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NGT7 / CV1147 mercury vapour thyratron

Size This valve measures 180x82mm overall and has a 4 pin base.

 

Heater voltage 5.0V
Heater current 5.0A
Max peak forward anode voltage 1kV
Max peak anode current 12.5A
Minimum grid control ratio 63
Ambient temperature range 15 to 40C
Max peak anode current at frequencies below 25Hz 5A

 

Pin Function
1 Heater
2 Heater/Cathode
3 Grid
4 Connected to pin 2
TC Anode
NGT7
Top quarter view Bottom quarter view