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CV4065 reliable low impedance pentode

Size This valve measures 61x17mm overall and has a B7G/F base

This is the fly-lead version of the CV4062.

Heater voltage 6.3V
Heater current 0.635A
Pentode connected
Max anode voltage (Ia=0) 500V
Max screen voltage 300V
Max anode dissipation 9W
Max screen dissipation 3W
Max heater-cathode voltage 150V
Mutual conductance
(Va=Vg2=165V; Ia=55mA) 9.5mA/V
Amplification factor 220
Anode impedance 23k ohm
Triode connected
Max anode+screen voltage 300V
Max anode+screen dissipation 12W
Mutual conductance (Va=Vg2=165V; Ia=65mA) 12mA/V
Amplification factor 10
Anode impedance 835 ohm
Capacitances (measured without close fitting metal shield)
C in (nom) 10pF
C out (nom) 8.5pF
Ca,g1 (max) 0.5pF


Lead Function
1 Control grid
2 Cathode + suppressor grid
3 Heater
4 Heater
5 Anode
6 i/c
7 Screen grid