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CV784 / 1S5 diode pentode

Size This valve measures 54x17mm overall and has a B7G base.


Filament voltage 1.4V
Filament current 50mA
Max anode voltage 100V
Max screen voltage 100V
Mutual conductance * 0.63mA/V
Anode impedance * 600k ohms
Anode current * 1.6mA
Screen current * 0.4mA
Max cathode current 5mA
*: Measured at Va=Vg2=67.5V, Vg1=0


Pin Function
1 Filament -ve, Suppressor grid
2 n/c
3 Diode anode
4 Screen grid
5 Anode
6 Control grid
7 Filament +ve
CV784 / 1S5

This file was last modified 23:10:37, Wednesday February 23, 2022