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VR125 / 10E/25 HF pentode

Size
This valve measures 125x45mm overall and has a B7 base

Heater voltage4V
Heater current1A
Max anode voltage250V
Max screen voltage125V
Max anode dissipation3W
Max screen dissipation1W
Max grid resistance3M ohms
Mutual conductance *2.8mA/V
Anode impedance *600k ohms
Capacitances
Cae9.0pF
Cge9.0pF
Cag max0.005pF

*: At Va=250, Vg2=125, Vg1=-2, Ia=5.4mA
PinFunction
1Metallising
2Anode
3Suppressor grid
4Heater
5Heater
6Cathode
7Screen grid
TCControl grid

VR125

This file was last modified15:40:23, Tuesday September 02, 2014