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CV2104 diode pentode

Size This valve measures 40x9mm overall and has a B8D base.


Filament voltage 1.25V
Filament current 25mA
Max anode voltage 100V
Max screen voltage 100V
Mutual conductance * 0.4mA/V
Anode impedance * 700k ohms
Anode current * 0.75mA
Screen current * 0.2mA
Nominal input power ** 20mW

*: At Va=Vg2=90V, Vg1=-2.3V

**: At Va=Vg2=90V, Vg1=-2.3V, RL=150k ohms.

Lead Function
1 Anode
2 n/c
3 Control grid
4 Filament -ve, suppressor grid
5 Filament +ve
6 Diode anode
7 n/c
8 Screen grid

This file was last modified 23:10:19, Wednesday February 23, 2022