The BD679 from STMicroelectronics is a versatile and robust NPN power Darlington transistor designed for use in a wide range of applications requiring high current and voltage capabilities. This transistor is part of the company's larger BD6xx series and is particularly well-suited for linear and switching applications.

Key Features

• High Current Rating: Capable of handling collector currents up to 4 A, making it suitable for driving high-power loads.
• High Voltage Rating: With a collector-emitter voltage (Vceo) of 80 V, it can be used in circuits with higher operating voltages.
• Medium Power Capability: The BD679 has a power dissipation of 40 W, allowing it to handle moderate power applications efficiently.
• Integrated Diode: Features an internal diode between the collector and emitter for added protection against reverse voltage transients.
• Complementary PNP Type: STMicroelectronics offers a complementary PNP type transistor, making it easier to design push-pull or other complementary configurations.

Applications

The BD679 is commonly used in a variety of electronic circuits and devices. Its high current and voltage handling capabilities make it an excellent choice for:

• Power regulators
• Relay drivers
• Motor controllers
• Audio amplifiers
• Switching applications

Quality and Reliability

STMicroelectronics is known for its commitment to quality and reliability, and the BD679 is no exception. It is manufactured to meet high standards, ensuring consistent performance and durability in even the most demanding conditions.

Easy to Use

The BD679 comes in a TO-126 package, which is a widely used and easily mountable form factor. This makes it straightforward to integrate into existing designs or for use in prototyping and educational projects.

Overall, the BD679 is a reliable and cost-effective solution for designers looking to incorporate a high-performance NPN Darlington transistor into their applications. With its robust features and STMicroelectronics' reputation for quality, the BD679 is a solid choice for your power control needs.