The BD140 is a PNP Epitaxial Planar Transistor that is mounted in the SOT-32 plastic package. They are designed for audio amplifiers and drivers utilizing complementary or quasi-complementary circuits. The NPN complement is BD139 and this transistor comes with a VCE of -80V and a continuous collector current of -1.5A. It can be used as a small signal switching transistor. Moreover, it has a low base voltage of -5V.
BD140 Pinout Configuration
|
Pin Number |
Pin Name |
Pin Description |
|
1 |
Emitter |
Current Drains out through emitter, normally connected to ground |
|
2 |
Collector |
Current flows in through collector, normally connected to load |
|
3 |
Base |
Controls the biasing of the transistor, used to turn ON or OFF the transistor. |
Features and Specifications
- Bi-Polar PNP Transistor
- Continuous Collector current (IC) is -1.5A
- Collector-Emitter voltage (VCE) is- 80 V
- Collector-Base voltage (VCB) is- 80V
- Base Current (Ib) is -0.5A
- Emitter Base Breakdown Voltage (VBE) is -5V
- DC current gain (hfe) is 40 to 160
- Available in To-225 and SOT-32 Package
- Collector Dissipation: 12.5 W
- Operating Junction Temperature Max (Tj): 150°C
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