted: Mar Tue 06, 2018 3:17 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 26737
Location: Detroit, MI USA
They used to have ASC caps in 8KV ratings as well and the price wasn't all that much different.

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Dennis

Experience is what you gain when the results aren't what you were expecting.


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 Post subject: Re: where to get HV capacitors for electrostatic sets
PostPosted: Mar Tue 06, 2018 6:10 pm 
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Joined: Mar Sun 01, 2009 10:27 pm
Posts: 4547
Location: Ann Arbor, MI
Just Radios at www.justradios.com has them. See the ad at the right hand side of this page.

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 Post subject: Re: where to get HV capacitors for electrostatic sets
PostPosted: Mar Tue 06, 2018 10:01 pm 
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Joined: May Fri 29, 2009 4:35 am
Posts: 2065
Location: Chicago, IL USA
Lately I've started using these 6,000 volt, polypropylene film WIMA caps.

1,000 pF are only $0.44 each

4,700 are $1.12 but they are of stock and on order - :(

https://www.mouser.com/WIMA/Passive-Com ... weZ1z0x7x2


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 Post subject: Re: where to get HV capacitors for electrostatic sets
PostPosted: Mar Wed 07, 2018 12:40 am 
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Joined: May Sun 17, 2009 10:08 pm
Posts: 332
Location: Massachusets, 02019
Hey Bob how do they work on 7 inch sets


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 Post subject: Re: where to get HV capacitors for electrostatic sets
PostPosted: Mar Wed 07, 2018 4:35 pm 
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Joined: May Fri 29, 2009 4:35 am
Posts: 2065
Location: Chicago, IL USA
Since they are plastic film, they work perfectly. Just the same as the ASC capacitor. There's just one catch - they are meant for PCB mounting and have short, radial leads. So, you'll have t attach extension leads. Not a big deal, but something to be aware of.

Here are a couple of the 0.001 in a Motorola VT-71. I put solder blobs where the extension wires attached to eliminate sharp points and HV corona and arcs.
Image


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