[Milsurplus] [ARC5] Followup: HV Fuse in BC-375

[jcoward5452 at aol.com]

I think these "Picofuses" don't have that problem. We use them in our products where I work and have had no adverse problems. Once open they stay open. There is no gas to ionize as these have no glass tube and are a sealed unit from any atmosphere.
 Jay KE6PPF
 



-----Original Message-----
From: w7ksg <w7ksg at q.com>
To: David Stinson <arc5 at ix.netcom.com>
Cc: milsurplus <milsurplus at mailman.qth.net>
Sent: Sat, Oct 8, 2011 2:20 pm
Subject: Re: [Milsurplus] [ARC5] Followup: HV Fuse in BC-375



or all of your hard work you have no protection to your circuits.  You might 
ot have had any problems so far but it is going to end up biting  you in the 
ear end.  Go to the Littlefuse or any other fuse web site and look at their 
use specs.  When you place a 250V fuse in a HV line you have absolutely no 
rotection.  The fuse is designed to MELT the fuse element.  When the fuse
s subjected to a HV the fuse element ionizes and that ionized gas is conductive 
hich means that whatever you are trying to protect is destroyed. You are 
pending twenty five cents to
rotect a several hundred or more piece of equipment. It just doesn't make any 
ense.
So your anology of
LookFineLassaLongTime
aintItGrayandDon'tMessWidIt
might mean
What protected me didn't cost a dime
hould have listened to them all but didn't have the time.
J
7KSG
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