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ARP3 pentode

Size This valve measures 115x40mm overall and has a 7 pin base.

This Canadian Marconi is marked specifically as an ARP3 equivalent but carries no other part numbers.

Heater voltage 13V
Heater current 200mA
Max anode voltage 250V
Max screen voltage 125V
Mutual conductance * 1.65mA/V
Anode impedance * 600k ohms
Amplification factor * 1000
Cag max 0.025pF
Cae 13.0pF
Cge 4.7pF

*: At Va=250, Vg2=125, Vg1=3.


Pin Function
1 n/c
2 Anode
3 Suppressor grid
4 Heater
5 Heater
6 Cathode
7 Screen grid
TC Control grid

This file was last modified 15:14:38, Tuesday September 02, 2014