| Heater voltage | 6.3V |
| Heater current | 200mA |
| Max heater-cathode voltage | ±150V |
| Max operating anode voltage | 300V |
| Max anode voltage (Ia=0) | 500V |
| Max anode dissipation | 3W |
| Max operating screen voltage | 300V |
| Max screen voltage (Ig2=0) | 300V |
| Max screen dissipation | 700mW |
| Mutual conductance (see note A) | 2.45mA/V |
| Inner amplification factor (µg1 g2) (see note A) | 30 |
| Max grid 1 - cathode resistance for cathode bias | 500k ohms |
| Max grid1 - cathode resistance for fixed bias | 100k ohms |
| Max bulb temperature | 200°C |
| Max shock (short duration) | 500g |
| Max acceleration (continuous operation) | 2.5g |
| Capacitances (measured with close fitting metal screen) |
| Cin (nom) | 4.5pF |
| Cout (nom) | 7.0pF |
| Ca,g1 (max) | 0.01pF |
