CV2300 pentode
 |
This valve measures 52x17mm
overall and has a B7G base. |
Filament voltage |
2.8V series, 1.4V parallel |
Filament current |
100mA series, 20mA parallel |
Max anode voltage |
165V |
Max screen voltage |
150V |
Max anode dissipation |
2.2W |
Max screen dissipation |
1.0W |
Max cathode current |
27mA |
Mutual conductance * |
2.0mA/V |
Anode impedance * |
100k ohms |
Capacitances
(valve unscreened) |
Cin (nom) |
4.8pF |
Cout (nom) |
4.2pF |
Ca,g1 (max) |
0.35pF |
*: At Va=150, Vg2=90, Vg1=-8.4
(Ia=13.3mA, Ig2=2.3mA)
Pin |
Function |
1 |
Filament ** |
2 |
Anode |
3 |
Screen grid |
4 |
Control grid |
5 |
Filament and suppressor
grid ** |
6 |
Anode |
7 |
Filament +ve |
**: Pin 1 is filament -ve for
2.8V operation, pin 5 is filament -ve for 1.4V. |
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