Mullard ECC33 / CV2821 double
triode
 |
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 |
|
 |