[TCML] High voltage diode sources
Weinhold Shannon L
Shannon.L.Weinhold at doc.state.or.us
Mon Mar 2 14:18:35 MST 2009
I have a few ideas for ya -
These are 4 for $10, and have a 12kv .45 amp rating. Super cheap
I have used these for multiplier use and they hold up well.
And there's these, and you could double them up to get to the current
rating of the caps you spoke of.
I do recommend making diodes removable and thus replaceable in
I made the mistake of potting mine in epoxy with the capacitors and
pulled some really killer sparks at 200,000+ volts...for a minute. :)
Potting the caps with attachment leads sticking out of the potting
material, and soldering those leads to the diodes, followed by a
generous coating of corona putty on the diodes and leads worked well for
me. Ceramic doorknob caps worked excellent for me.
And don't forget that current limiting resistor on the output. Sorry if
any of that is redundant.
Have fun multiplying! ;-)
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From: Jim Harvey (UDN) [mailto:harvey.james at utahdatanet.com]
Sent: Monday, March 02, 2009 10:06 AM
To: 'Tesla Coil Mailing List'
Subject: [TCML] High voltage diode sources
What high voltage diode would this group recommend? I am looking to
build a three stage voltage multiplier driven by a 9000 VAC CT NST.
I have found the X100SG diode from Voltage Multipliers Inc at a price of
$5.29 each. This is a 10KV PIV 100 mA diode in an axial lead package.
Any less expensive ideas?
73 & Stay Vertical,
Jim Harvey (W7YV) - The Great Curmudgeon P.O. Box 18009 Salt Lake City,
UT 84118 http://www.harveyclan.net http://www.harveyclan.net/w7yv.htm
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