Re: Microwave caps.

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: Jim Lux <jimlux@xxxxxxxxxxxxx>

At 05:54 AM 1/16/2006, you wrote:
> Original poster: Frosty <frosty90@xxxxxxxxx>
>
> hi every one
>
> is is possible to use a whole lot of microwave capacitors in series 
> to bring up the voltage rating and bring down the capacitance to a 
> useful value? if so this would be a really cheap alternative for 
> capacitors. where i live i can get just about as many old microwaves 
> as i want (i suppose i would need lots if each capacitor is about 
> 1-2 uF, supposing all 1 uF you wold need at least 32)
> has anyone done this before,  wouuld just like to know before i go 
> out and find 32 old microwaves!
> --
> Frosty


microwave oven filter capacitors are designed to filter 50/60 Hz 
ripple, not 100kHz TC primary frequencies.  They're quite lossy at TC 
frequencies, and so, fairly useless for this application.  Handy for 
lots of other things though (say you want to build a big voltage multiplier...)