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NR52 triode

Size
This valve measures 105x40mm overall and has a B5 base

Heater voltage4V
Heater current650mA
Max anode voltage250V
Mutual conductance *3.5mA/V
Amplification factor *40
Anode impedance *11.5k ohms
Capacitances
Cag3.3pF
Cgc5.3pF
Cac4.2pF

*: At Va=250, Vg=-4.5V
PinFunction
1Anode
2Grid
3Heater
4Heater
5Cathode + metallising

NR52

This file was last modified14:44:41, Tuesday September 02, 2014