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

CV4050 reliable RF pentode

CV4050 This valve measures 38x17mm overall and has a B7G/F base.

This is a sharp cut-off RF pentode. The prototype is CV850.

Heater voltage 6.3V
Heater current 175mA
Max anode voltage 200V
Max anode dissipation 1.65W
Max cathode current 20mA
Max screen voltage 155V
Max screen dissipation 0.55W
Max heater-cathode voltage 130V
Mutual conductance * 5.0mA/V
Anode impedance * 340k ohms
Max operating frequency 400MHz
Max bulb temperature 165C
Max shock (short duration) 500g
Max acceleration (continuous operation) 2.5g
Capacitances (with close fitting metal can)
Cag1 max 0.02pF
Cae nom 2.85pF
Cge nom 4.0pF
*: At Va=Vg2=120V , Vg1=-2V


Lead Function
1 Control grid
2 Cathode and suppressor grid
3 Heater
4 Heater
5 Anode
6 Screen grid
7 Cathode and suppressor grid

This file was last modified 23:10:28, Wednesday February 23, 2022