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CV2638 mercury-argon thyratron

Size This valve measures 160x50mm overall and has an octal base.


Filament voltage 2.5V
Filament current 7.0A
Max PIV 1250V
Max peak forward voltage 1250V
Max peak anode current 6A
Mean anode current 1.5A
Max instantaneous control grid current 50mA
Min cathode heating time 15s
Max operating frequency 150Hz
Min temperature of mercury -55C


Pin Function
1, 2 Filament
3 no pin
4 Control grid
5 no pin
6 no pin
7, 8 Filament
TC Anode
Top quarter view