Re: Can anybody ID these caps?

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

Original poster: "Jim Lux by way of Terry Fritz <twftesla-at-uswest-dot-net>" <jimlux-at-earthlink-dot-net>

> >
> > Original poster: "jpeakall by way of Terry Fritz <twftesla-at-uswest-dot-net>"
<
> > jpeakall-at-mcn-dot-org>
> >
> > I have some ceramic looking doorknob caps, marked:
> >
> > N4700
> > 701M
> > M (The M is in  a circle) 40kv
> > 507A
> > they test out to .007pf
> >
> > I have been using these on a small coil with an OBIT, and they have
never
> > gotten warm. I just got a 15kv 60ma NST (for 20$ with 20' of 15kv wire,
> > sweet!), and am wondering if these caps can handle the NST.
> >
Those were made by Ceramite (that's actually a capital C around the M), .007
pF?  You probably mean .007 uF, and that's a bit high, since they are 4700
pF units.  (4.7 nF, .0047 uF).  Depending on how you measured them, it's not
unusual to have them read "high"