Interactive chip reference
BC547 TO-92-3 pinout
BC547 3-pin TO-92-3 pinout. General-purpose NPN BJT — TO-92, 100mA, 45V Vceo, hFE 110–800
Pin reference
| Pin | Name | Function | Group |
|---|---|---|---|
| 1 | C | Collector — switched output, sinks load current | output |
| 2 | B | Base — control input (IB drives IC≈hFE×IB) | control |
| 3 | E | Emitter — current output, typically to GND | ground |
View the interactive BC547 package diagram and labeled pin details on WhichPin.