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STC CV4040 / S6F17 reliable pulse tetrode

Size This valve measures 50x17mm overall and has a B7G base.

This valve was developed from CV416.

Heater voltage 6.3V
Heater current 300mA
Max anode voltage 600V
Max anode dissipation 3.5W
Max screen voltage 600V
Max screen dissipation 0.7W
Max heater/cathode voltage 100V
Mutual conductance (Va=Vg2=250; Vg1=-6.25) 8.3mA/V
Max bulb temperature 165C
Max shock (short duration) 500g
Max acceleration (continuous operation) 2.5g
Cin nom 6.2pF
Cout nom 5.2pF
Ca, g1 nom 0.03pF


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

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