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MMC Cap up in Smoke

Original poster: gary350@xxxxxxxxxxxxx
Are you guys using any special type capacitors?

I built my first MMC capacitor today it lasted a whole 2 seconds then went up in smoke. My power supply is a 6K 20ma transformer. The capacitors are .1uf 1500VDC Sprague 430P 227084-43F. I soldered 7 capacitors in series to get 10.5K volt rating. My TC is a tiny little thing I built 5 years ago it had an oil filled poly cap.

Here is a picture on the TC. http://i43.photobucket.com/albums/e358/gary350/tc4.jpg Notice the small TC in the bottom left with a 1.5" diameter 5" tall secondary with a door knob top load.