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STC 3A/107B / CV1655 triode

Size This valve measures 116x45mm overall and has a 4 pin base.


Nominal filament voltage 4.0V
Filament current 250mA
Max anode voltage 190V
Mutual conductance * 1.27mA/V
Amplification factor * 7
Anode impedance * 5500 ohms
Cag max 6.5pF
Cae max 7.0pF
Cge max 9.0pF

*: At Va=130V, Vg=-8V

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


3A/107B / CV1655

This file was last modified 15:38:41, Tuesday September 02, 2014