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Re: Epoxy 1/4 watt resistor to increase voltage and heat dissapation?



Original poster: "Virtualgod" <mike.marcum-at-zoomtown-dot-com> 

Well, gee wiz. Up to now I was using some rather expensive (~$10-20 each) 2
watt, 20meg metal film/ceramic caps rated at 4000v in air/8000 in oil. This
should save some money...

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Saturday, April 03, 2004 4:23 PM
Subject: Re: Epoxy 1/4 watt resistor to increase voltage and heat
dissapation?


 > Original poster: Terry Fritz <teslalist-at-twfpowerelectronics-dot-com>
 >
 > Hi,
 >
 > See:
 >
 > http://www.pupman-dot-com/listarchives/2000/November/msg00073.html
 >
 > Cheers,
 >
 >          Terry
 >
 >
 > At 01:29 PM 4/3/2004, you wrote:
 > >Doesn't voltage over 500v on these make the resistance unstable (beyond
the
 > >usual tolerance) even if the don't blow up/ fry?
 >
 >
 >
 > >----- Original Message -----
 > >From: "Tesla list" <tesla-at-pupman-dot-com>
 > >To: <tesla-at-pupman-dot-com>
 > >Sent: Saturday, April 03, 2004 2:04 PM
 > >Subject: RE: Epoxy 1/4 watt resistor to increase voltage and heat
 > >dissapation?
 > >
 > >
 > > > Original poster: "Lau, Gary" <gary.lau-at-hp-dot-com>
 > > >
 > > > I would guess not.  Besides, a shiny brand-new 1/2W resistor costs
 > > > something like a penny a piece.  No doubt the epoxy would cost far
more,
 > > > not to mention the trouble and mess.
 > > >
 > > > Gary Lau
 > > > MA, USA
 > > >
 > > > -----Original Message-----
 > > > From: Tesla list [mailto:tesla-at-pupman-dot-com]
 > > > Sent: Saturday, April 03, 2004 12:06 PM
 > > > To: tesla-at-pupman-dot-com
 > > > Subject: Epoxy 1/4 watt resistor to increase voltage and heat
 > > > dissapation?
 > > >
 > > > Original poster: "Hydrogen18" <hydrogen18-at-hydrogen18-dot-com>
 > > >
 > > > Can I epoxy encase 1/4 or 1/8 watt resistors to increase the current
and
 > > >
 > > > voltage rating? I've read the main problem with them is arcing from
lead
 > > > to
 > > > lead not the carbon film giving way, leading me to this idea.
 > > >
 > > > ---Eric
 > > >
 > > >
 >
 >