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LF: teflon capacitors

To: <[email protected]>
Subject: LF: teflon capacitors
From: "F6CNI - Andy - JN19QB" <[email protected]>
Date: Thu, 11 Aug 2016 12:01:36 +0200
Importance: Normal
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Hello Dave, for info :
I did not tried the teflon models, but in the years 2002 I had an home made ampli on 2200m band, with 2 x 3-500Z tubes, also 800 W output.
I used Russian doorknob capacitors types K15U-2 and KVI-3 without any problem. They are still avaible on the UR4LL surplus parts site
Sent: Thursday, August 11, 2016 9:39 AM
Subject: LF: teflon capacitors
Has anybody tried using the Russian teflon doorknob capacitors for tuned circuits on 137 khz? I have seen some rated at 2000pf at 16kv which will give me the 8000pf I require to tune the loop. So far most caps get hot or self destruct when getting to 1kw, only 2/3 power. Current at 800 w is about 20 amps. Thanks Dave
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