The BD682 from STMicroelectronics is a PNP Darlington transistor that is designed for use in power amplification and switching applications. This semiconductor device is known for its high current gain and is commonly utilized in various electronic circuits where a significant amplification of the input signal is required.

Key Features

• Monolithic Darlington Configuration: The BD682 features a monolithic construction that integrates two PNP transistors in a single package, providing a high current gain even at low base currents.
• High Collector-Emitter Voltage: With a collector-emitter voltage (V<sub>CEO) of 100V, this transistor can handle moderate voltage applications while maintaining stable operation.
• Collector Current: It has a continuous collector current (I<sub>C) rating of up to 4A, making it suitable for driving medium power loads.
• Supplementary Power Dissipation: The BD682 can dissipate up to 40W of power, which is essential for maintaining thermal stability during operation.
• Complementary NPN Type: It has a complementary NPN counterpart, allowing designers to implement push-pull configurations for more efficient power conversion.

Applications

The BD682 is versatile and can be used in a variety of applications, including:

• Power regulators
• Audio amplifiers
• Motor control circuits
• Switching power supplies
• Relay drivers

Quality and Reliability

STMicroelectronics is known for its commitment to quality, and the BD682 is no exception. It is manufactured to meet high standards of performance and reliability, ensuring that it performs consistently across various conditions and applications.

Package Details

The BD682 is available in a TO-126 package, which is designed for through-hole mounting. This package type is widely used and is well-suited for prototyping as well as commercial production.

For detailed specifications and application notes, designers and engineers are encouraged to consult the BD682 datasheet available on the STMicroelectronics website or through authorized distributors.