The production date may be different
| Heating voltage, V | 6.3 |
| Anode voltage, V | 600 |
| Voltage on the second grid, V | 300 |
| Bias voltage on the first grid, V | -20 |
| Heating current, mA | 900 |
| Current in the anode circuit at a bias on the first grid minus 20 V, mA | one hundred |
| Current in the anode circuit when biased on the first grid minus 29 V, mA | 36 |
| Current of the second grid at a bias voltage on the first grid minus 20 V, mA | 20 |
| Current in the circuit of the second grid at a bias voltage on the first grid of minus 29 V, mA | four |
| Slope of characteristic, mA/V | 10 |
| The steepness of the characteristic at a voltage on the anode and the second grid of 250 V and a bias voltage on the first grid of minus 14 V, mA/V | 5.9 |
| Output power in the generation mode at a frequency of 120 MHz, W | 40 |
| Output power at a frequency of 15 MHz with an anode current of not more than 100 mA, a first grid current of about 6 mA, a voltage on the second grid of 200 V and a resistance in the first grid circuit of 10 kOhm, W | 33 |
| Insulation resistance between the cathode and the heater at a voltage between the cathode and the heater 200 V, MΩ | 2 |