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CV4067 reliable beam tetrode

Size This valve measures 46x17mm overall and has a 7 lead base.


Heater voltage 6.3V
Heater current 450mA
Max anode voltage (Ia=0) 550V
Max screen voltage (Ig2=0) 550V
Max anode voltage 250V
Max screen voltage 250V
Max anode dissipation 5.5W
Max screen dissipation 1.1W
Max cathode current 55mA
Max grid - cathode resistance (fixed bias) 100k ohms
Max grid - cathode resistance (cathode bias) 500k ohms
Max bulb temperature 210C
Max shock (short duration) 500g
Max acceleration (continuous operation) 2.5g
Max operating frequency 50MHz
Mutual conductance * 4.8mA/V
Inner amplification factor (µg1g2) 5.5
Capacitances (in close fitting metal shell)
Cin nom 7.0pF
Cout nom 8.75pF
Ca,g1 max 0.1pF

*: At Va=Vg2=120V; Vg1=0

Pin Function
1 Control grid
2 Cathode and beam plates
3 Heater
4 Heater
5 Anode
6 Screen grid
7 Cathode and beam plates

This file was last modified 23:10:29, Wednesday February 23, 2022