MMC Cap up in Smoke

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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.

Gary