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CV1189 / NR74 beam tetrode

Size This valve measures 132x50mm overall and has a british 7 pin base.

 

Heater voltage 4V
Heater current 1.75A
Max anode voltage 330V
Max screen voltage 220V
Mutual conductance (Va=Vg2=100, Vg1=0) 8.5mA/V
Anode dissipation 20W
Screen dissipation 3W
Capacitances
Cae 7.0pF
Cge 22.0pF
Cag 1.0pF

 

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

CV1189

NR74

This file was last modified 15:43:16, Tuesday September 02, 2014