I'd always used large ceramic wire-wound resistors in my Terry Filters.
They're very good with holding off high voltages and heats.
See also: https://drive.google.com/file/d/0B6iVBGaz57fSa0h4bUNiSy1qT0U/view?usp=sharing
> -----Original Message-----
> From: Tesla [mailto:tesla-bounces@xxxxxxxxxx] On Behalf Of wt5y
> Sent: Sunday, September 13, 2015 12:33 PM
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] terry filter resistors
>
>
>
> Ok thanks, mine are 1000 ohm, how low and high can that vary?
>
>
> Sent from my Samsung GALAXY S5™, a Cricket 4G LTE smartphone
>
> -------- Original message --------
> From: Gary Lau <glau1024@xxxxxxxxx>
> Date: 09/12/2015 11:16 (GMT-06:00)
> To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
> Subject: Re: [TCML] terry filter resistors
>
> Correct - you don't want an aluminum-encased resistor on a device
> intended to standoff high voltage transients. The DougDeals resistor
> looks like a good deal.
>
> On Sat, Sep 12, 2015 at 9:55 AM, Doug <doug11642@xxxxxxxxxxx> wrote:
>
> > Hi John; Try this company and VARISTOR-- Mouser Electronics
> >
> > http://www.mouser.com/ProductDetail/KOA-
> Speer/NVD10UCD1800/?qs=sGAEpiM
> > ZZMuQmL5N8IqpX60p22ayIdHXFuxHkI%252bpoGQ%3d
> > Also, and I cannot qualify this, but I read somewhere that the
> > aluminum encased Res. were not suitable for TF use.
> > Try this site for Res.
> > http://www.dougdeals.com/p-2471-2pcs-100-watt-875-ohm-vitreous-
> enamel-
> > resistor-100w-nr.aspx
> > Doug
> >
> >
> > On 9/12/2015 12:01 AM, John Cooper wrote:
> >
> >> My terry filter uses Dale HL-100-06Z 1k ohm 100w 5% resistors (2)
> >> one on each leg. Ive been searching ebay for more and they run
> >> $10+shipping and only a couple NOS can be found. How much can the
> >> resistance value vary and still work if I stay at 100W?
> >>
> >>
> >>
> >> Also I found these cheap (half price) on ebay from China they are
> >> rated for 1k ohm and 100w 5%. They are small only 3 inches long
> >> compared to the above 6.5 inches but they covered in an aluminum
> >> heatsink. I see no reason why they wouldn’t work but figured I
> better ask here first.
> >>
> >>
> >> http://www.ebay.com/itm/1PCS-High-Power-1000-Ohm-1K-100W-Watt-
> Aluminu
> >> m-Shell-Case-Wirewound-Resistor-5-/141509835156?hash=item20f2a4b994
> >>
> >> Nothing is wrong with my filter just trying to source more parts to
> >> build more in the future.
> >>
> >>
> >> John Cooper
> >> _______________________________________________
> >> Tesla mailing list
> >> Tesla@xxxxxxxxxx
> >> http://www.pupman.com/mailman/listinfo/tesla
> >>
> >
> > _______________________________________________
> > Tesla mailing list
> > Tesla@xxxxxxxxxx
> > http://www.pupman.com/mailman/listinfo/tesla
> >
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