Filament voltage | 6.3 ± 0.6V |
Filament current | 600 ± 50 mA |
Nominal anode voltage (constant) | 250 V |
Anode limit voltage (constant) | 300 V |
Anode current of each triode | 7.5 ± 1.5 mA |
Cathode current of each triode limiting | 25 mA |
Grid voltage at anode current of 10 μA | -20 V |
Reverse grid current | 0.5 μA |
Limit voltage between cathode and heater (constant) | 250 V |
Power dissipated by each anode, limiting | 2.2 watts |
Slope characteristic of each triode | 4.45 ± 0.65 mA / V |
Voltage between anodes | no more than 2.5 V |
Gain of each triode | 35 ± 7 |
Resistance in the circuit of each cathode for automatic bias | 600 ohm |
Limiting resistance in the grid chain | 1 MOhm |
Input capacity of each triode | 3.1 ± 1.1 pF |
Output capacity of the first triode | 1.75 ± 0.35 pF |
Output capacity of the second triode | 1.95 ± 0.35 pF |
Throughput capacity of each triode | no more than 2.2 pF |
Capacity between anodes | no more than 0.2 pF |
Registration | glass miniature |