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CV1251 / NT90 silica triode

Top detail
This valve measures 420x95mm (max) across the glassware and 480x150 (max) overall.

This is a triode made using silica glass.

Filament voltage33V
Filament current20A
Max anode voltage10kV
Max anode current1A
Max anode dissipation6kW
Mutual conductance5.3mA/V
Amplification factor25
Anode impedance4700 ohms

Anode section Anode details

Top quarter view
Bottom quarter