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Re: using ignition coils for marx supply



Original poster: "RIAA/MPAA's Worst Nightmare" <mike.marcum-at-zoomtown-dot-com> 

So these can be put in series? wouldn't they overvolt unless there was a way
to ensure they switched at the same time? I was going to buy a few single
60kv .5A superfast ones ($200 each for 200khz rectification), but this would
save a fortune.
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Saturday, November 29, 2003 3:24 PM
Subject: RE: using ignition coils for marx supply


 > Original poster: "Daniel Barrett" <dbarrett1-at-austin.rr-dot-com>
 >
 > Gee, I feel like an advertisement for these things, but the 1N4007, though
 > cheap, is a little slow for the 200uS-ish pulse from the coil. I
 > experimented with this a year ago and they are inefficient, get hot and
die
 > fast when used with anything but a 60Hz sine wave due to a very slow
reverse
 > recovery time. Better to use then UF4007 (A string of 50 for your
 > application). More expensive but will work as expected for higher
frequency
 > stuff like ignition coil rectifiers and DC Tesla coil "De-Q-ing" diodes.
Get
 > these from Mouser or similar. Digikey does not carry them.
 > db
 >
 >
 > -----Original Message-----
 > From: Tesla list [mailto:tesla-at-pupman-dot-com]
 > Sent: Friday, November 28, 2003 9:34 PM
 > To: tesla-at-pupman-dot-com
 > Subject: Re: using ignition coils for marx supply
 >
 >
 > Original poster: "Anthony" <ant17-at-optushome-dot-com.au>
 >
 > i would just use 40 1n4007 in series
 >
 > ----- Original Message -----
 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > To: <tesla-at-pupman-dot-com>
 > Sent: Saturday, 29 November 2003 12:43 PM
 > Subject: Re: using ignition coils for marx supply
 >
 >
 >   > Original poster: "Jim Mitchell" <Wrenchead-at-starband-dot-net>
 >   >
 >   > You would need a big diode, where would you get one?  Just use a
flyback
 >   > transformer.
 >   >
 >   > Regards - Jim Mitchell
 >   > ----- Original Message -----
 >   > From: "Tesla list" <tesla-at-pupman-dot-com>
 >   > To: <tesla-at-pupman-dot-com>
 >   > Sent: Friday, November 28, 2003 9:10 AM
 >   > Subject: using ignition coils for marx supply
 >   >
 >   >
 >   >  > Original poster: "Anthony" <ant17-at-optushome-dot-com.au>
 >   >  >
 >   >  > hi guys i was wondering if any of you guys has had much luck a
using a
 >   >  > rectified ignition coil as a power supply for a marx did it work ok
 > thanks
 >   >  >
 >   >  >
 >   >  >
 >   >
 >   >
 >
 >