CV3888 / ECH42 triode/hexode
 |
This valve measures 60x21mm overall and has an 8 pin base. |
This valve is intended for use as a frequency changer or phase inverter.
| Heater voltage | 6.3V |
| Heater current | 230mA |
| Max heater-cathode voltage | 100V |
| Hexode section | |
| Max anode voltage (Ia=0) | 550V |
| Max anode voltage | 300V |
| Max anode dissipation | 1.5W |
| Max G2+G4 voltage (Ig2,g4=0) | 550V |
| Max G2+G4 voltage | 300V |
| Max G2+G4 dissipation | 300mW |
| Control grid voltage (Ig1=0.3µA) | -1.3V |
| Max cathode current | 10mA |
| Triode section | |
| Max anode voltage (Ia=0) | 550V |
| Max anode voltage | 175V |
| Max anode dissipation | 800mW |
| Control grid voltage (Ig=0.3µA) | -1.3V |
| Cathode current | 6mA |
| Pin | Function |
| 1 | Heater |
| 2 | Hexode anode |
| 3 | Triode anode |
| 4 | Triode grid+hexode G3 |
| 5 | Hexode G2+G4 |
| 6 | Hexode G1 |
| 7 | Cathode + shield |
| 8 | Heater |
