Mike, If you bought a bunch of these resistors for resale, count me in for purchasing four or five spares from you.
Dick KC9UB ----- Original Message ----- From: Mike Bryce To: [EMAIL PROTECTED] Sent: Tuesday, November 06, 2007 2:03 PM Subject: Re: [drakelist] IRC .82ohm 2W SPH resistor the reason is not really clear.. but here goes if there is a fault in one or both of the tubes, or a short circuit someplace on the +2700 volt line this resistor acts like a fuse and pops open. the problem is that nasty 2700 volts! as the resistor opens up, the voltage will simply jump over the now carbonized resistor. in fact, it would be more accurate to call it a high voltage fuse instead of a resistor! aside from the voltage it has to carry, it must be able to conduct the necessary current as well. that's why is a special critter... and very hard to come by. perhaps I could purchase some from the one company via my heathkit shop since they won't sell to anyone not in the trade?? Mike, WB8VGE SunLight Energy Systems The Heathkit Shop http://www.theheathkitshop.com/ J e e p o|||||||o Note: No trees were killed in the sending of this message, but a large number of electrons were terribly inconvenienced On Nov 6, 2007, at 1:42 PM, Tom Bowman wrote: Hi, Where is the resistor being used in the circuit? Any idea why a 1 Ohm, 5% SPH resistor 66-SPH1R00JLF Mouser, would not work? 73, tom, WA3REY On Nov 6, 2007 12:49 PM, MT <[EMAIL PROTECTED]> wrote:
