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

CV3908 pentode

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

This is a sharp-cutoff pentode designed for use as a high-gain RF or IF amplifier.

Heater voltage 6.3V
Heater current 150mA
Max anode voltage 300V
Max screen voltage 300V
Max anode dissipation 3.0W
Max screen dissipation 500mW
Max heater-cathode voltage +/- 90V


Pin Function
1 Control grid
2 Cathode
3 Heater
4 Heater
5 Anode
6 Screen grid
7 Suppressor grid + shield

This file was last modified 23:10:27, Wednesday February 23, 2022