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RCA CV1959 / 50C5 beam tetrode

Size This valve measures 65x17mm overall and has a B7G base.


Heater voltage 50V
Heater current 150mA
Max anode voltage 150V
Max screen voltage 150V
Max anode dissipation 6W
Max screen dissipation 1.4W
Mutual conductance * 7.5mA/V
Anode impedance * 10k ohms
Max heater/cathode voltage 110V
Capacitances (without screening can)
Cag1 max 0.64pF
Cin 13pF
Cout 6.1pF
*: At Va=Vg2=110, Vg1=-7.5.


Pin Function
1 Cathode + beam plates
2 Control grid
3 Heater
4 Heater
5 Control grid
6 Screen grid
7 Anode

Donated by Chris Colebrook

This file was last modified 15:28:38, Tuesday September 02, 2014