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AR12 / ZA/5165 triode

Size
This valve measures 110x55mm overall and has a BC4 base

This is a directly heated triode. The 1944 and 1946 CV Registers show this to be equivalent to CV1310. However the 1963 CV Register shows CV1653 as equivalent, and the EVS datasheet for CV1653 shows AR12 as equivalent to it. CV1653 is clearly a later valve but the electrical characteristics are the same.

Filament voltage2V
Filament current250mA
Max anode voltage160V
Mutual conductance0.6mA/V
Amplification factor30
Anode impedance50k ohms


PinFunction
1Grid
2Filament
3Filament
4Anode

Inside view
AR12

This file was last modified15:55:50, Tuesday September 02, 2014