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STC CV1653 / 3A/108A triode

Size This valve measures 112x45mm overall and has a 4-pin BC4 base.


Filament current 250mA
Nominal filament voltage 2V
Max anode voltage 160V
Mutual conductance * 0.6mA/V
Amplification factor * 30
Anode impedance * 50k ohms
Cag max 7pF
Cae max 5pF
Cge max 7pF

*: At Va=130, Vg=-1.5.


Pin Function
1 Grid
2 Filament -ve
3 Filament +ve
4 Anode

Donated by Bryan Lonsdale

This file was last modified 23:10:16, Wednesday February 23, 2022