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Re: [Amps] Blue Disc Ceramic caps ??

To: Larry Benko <xxw0qe@comcast.net>
Subject: Re: [Amps] Blue Disc Ceramic caps ??
From: Rob Atkinson <ranchorobbo@gmail.com>
Date: Fri, 17 Aug 2012 05:25:47 -0500
List-post: <amps@contesting.com">mailto:amps@contesting.com>
v. rating is only part of it; I think Hank is probably wanting to know
if they are class 2 and what the dielectric temp. code is.   Choose
caps for RF carefully.


rob
k5uj

On Thu, Aug 16, 2012 at 11:01 PM, Larry Benko <xxw0qe@comcast.net> wrote:
> Hank,
>
> Look at TDK CC45 capacitors.  Available at Mouser with number
> 810-CC45xxxxxxxx.  They are about $.15 in 1k quantities.  The data sheet
> specifically says "low dissipation at high frequency".  They are rate at
> 6kVDC.  I have tried*unsuccessfully* to blow them up at HF with no DC
> and RF voltages of 2kVpk.  However the ones I was testing were 10pF,
> 22pF, and 47pF so the current would be much lower than the higher
> capacitance ones.
>
> Larry, W0QE
>
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