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CV380 HF pentode

Size This valve measures 76x36mm overall and has a 9 pin base.

 

Heater voltage 6.3V
Heater current 300mA
Max anode voltage 300V
Max screen voltage 300V
Max anode dissipation 3.0W
Max screen dissipation 1.7W
Mutual conductance 7.7mA/V
Anode impedance 500k ohms
Inner amplification factor 80.0
Max operating frequency 300MHz
Capacitances
Cag max 0.02pF
Cae max 6.0pF
Cge max 10.0pF
Cg1 g2 nom 2.1pF

 

Pin Function
1 Heater
2 Anode
3 Screen grid
4 Internal screen
5 Internal screen
6 Control grid
7 Internal screen
8 Internal screen
9 Heater

This valve is a modified CV1136

CV380