RF choke current rating.SB-200

[Mark Graalman WB8JKR]

  Hi Jan,

  That choke only carries grid current so my guess its
probably has a 100-200 ma rating. Is the choke bad?
 There is no point in changing chokes for no reason,
if they aren't open or shorted they're fine. Mess
with a plate or filament choke and you may wind up with
a resonance problem. If it ain't broke don't fix it.

73,  Mark  WB8JKR

> In working on my SB-200, I am replacing the 28uH RF choke at the back
> of
> the tube pins.  What is the correct current rating of a replacememt
> choke?  What is the tolerance as all I can find is a 30uH PC mount
> inductor.  I can make it work but I would like to be exact.  How
> about a
> source for good replacement chokes for the whole amp.  Might as well
> put
> in new, quality components.
> Thanks to all for your help.
> Jan KG6EEE

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