BD139 NPN Bipolar Medium Power Transistor 80V 1.5A TO-126 Package Pack 10

The BD139 is a versatile NPN bipolar medium power transistor designed for a wide range of electronic applications. It offers a balance of power handling capabilities and ease of use, making it suitable for both hobbyists and professionals.

Key Features:

• NPN Bipolar Transistor: Provides amplification and switching capabilities.
• Medium Power Rating: Handles up to 1.5A of continuous collector current and 80V between collector and emitter.
• TO-126 Package: A common package type for discrete transistors, providing a standard pinout and mounting configuration.
• High Reliability: Ensures consistent performance and durability.
• Versatile Applications: Suitable for various electronic circuits.

Applications:

• Audio amplifiers
• Power supplies
• Motor control
• Switching circuits
• General-purpose electronics

Specifications:

• Collector-Emitter Voltage : 80V (max)
• Collector Current : 1.5A (max)
• Base Current : 50mA (typical)
• DC Current Gain : 200-300 (typical)
• Power Dissipation: 0.65W (at 25°C)