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STC 4102D triode

This valve measures 107x55mm overall and has a 4 pin base. 

Filament current 0.97A
Nominal filament voltage 2V
Max anode voltage 190V
Max anode current 1.5mA
Mutual conductance * 0.5mA/V
Amplification factor * 30
Anode impedance * 60k ohms
Cag 5.6pF
Caf 2.3pF
Cgf 3.8pF

*: At Ia=0.75mA

Pin Function
1 Filament
2 Anode
3 Grid
4 Filament


Donated by The Geelong Radio & Electronics Society Inc.

This file was last modified15:05:54, Tuesday September 02, 2014