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Re: [Amps] SB-220 Plate Tuning Capacitor

To: R L Measures <>,
Subject: Re: [Amps] SB-220 Plate Tuning Capacitor
From: Peter Chadwick <>
Date: Wed, 7 Jun 2006 12:51:42 +0200 (CEST)
List-post: <>
Rich said:
>The measured breakdown potential of a SB-220 bandswitch is c. 4900v  
at sea-level.  At 390v peak output into 50-ohms, the actual potential  
across open bandswitch contacts is c. 2600v-pk.<
And what is the manufacturer's rating?
For some reason I don't understand, things seem to break down more readily with 
RF than with DC.

Peter G3RZP
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