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CV408 planar triode

Size This valve measures 52x17mm overall and has a B7G base.

See also CV2008 which is a modified version of this valve.

Heater voltage 6.3V
Heater current 490mA
Max anode voltage 250V
Max anode dissipation 2.5W
Mutual conductance 9.0mA/V
Equivalent noise resistance 550 ohms
Input resistance at 45MHz 40k ohms

(At Va=150, Ia=10mA)


Pin Function
1 Grid
2 Cathode
3 Heater
4 Heater
5 n/c
6 i/c
7 Anode

CV408 box

Thanks to John Kaesehagen for donating this valve

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