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CV452 double diode triode

Size This valve measures 52x17mm overall and has a B7G base.


Heater voltage 6.3V
Heater current 300mA
Max anode voltage 330V
Max diode anode current 1mA
Mutual conductance * 1.2mA/V
Amplification factor * 70
Anode impedance * 58k ohms
Capacitances (without metal screen)
Cag 2.1pF
Cg,c+h 2.3pF
Ca,c+h 1.1pF
Cad,g max 0.025pF

*: At Va=250, Vg=-3; Ia=1mA; Vad' = 0; Vad" = 0.


Pin Function
1 Grid
2 Cathode
3 Heater
4 Heater
5 Diode anode '
6 Diode anode "
7 Anode

This file was last modified 23:10:31, Wednesday February 23, 2022