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CV4109 double triode

Size
This valve measures 47x19mm overall and has a B9A/F base

The EVS sheet for this valve states that the pinning and specs are the same as for CV4108, copied below:

Heater voltage6.3V
Heater current335mA
Max anode voltage100V
Max anode dissipation1.65W
Max heater-cathode voltage-135 to +70V
Max negative grid voltage-110V
Amplification factor *33
Mutual conductance *12.5mA/V
Capacitance (without external shield)
Cag1.4pF
Cin3.3pF
Cout'1.8pF
Cout"1.7pF
Cg' to g" max0.008pF
Ca' to a" max0.060pF


PinFunction
1Anode "
2Grid "
3Cathode "
4Heater
5Heater
6Anode '
7Grid '
8Cathode '
9Shield

CV4109

This file was last modified15:59:18, Tuesday July 02, 2019