BD140 PNP Power Transistor

Overview

BD140 PNP Power Transistor

The BD140 is a PNP bipolar junction transistor (BJT) widely used in amplifier circuits, motor drivers, and voltage regulation applications. It is a high-current, medium-power transistor with excellent switching and amplification characteristics, making it a popular choice in various electronic circuits.

---

Key Features:

• Medium Power Dissipation: Handles up to 12.5W of power.
• High Collector Current: Supports up to 1.5A.
• Wide Voltage Range: Operates up to 80V collector-emitter voltage.
• Complementary Pair: Works well with the BD139 (NPN) for push-pull amplifier applications.
• Reliable Performance: Commonly used in audio amplification and motor control.

---

Specifications:

• Transistor Type: PNP
• Collector-Emitter Voltage (Vce): 80V
• Collector-Base Voltage (Vcb): 80V
• Emitter-Base Voltage (Veb): 5V
• Collector Current (Ic): 1.5A
• Power Dissipation (Ptot): 12.5W
• DC Current Gain (hFE): 40 - 250
• Package Type: TO-126

---

Applications:

• Audio Power Amplifiers: Used in class AB and class B amplifiers.
• Motor Drivers: Suitable for controlling small motors and actuators.
• Switching Circuits: Ideal for low-frequency switching applications.
• Voltage Regulators: Helps in power regulation circuits.

---

Package Includes:

• 1 x BD140 PNP Power Transistor

---

The BD140 is a versatile and efficient power transistor used in audio amplification, motor control, and power switching applications. Its high current gain, moderate power dissipation, and complementary pairing with BD139 make it an essential component for many electronic projects.