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Re: high voltage resistors
Original poster: "Nicholas Field by way of Terry Fritz <teslalist-at-qwest-dot-net>" <nick.field-at-hvfx.co.uk>
RS, Farnell and probably others stock a range of non inductive planar thick
film carbon resistors that are great for pulse/rf applications and far
cheaper than the likes of Victoreen or Meggitt. The larger size is rated at
5kV DC. 4 of the 10k units should do the trick, RS part number 239-2761.
>From memory I think they're about £0.50 each.
Nick Field, HVFX
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
Sent: Tuesday, January 21, 2003 3:56 AM
Subject: high voltage resistors
> Original poster: "Mark Broker by way of Terry Fritz <teslalist-at-qwest-dot-net>"
> Hello, all!
> I'm looking for some inexpensive resistors that will stand off 20kV
> pulses. I have
> no objections to using two or three in series. I need a value of
> 30-40kohm. I am
> currently using 3 1/2W resistors in series, but question the longterm
> ability. I have been considering the Ohmite OY series - 2W ceramic
> that are about .75" long and .3"diameter, available from Digikey. But at
> about a
> buck each, I'd rather not spend $40 to discover they won't work!
> Mark Broker
> Chief Engineer, The Geek Group