help with 3-500z tube - Page 3

#21

October 17th 03, 01:54 PM

Frank Dinger

Posts: n/a

Also I know it is a 5 volt tube
and 14.5 amp.do I really need that much to make it glow? Would 12 volt
work?
======
Having a 5 volts filament ,requiring 14.5 Amperes ,would make it a nice 70 +
Watts (anti-condensation) heater.

Applying 12V would turn it in a 'RIP state' within a few seconds.

Frank GM0CSZ / KN6WH

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