STC CV4064 / S6F33 reliable HF pentode with a limiting diode connected to G3
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This valve measures 52x16mm overall and has a B7G base. |
The prototype of this valve is the CV2209. See also CV4083.
| Heater voltage | 6.3V |
| Heater current | 350mA |
| Max heater cathode voltage | +/-150V |
| Max operating anode voltage | 300V |
| Max anode voltage (Ia=0) | 550V |
| Max operating screen voltage | 300V |
| Max screen voltage (Ig2=0) | 400V |
| Max anode dissipation | 3.0W |
| Max screen dissipation | 1.5W |
| Max bulb temperature | 200C |
| Max shock (short duration) | 500g |
| Max acceleration (continuous operation) | 2.5g |
| Inner amplification factor | 42 |
| Mutual conductance | 4.0mA/V |
| Capacitances | |
| Cin nom | 7.55pF |
| Cout nom | 4.55pF |
| Ca-g1 max | 0.015pF |
| Pin | Function |
| 1 | Control grid |
| 2 | Cathode |
| 3 | Heater |
| 4 | Heater |
| 5 | Anode |
| 6 | Suppressor grid + diode |
| 7 | Screen grid |
