RCA VT133 / 12SR7 double-diode triode
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This valve measures 64x32mm overall and has an octal base |
| Heater voltage |
12.6V |
| Heater current |
150mA |
| Max anode voltage |
275V |
| Max anode dissipation |
2.75W |
| Max diode current |
1mA |
| Pin |
Function |
| 1 |
Shell |
| 2 |
Control grid |
| 3 |
Cathode + shield |
| 4 |
Diode 1 anode |
| 5 |
Diode 2 anode |
| 6 |
Triode anode |
| 7 |
Heater |
| 8 |
Heater |
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