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VR505 / MH41 / 10E/631 triode

Size
This valve measures 107x42mm overall and has a B5 base.

Heater voltage4V
Heater current1A
Max anode voltage250V
Mutual conductance6.0mA/V *
Anode impedance13.5k ohms *
Amplification factor80 *
*: At Va=100, Vg=0

PinFunction
1Anode
2Grid
3Heater
4Heater
5Cathode

VR505

This file was last modified14:44:10, Tuesday September 02, 2014