STC CV398 / 4B/603E pulse modulator tetrode
 |
This valve measures 152x60mm overall and has a 4 pin base. |
| Heater voltage | 26V |
| Heater current | 2A |
| Max anode voltage | 12kV |
| Max negative grid voltage | -1kV |
| Max peak positive grid voltage | 300V |
| Max screen grid voltage | 1.25kV |
| Max screen grid voltage, Ia=0 | 1.35kV |
| Max anode dissipation | 60W |
| Max screen grid dissipation | 8W |
| Max peak anode current | 15A |
| Capacitances | |
| Cag max | 2pF |
| Cgc | 37pF |
| Cac | 7.5pF |
| Pin | Function |
| 1 | Heater |
| 2 | Screen grid |
| 3 | Control grid |
| 4 | Heater and cathode |
| TC | Anode |
