Virtual Valve Museum
Virtual Valve Museum | Search: (use * for wildcard)
About the museumMuseum exhibitsSupportersDocumentsLinks to other sites, suppliers etc.

CV1937 RF pentode

Size This valve measures 80x32mm overall and has an octal base.


Heater voltage 6.3V
Heater current 300mA
Max anode voltage 300V
Max screen voltage 125V
Max anode dissipation 750mW
Max screen dissipation 100mW
Anode current * 2.0mA
Screen current * 0.5mA
Mutual conductance * 1.25mA/V
Capacitances (shielded)
Cag max 0.005pF
Cge 5.0pF
Cae 12.0pF

*: At Va=250, Vg2=100, Vg1=-3, Vg3=0.

Pin Function
1 Base sleeve
2 Heater
3 Anode
4 Screen grid
5 Suppressor grid
6 no pin
7 Heater
8 Cathode
TC Control grid

This file was last modified 23:10:18, Wednesday February 23, 2022