[Heathkit] SB-601 capacitor voltage ratings

[Dave Cook]

I've been trying send this message for the past several days, but the
Heathkit reflector keeps bouncing it. I hope this one makes it through.

I just wanted to thank everyone for all the replies about this. I guess I
can't read a darn schematic anymore :-) The short answer being that these
capacitors are only half of the voltage doubler power circuit, with C602
making up the other half.

Best 73 to all,
-- Dave WA0TTN

> -----Original Message-----
> From: heathkit-bounces at mailman.qth.net [mailto:heathkit-
> bounces at mailman.qth.net] On Behalf Of Dave Cook
> Sent: Saturday, April 24, 2010 5:19 PM
> To: Heathkit List Server
> Subject: [Heathkit] SB-601 capacitor voltage ratings
> 
> Hi guys, I'm recapping an SB-610 and am a little confused about the
> voltage
> rating of C600, C601 - the 40 uf'ers in the 600V supply. There's no
> voltage
> rating in the parts list, and the caps themselves show 350V, but
> looking at
> the schematic the output is 600V. How can this be? I'm ordering
> replacements
> from Mouser and I'm concerned about replacing them with 350 volt, or a
> little higher, capacitors. Any suggestions for the best replacement
> part for
> these?
> 
> Thanks and 73,
> 
> -- Dave WA0TTN
> 
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