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VX3353 pulse modulator tetrode

Size This valve measures 75x38mm overall (50mm across the flange)


Heater voltage 1.1V
Heater current 10.3A
Max anode dissipation 7.5W
Max anode voltage 4kV
Max pulse anode current 4A

The base is marked H, C, G and SG - presumably meaning heater/cathode, cathode, grid and screen grid. The above data is from an EEV data book.

This valve is marked VX3353 and No. 73 by hand on both sides of the metal flange.

The construction is unusual, almost as if the valve has been 'potted' in an epoxy shell.

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This file was last modified 15:39:45, Tuesday September 02, 2014