CV785 / 1T4 variable-µ
HF pentode
 |
This valve measures 52x17mm
overall and has a B7G base. |
Filament voltage |
1.4V |
Filament current |
50mA |
Max anode voltage |
100V |
Max screen voltage |
75V |
Mutual conductance * |
0.9mA/V |
Anode impedance * |
500k ohms |
Anode current * |
3.5mA |
Max cathode current |
6.5mA |
Capacitances
(with close fitting shield conected to fil -ve) |
Cag max |
0.01pF |
Cae |
7.5pF |
Cge |
3.6pF |
*: At Va=90, Vg2=67.5; Vg1=0
Pin |
Function |
1 |
Filament -ve, suppressor
grid, shield |
2 |
Anode |
3 |
Screen grid |
4 |
n/c |
5 |
Filament -ve, suppressor
grid, shield |
6 |
Control grid |
7 |
Filament +ve |
|
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