6C33C
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| h1.1 | h1.2 | K | P | G | h2.1 | h2.2 |
| Heater Voltage | 6,3 V |
| Heater Current* | 3,3 A |
| mu Factor | 3,2 |
| Transconductance | 40 mA/V |
| Ri | 80 Ohm |
| Cin | 30 pF |
| Cout | 9 pF |
| Maximum Ratings | |
| Plate Voltage | 450 V |
| Plate Dissipation | 60 W |
| Cathode Current | 600 mA |
| Rgrid | - |
*Per Heater