RE: Bleeder resisters

["Neil Chambers" <Neil_Chambers-at-xxxxxxxxxxxxxx> (by way of Terry Fritz <twftesla-at-xxxxxxxxxx>)]

So how important is the "working voltage" rating of the resisters? Do I need
to get high voltage ones (>1000V) or will the usual c.250V ones do?

Neil Chambers
Paragon IT Ltd
Tel:  0117 914 1123
Fax: 0117 914 1124
www.paragon-it-dot-com


-----Original Message-----
From: Tesla list [mailto:tesla-at-pupman-dot-com]
Sent: 09 November 2000 22:51
To: tesla-at-pupman-dot-com
Subject: RE: Bleeder resisters


Original poster: "Ted Rosenberg" <Ted.Rosenberg-at-radioshack-dot-com> 

Mike: I can't say you are right or wrong. All I know is these resistors
normally sell for 9 cents in smaller quantities. And the bottom line is all
100 are just fine in the MMC being used in my 900 watt coil under heavy duty
cycles in the haunted house just ended. The coil performed flawlessly 5
hours a night for most of the month. and the entire block of caps never so
much got warm.

Ted

Subject: Re: Bleeder resisters


Original poster: "Mike Harrison" <mike-at-whitewing.co.uk> 

On Thu, 09 Nov 2000 11:36:23 -0700, you wrote:

>Original poster: "Ted Rosenberg" <Ted.Rosenberg-at-radioshack-dot-com> 
>
>Neil:
>Based on what I picked up from Terry, the bleeder resistors are designed to
>allow the MMC to drain its charge so by the time you get to it, the cap
>won't zap you.
>Each one of the 100 - .047 mF 1600 Seacor caps in mine have a 10 Mohm, 1/2W
>carbon film resistor across them. Those resistors came from radioshack-dot-com
>(on-line) and sell for 1 cent each in lots of 100.
1-cent resistors are likely to be metal/carbon film, and may not have
sufficient voltage rating (see recent discussions) - you want metal
glaze if you have more than a couple of hundred voltas across a
resistor.