The BD680 from STMicroelectronics is a versatile and robust PNP power Darlington transistor designed for use in a wide range of applications. This semiconductor device is part of the company's extensive Darlington transistor lineup, known for their high current gain and integrated diode for inductive load driving capability.

Key Features

• Monolithic Darlington Configuration: The BD680 features a monolithic construction that pairs two PNP transistors in a Darlington configuration, resulting in high current amplification. This allows for the direct driving of loads with minimal base current requirements.
• High Collector-Emitter Voltage: With a collector-emitter voltage (V<sub>CEO) of 80V, the BD680 can handle a wide range of operating conditions, making it suitable for various electronic circuits.
• Collector Current Capability: This transistor can handle a continuous collector current (I<sub>C) of up to 4A, which is sufficient for powering medium-power circuits.
• Integrated Suppression Diode: The BD680 includes an integrated suppression diode for inductive loads, providing protection against voltage spikes that occur when driving coils, relays, or motors.
• High Power Dissipation: With a power dissipation of up to 40W, the BD680 can accommodate moderately high power applications without overheating.

Applications

The BD680 Darlington transistor is suitable for a variety of applications, including but not limited to:

• Linear and switching industrial equipment
• Power regulators and power amplifiers
• Motor drivers for printers, disk drives, and other actuators
• Relay drivers and high-side switches

Quality and Reliability

As with all STMicroelectronics products, the BD680 is manufactured to the highest quality standards. Its robust design ensures reliable performance even in demanding applications. The device is available in a standard TO-126 package, which is compatible with a wide range of PCB layouts and easy to integrate into existing designs.