Carbon composition resistors exhibit lower than specified resistance at high voltages but 1/2W should be OK. Horace W Heitman wrote: > Yes. You should use a resistor in parallel with each capacitor to equalize > the voltages across the capacitors. Each resistor should have a resistance > of 1K times the voltage across it. In your case, each capacitor would have > 250V across it so each resistor would be about 250K. The tolerance of the > resistors ought to be 5% or better and the power rating should be a minimum > of 1/2W > . > sueded <kttk@netvigator.com> wrote in message > news:37988b21.3471696@news.netvigator.com... > > hi, > > > > i got a schematic that need a 30uF500V capactior in power supply part > > but i cant find that high voltage cap...only up to 450V..so i thinking > > to connect two 60u250V (or higher voltage) in series...from the > > equation i learnt...60u+60u in series should be =30u > > and by the voltage divider law...each cap should be carry 250V... > > > > is it correct and work?? > > > > sueded
Date: Fri, 23 Jul 1999 16:58:04 GMT
Original Subject: Re: 60uF+60uF=30uF?? cap question