Re: NST protection circuit

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

Original poster: "will dork by way of Terry Fritz <twftesla-at-uswest-dot-net>" <vcdmasta-at-hotmail-dot-com>


Hello everyone,

At the local electric shop, they only have 25 watt. Could i hook two or 4 in
series to gain 1k ohm -at- 50-100 watts???

Thanks

Will McManus

>Hi Will, 
> 
>They should be 100 watts but you can use 50 if you are running say 100mA or 
>less. I made them big resistors to stand off voltage and to keep them from 
>getting super hot. Power resistors like these have a surface temperature of 
>about 350C at rated power. They are just heating elements... Most people 
>thought the resistors were getting too hot (they were fine) so I just used big

>resistors to keep them from getting really hot like they tend to do normally. 
> 
>Cheers, 
> 
> Terry 
> 
> 
>At 06:56 AM 4/21/2001 +0000, you wrote: 
> > 
> > Hello everyone, 
> > 
> > I was just wondering about terrys rd nst circuit. On the 1k ohm resistor, 
> > what should the watt rating be as well as %. Do these figures drastically 
> > change the effectiveness of the protection circiut??? Also, are the
doorknob 
> > cap values of much significance or can the ratings of the caps vary. If so 
> > ,what should the range be??? Thanks 
> > 
> > Thanks 
> > Will McManus 
> > 
> > 
> > ---------- 
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> 
> 
> 
> 


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