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CV121 halfwave rectifier

Size This valve measures 193x50mm overall and has a 4 pin base.


Filament voltage 4V
Filament current 2.1A
Max anode voltage (RMS) 5800V
Max DC output current 75mA
Max working PIV 15.0kV
Max no load PIV 16.5kV
Max peak anode current 600mA
Max reservoir capacitor 0.5µF
Max limiting resistance 2500 ohms
HT switching delay period 10 secs


Pin Function
1 n/c
2 n/c
3 Filament
4 Filament
TC Anode
Top quarter view Bottom quarter view

This file was last modified 23:10:14, Wednesday February 23, 2022