RE: ignitron tubes


> wanted to see if anyone in the group has had any experience using 
> ignitron tubes in "big coils",i have a couple that i'm going to use on 
> my 18,000 watt coil, anyone got any ideas?

Ignitrons are mercury vapor switches and the deionization
time is several tens of milliseconds. I've only seen them
used in low rep-rate circuits like at one firing per second
or less. They wouldn't be suitable for switching TCs.