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CV5809 pentode

Size This valve measures 53x19mm overall and has a B9A base.

This is a special quality, long life, shock and vibration resistant pentode for use as a wide band amplifier. It is equivalent to E810F.

Heater voltage6.3V
Heater current340mA
Max anode voltage250V
Max anode dissipation5W
Max screen voltage200V
Max screen dissipation1W
Mutual conductance *50mA/V
Inner amplification factor57

*: At Va=135, Vg2=165, Ia=35mA

PinFunction
1Cathode
2Control grid
3Cathode
4Heater
5Heater
6Screen grid
7Anode
8Supressor grid and shield
9Screen grid
CV5809