Re: MOV's

• To: tesla-at-pupman-dot-com
• Subject: Re: MOV's
• From: "Paul Eugene Kidwell" <tmb-at-ieee-dot-org> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Wed, 23 Feb 2000 19:56:52 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

> Original Poster: Terry Fritz <twftesla-at-uswest-dot-net>
> 
> Hi Chris,
> 
> At 07:31 PM 02/22/2000 +0000, you wrote:
> >Do they reset after use? or simply short out and need to be replaced.
> 
> They go back to high resistance the instant the voltage goes bellow their
> rated voltage.  they can take millions of hits.  In a current limited NST
> situation. they will last forever as long as they don't overheat.

Unless, of course, you accidently put about 10 times their rated voltage
across them.
At which point, they explode..... LOUDLY!

(I *still* have a scorch mark on my lab bench from *that* little mistake
:)

Later!
Paul

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