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CV4063 reliable HF pentode

Size This valve measures 51x17mm overall and has a B7G base.

This valve was developed from CV136.

Heater voltage 6.3V
Heater current 200mA
Max heater/cathode voltage +/- 150V
Max g1-g2 voltage DC 300V
Max g1-cathode voltage DC 100V
Max operating anode voltage 300V
Max anode voltage (Ia=0) 550V
Max anode dissipation 4.75W
Max operating screen voltage 275V
Max screen voltage (Ig2=0) 550V
Max screen dissipation 0.8W
Max mean control grid current 3.3mA
Max g1 - cathode resistance for cathode bias 680k ohms
Max g1 - cathode resistance for fixed bias 220k ohms
Max bulb temperature 180C
Max shock (short duration) 500g
Max acceleration (continuous operation) 2.5g
Max operating frequency 100MHz
Inner amplification factor (µg1,g2) 12
Mutual conductance * 2.55mA/V
Anode impedance * 200k ohms
Capacitances (with valve in screen)
Cin (nom) 4.25pF
Cout (nom) 6.5pF
Ca,g (max) 0.3pF

*: At Va=Vg2=250; Vg1=-13.5

Pin Function
1 Control grid
2 Cathode and suppressor grid
3 Heater
4 Heater
5 Anode
6 n/c
7 Screen grid