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CV1699 RF pentode

This valve is based on the SP41 and is also marked SP41.

Size This valve measures 92x30mm overall and has a Mazda Octal base

 

Heater voltage4.0V
Nominal heater current950mA
Max anode voltage250V
Max screen voltage250V
Mutual conductance *8.5mA/V
Capacitances
Cag max0.02pF
Cae max6.0pF
Cge max12.0pF

*: At Va=200, Vg1=-1.5, Vg2=200

Pin Function
1Heater
2Cathode
3Anode
4Screen grid
5Suppressor grid
6Metallising
7No pin
8Heater
TCControl grid
 CV1699