Mullard ECC33 / CV2821 double triode
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This valve measures 82x31mm overall and has an octal base. |
This is a high slope, low impedance double triode primarily intended for use in flip-flop scaling and computer circuits.
| Heater voltage | 6.3V |
| Heater current | 400mA |
| Max anode voltage, Ia=0 | 500V |
| Max anode voltage | 300V |
| Max anode dissipation | 2x 2.5W |
| Max cathode current | 2x 20mA |
| Pin | Function |
| 1 | Grid 1 |
| 2 | Anode 1 |
| 3 | Cathode 1 |
| 4 | Grid 2 |
| 5 | Anode 2 |
| 6 | Cathode 2 |
| 7 | Heater |
| 8 | Heater |
