Virtual Valve Museum

Virtual Valve Museum

HomeFull List

This is an archive website. It will not receive any updates, additions or corrections.

CV4098 RF pentode

The valve measures 37x17mm plus leads, and has 7-wires.


Described as a 'reliable RF pentode', this valve was developed from the CV4011 and replaced the CV5082

Heater voltage 6.3V
Heater current 0.175A
Max anode voltage 200V
Max screen grid voltage 155V
Max suppressor grid voltage 30V
Max anode dissipation 1.65W
Max screen grid dissipation 0.55W
Max heater-cathode voltage +/-100V
Max cathode current 20mA
Max bulb temperature 140C


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