CV380 HF pentode
 |
This valve measures 76x36mm
overall and has a 9 pin base. |
| Heater voltage |
6.3V |
| Heater current |
300mA |
| Max anode voltage |
300V |
| Max screen voltage |
300V |
| Max anode dissipation |
3.0W |
| Max screen dissipation |
1.7W |
| Mutual conductance |
7.7mA/V |
| Anode impedance |
500k ohms |
| Inner amplification factor |
80.0 |
| Max operating frequency |
300MHz |
| Capacitances |
| Cag max |
0.02pF |
| Cae max |
6.0pF |
| Cge max |
10.0pF |
| Cg1 g2 nom |
2.1pF |
| Pin |
Function |
| 1 |
Heater |
| 2 |
Anode |
| 3 |
Screen grid |
| 4 |
Internal screen |
| 5 |
Internal screen |
| 6 |
Control grid |
| 7 |
Internal screen |
| 8 |
Internal screen |
| 9 |
Heater |
This valve is a modified EF54 |
 |
