Re: Marx Generator Caps?

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Vivek Babtiwale by way of Terry Fritz <twftesla-at-qwest-dot-net>" <dr_vek-at-yahoo-dot-com>

Does anyone have the datasheets for these caps:

89094 NO SCRN24391057 AEROVOX 3 MFD X 1500V. AEROVOX
OVAL 2.75"W X 1.75"D X 4.25"H 391 $ .45 EA
 


http://ww2.usamfg-dot-net/cgi-bin/onramp.exe?custnum=&password=&pgm=alpha.bbx&al


Search for > pha=capmicro

What is the ESR?




--- Tesla list <tesla-at-pupman-dot-com> wrote:
> Original poster: "Vivek Babtiwale by way of Terry
> Fritz <twftesla-at-qwest-dot-net>" <dr_vek-at-yahoo-dot-com>
> 
> Have any of you built a Marx Generator with caps
> similar to those given in this link?
> 
> 
> --- Tesla list <tesla-at-pupman-dot-com> wrote:
> > Original poster: "S & J Young by way of Terry
> Fritz
> > <twftesla-at-qwest-dot-net>" <youngs-at-konnections-dot-net>
> > 
> > Yes, they will work.  If you are starting with 2
> to
> > 3 KVDC, getting the very
> > small gap spacings just right will be tedious.  If
> > each cap is a composite
> > of several in series and you have a higher voltage
> > available, setting the
> > gaps will be less critical and time consuming.
> > 
> > --Steve
> > ----- Original Message -----
> > From: "Tesla list" <tesla-at-pupman-dot-com>
> > To: <tesla-at-pupman-dot-com>
> > Sent: Tuesday, February 05, 2002 8:43 AM
> > Subject: Marx Generator Caps?
> > 
> > 
> > > Original poster: "Vivek Babtiwale by way of
> Terry
> > Fritz
> > <twftesla-at-qwest-dot-net>" <dr_vek-at-yahoo-dot-com>
> > >
> > > Would the Microwave oven caps below work for a
> > Marx
> > > Generator as long as you used a low rep rate?
> > >
> > >
> > > --- Tesla list <tesla-at-pupman-dot-com> wrote:
> > > > Original poster: "S & J Young by way of Terry
> > Fritz
> > > > <twftesla-at-qwest-dot-net>" <youngs-at-konnections-dot-net>
> > > >
> > > > Sean & prospective cap buyers,
> > > >
> > > > As you are a Geek Grouper,  I know you
> wouldn't
> > want
> > > > to overcharge people
> > > > for your caps.  The going rate for brand new
> > surplus
> > > > MO caps is 40 cents to
> > > > $1.50 from USA Manufacturing Surplus.
> > > > See
> > > >
> > > >
> > >
> >
>
http://ww2.usamfg-dot-net/cgi-bin/onramp.exe?custnum=&password=&pgm=alpha.bbx&al
> > > > pha=capmicro
> > > >
> > > > It's all one URL - you may have to copy &
> paste
> > it
> > > > into your browser
> > > >
> > > > MO caps generally are no good for RF use -
> they
> > will
> > > > overheat and explode.
> > > > I think most have mylar dielectric which is
> > lousy at
> > > > RF.   But they are fine
> > > > for level shifters (original use in a MO) and
> DC
> > > > filter caps at 50 or 60 Hz.
> > > > --Steve
> > > >
> > > > ----- Original Message -----
> > > > From: "Tesla list" <tesla-at-pupman-dot-com>
> > > > To: <tesla-at-pupman-dot-com>
> > > > Sent: Tuesday, January 29, 2002 7:21 PM
> > > > Subject: capacitors
> > > >
> > > >
> > > > > Original poster: "Sean Taylor by way of
> Terry
> > > > Fritz <twftesla-at-qwest-dot-net>"
> > > > <taylorss-at-rose-hulman.edu>
> > > > >
> > > > > Hi everyone - does anyone know if microwave
> > oven
> > > > capacitors (polypropylene
> > > > > dielectric) work well for TCs if in series
> for
> > > > higher voltage? The reason
> > > > I ask
> > > > > is I have about 100 of them, they are split
> > into 2
> > > > section, one at 0.86
> > > > uF, one
> > > > > at 0.34 uF, with a common center.  They are
> > rated
> > > > at 2100 V and then say
> > > > 50/60
> > > > > Hz after that, so I'm assuming that thats an
> > AC
> > > > rating . . .  I would be
> > > > > willing to sell some for $5 each, if anyone
> > would
> > > > be interested.  If they
> > > > > aren't good for tank use, maybe for voltage
> > > > doubler/level shifter
> > > > circuits?
> > > > > First people to email me OFF list will get
> the
> > > > caps . . .
> > > > >
> > > > > Also, I have 12 .05 uF pulse caps rated at
> 10
> > KVDC
> > > > each.  Will these work
> > > > in a
> > > > > TC tank circuit, even at low duty cycle -
> > maybe a
> > > > few (20) seconds on at a
> > > > > time? Thanks!
> > > > >
> > > > > ---------------
> > > > > Sean Taylor
> > > > > The Geek Group
> > > > > G-1 #1204
> > > > >
> > <http://www.thegeekgroup-dot-org>www.thegeekgroup-dot-org
> > > > > Because the Geek shall inherit the Earth!
> > > > >
> >