BASIC DATA Electrical
Parameters |
Heater voltage, V |
12.6 |
Heater current, A |
0.6-0.85 |
Mutual conductance (at anode voltage 800 V,
grid 2 voltage 250 V, grid 1 voltage increment 5 V, anode current 50 mA),
mA/V |
3-5.5 |
Bias voltage at operating point, V |
25-55 |
Penetration factor of grid 1 relative to grid
2, % |
16-26 |
Interelectrode
capacitance, pF: |
input, at most |
13-15 |
output, at most |
10.3 |
transfer, at most |
0.1 |
Output power, W,
max.: |
at anode voltage 800 V, grid 2 voltage 250 V,
grid 1 voltage -100 V, anode current, at most 150 mA |
55 |
over 1,750 h of service |
40 |