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GE FG67 mercury vapour thyratron.

FG67 The thyratron measures 175x75mm overall and has a 4-pin base.

The data sheet for this valve indicates use in inverter circuits where a short deionization time is required.

Heater voltage 5.0V
Heater current 4.5A
Heating time 5 mins
Tube drop 10 to 24V
Deionization time 100µs approx
Ionization time 20µs approx
Max PIV 1000V
Max negative grid voltage 500 before conduction
5 after conduction
Max anode current - instantaneous 25 cycles and above 15A
Max anode current - instantaneous below 25 cycles 5A
Max anode current, average 2.5A


FG67

This file was last modified 15:49:42, Saturday November 12, 2011