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EEV 8503 / CV6022 thyratron

Size This valve measures 220x65mm overall and has a 4 pin super jumbo base


This is a ruggedised hydrogen thyratron based on the 5C22.

Heater voltage 6.3V
Heater current 9.6 to 11.6A
Min heating time 300s
Starting anode voltage 4.5kV
Max anode voltage 16kV
Max PIV 16kV
Max rate of rise of anode current 1500A/µs
Peak anode current 325A
Max average anode current 200mA


Pin Function
1 Grid
2 Heater/cathode
3 Heater
4 Heater/cathode
TC Anode