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CV2243 screened pentode

Size This valve measures 54x19mm overall and has a B9A base.

The prototype of this valve is PSG8 - it is similar in characteristics to 6F14.

Heater voltage 6.3V
Heater current 350mA
Max anode voltage 300V
Max screen voltage 300V
Max anode dissipation 4.5W
Max screen dissipation 1.2W
Mutual conductance (At Va=200, Vg2=115, Vg1=-2) 8.4mA/V
Max heater cathode voltage 150V
Max cathode current 35mA
Amplification factor 33
Input resistance at 50MHz (Va=Vg2=150) 2800 ohms
Capacitances
Ca, g1 max 0.01pF
Cin max 8.7pF
Cout max 4.5pF

 

Pin Function
1 Screen
2 Control grid
3 Cathode
4 Heater
5 Heater
6 Screen
7 Anode
8 Screen grid
9 Suppressor grid

CV2243

Donated by Chris Colebrook

This file was last modified 15:32:42, Tuesday September 02, 2014