Description
BD140 PNP Power Transistor
The BD140 is a high-quality PNP power transistor designed for
medium-power amplification and switching applications. It is widely used in
audio amplifier circuits, power supplies, and general-purpose electronic designs
due to its stable performance and high reliability.
Housed in a TO-126 package, the BD140 offers efficient heat
dissipation, allowing safe operation under continuous load conditions.
Its low noise characteristics and fast switching response make it an excellent
choice for audio and driver circuits.
Key Features
- PNP type power transistor
- High current handling capability
- Low saturation voltage
- Good thermal stability
- Fast and reliable switching performance
Technical Specifications
- Transistor Type: PNP
- Package: TO-126
- Collector-Emitter Voltage (VCEO): −80V
- Collector Current (IC): −1.5A
- Total Power Dissipation: 12.5W
- DC Current Gain (hFE): 40 – 250
Applications
- Audio power amplifier circuits
- Voltage regulators
- Power supply designs
- Relay and motor driver circuits
- DIY electronics and educational projects
Package Includes
- 1 × BD140 PNP Power Transistor
Note: Use a suitable heat sink when operating the transistor
at high current or continuous power levels.
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