[Amps] 3-500Z glitch resistor

Steve Thompson g8gsq at eltac.co.uk
Mon Sep 8 10:06:48 EDT 2008


Carl wrote:
> For decades Ive been replacing RFC-2 with a 15-25 Ohm 20-25W real enamel 
> wirewound. Works great and there are no voltage problems; they take arc 
> surges very well. Do not use a cement resistor.
> 
> The last thing Id use would be one of those metal encased resistors. One 
> good zap and youve got shrapnel plus a blown PS. Dust accumulation wont 
> help either.
Agreed. One clarification for anyone looking up the Vishay part I 
mentioned - while they have the same footprint and similar shape to the 
metal cased resistors, they are totally different inside. The resistive 
part is thick film on ceramic.

Steve


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