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VT45 triode

Size This valve measures 106x43mm overall and has a B4 base.


Filament voltage 2V
Filament current 440mA
Max anode voltage 300V
Max anode dissipation 3.5W
Mutual conductance * 2.7mA/V
Amplification factor * 10.8
Anode impedance * 4k ohms
Max operating frequency 20MHz
Caf 3.75pF
Cgf 4.75pF
Cag 5.3pF

*: Va=200, Vg=-10, Ia=15.5mA

Inside view
This valve actually has two grids, the outer being strapped internally to the anode.

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

This file was last modified 15:43:45, Tuesday September 02, 2014