ON Semiconductor
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General-purpose NPN bipolar transistor, 45V, 100mA — the default small-signal switch.
| Part number | BC547B |
|---|---|
| Manufacturer | ON Semiconductor |
| Category | Discrete Semiconductors › Transistors (BJT) |
| Package | TO-92 |
| Pins | 3 |
| Value | BC547B |
| Voltage (max) | 45 V |
| Current | 100 mA |
BC547B pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | C | passive | Collector |
| 2 | B | input | Base — drive through a resistor |
| 3 | E | passive | Emitter |
Schematic symbol and footprint
Schematic symbol
Footprint: TO-92 — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.