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VT501A / 10E/784 beam tetrode

This valve measures 103x34mm overall and has an octal base

Heater voltage 6.3V
Heater current 800mA
Max anode voltage 300V
Max screen voltage 250V
Max anode dissipation 7.5W
Max screen dissipation 1/3W
Mutual conductance * 3.5mA/V
Grid screen amplification factor 6.7
Cae 2.6pF
Cge 9.1pF
Cag 0.4pF

*: At Va=250, Vg2=135, Vg1=-11, Ia=30mA

Pin Function
1 n/c
2 Heater
3 Beam plates
4 Control grid
5 Screen grid
6 No pin
7 Heater
8 Cathode
TC Anode



This file was last modified15:00:30, Tuesday September 02, 2014