[Amps] Russian HV Supply Capacitors

[Carl]

I still wouldnt use any laser discharge caps in an amp PS; they are pulse 
rated and do not handle current very well. There have been numerous reports 
of US caps going back to the 80's that literally exploded when run at full 
voltage. Derated to about 50% they were OK at least in a 1200W amp PS.

Carl
KM1H


----- Original Message ----- 
From: "MU 4CX250B" <4cx250b at miamioh.edu>
To: "Bill Turner" <dezrat1242 at wildblue.net>; <amps at contesting.com>
Sent: Thursday, January 09, 2014 5:18 PM
Subject: Re: [Amps] Russian HV Supply Capacitors


>I agree with Bill. The Soviet caps are very heavy duty and
> conservatively rated. I use a 50 uF/5kV version that looks identical
> and like it very much.  I also agree that this one is overpriced, and
> the shipping is outrageous.
> 73,
> Jim W8ZR
>
> Sent from my iPhone
>
>> On Jan 9, 2014, at 2:42 PM, Bill Turner <dezrat1242 at wildblue.net> wrote:
>>
>> ORIGINAL MESSAGE:          (may be snipped)
>>
>> ORIGINAL MESSAGE:          (may be snipped)
>>
>>> On Thu, 9 Jan 2014 18:49:03 -0000 (UTC), Denis wrote:
>>>
>>> If anyone has an opinion, or direct experience of
>>> using these, commentary would be appreciated.
>>
>> REPLY:
>>
>>
>> REPLY:
>>
>> Two comments:
>> 1. I have never used those personally, but I am a big fan of Russian 
>> stuff.
>> Built very conservatively and tough as a tank.
>>
>> 2. Those particular items are WAY overpriced. I'd do it with a string of
>> electrolytics.
>>
>> 73, Bill W6WRT
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