CV2243 screened pentode
 |
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 |
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