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BD140 datasheet | pinout, equivalent & transistor circuit | price & pdf STMicroelectronics
- Transistor Type: PNP
- Current-Collector(Ic)(Max): 1.5 A
- Voltage-Collector Emitter Breakdown (Max): 80 V
- Package: TO-225AA, TO-126-3
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BD140
BD140 Pinout
BD140 Pinout Diagram
The BD140 is a PNP transistor commonly used for amplification and switching applications. It features three main terminals: the Base (B), Collector (C), and Emitter (E). The pinout configuration is designed to control the flow of current and manage the transistor’s switching behavior in various electronic circuits.
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | Base (B) | The base terminal controls the current flow between the collector and emitter. It is used to turn the transistor on or off. |
| 2 | Collector (C) | The collector terminal is where the majority of the current flows through the transistor. It’s connected to the load. |
| 3 | Emitter (E) | The emitter terminal is the output for the current and is connected to the negative side of the circuit. |
In conclusion, the BD140’s pinout configuration is fundamental to its proper functioning in a circuit. The base, collector, and emitter work together to control the current flow, making the transistor ideal for use in power control and amplification tasks.
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