United Electron CV136 HF pentode
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This valve measures 53x17mm overall and has a B7G base. |
See also CV4063 which was developed from this valve, and CV2002 and CV2003 which are versions with a modified base
| Heater voltage | 6.3V |
| Heater current | 200mA |
| Max operating anode voltage | 300V |
| Max operating screen voltage | 275V |
| Max anode dissipation | 4.75W |
| Max screen dissipation | 0.8W |
| Max operating frequency for 100% rating | 100MHz |
| Max heater-cathode voltage | 150V + or - |
| Max grid-screen voltage | 300V |
| Max grid-cathode voltage | 100V |
| Max mean grid current | 3.5mA |
| Mutual conductance (Va=Vg2=250V; Ia=16mA; Vg=-13.5V) |
2.6mA/V |
| Inner amplification factor | 12.0 |
| Capacitances (with valve in screen) | |
| Cin (nom) | 4.25pF |
| Cout (nom) | 6.5pF |
| Ca,g (max) | 0.3pF |
| Pin | Function |
| 1 | Control grid |
| 2 | Cathode and suppressor grid |
| 3 | Heater |
| 4 | Heater |
| 5 | Anode |
| 6 | n/c |
| 7 | Screen grid |
