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BTH CV372 (BT79) hydrogen thyratron

Size This valve measures 120x38mm overall and has a 4-pin base


Heater voltage 6.3V
Heater current 2.7A
Max peak anode voltage 3kV
Max anode PIV (no load) 2kV
Max anode striking voltage for reliable operation 800V
Max grid PIV 200V
Max peak anode current DC 35A
Max mean anode current DC 45mA
Max pulse duration 6µs

The EVS data indicates this valve was replaced by the CV6007.

Pin Function
1 Heater
2 Cathode
3 grid
4 Heater and cathode
TC Anode


top quarter bottom quarter
The valve carries the serial number N5872 on the glass