STMicroelectronics

ULN2801A

ULN2801A Description

The ULN2801A is an 8 NPN Darlington Bipolar Transistor Array manufactured by STMicroelectronics. It is designed for high current and high voltage applications, offering excellent performance and reliability. The ULN2801A features a maximum collector current (Ic) of 500mA, a Vce saturation of 1.6V at 500µA and 350mA, and a collector-emitter breakdown voltage of 50V. With a maximum power dissipation of 2.25W, this device is well-suited for demanding applications.

ULN2801A Features

• 8 NPN Darlington configuration for high current gain and voltage amplification
• Maximum collector current (Ic) of 500mA for high current applications
• Vce saturation of 1.6V at 500µA and 350mA for low power consumption
• Collector-emitter breakdown voltage of 50V for high voltage applications
• Maximum power dissipation of 2.25W for reliable operation in demanding environments
• Through-hole mounting type for easy integration into various circuit designs
• Active product status, ensuring ongoing availability and support
• REACH unaffected and RoHS3 compliant, adhering to environmental regulations

ULN2801A Applications

The ULN2801A is ideal for a wide range of applications, including:

1. Motor control and driver circuits, where high current and voltage gains are required
2. Power switching applications, such as relay and solenoid drivers, benefiting from its high current and voltage capabilities
3. Industrial control systems, where reliable and efficient operation is critical
4. Automotive electronics, such as power window and seat control systems, taking advantage of its high voltage and current ratings

Conclusion of ULN2801A

The ULN2801A is a versatile and reliable 8 NPN Darlington Bipolar Transistor Array from STMicroelectronics. Its high current and voltage capabilities, combined with its robust design and compliance with environmental regulations, make it an excellent choice for a wide range of applications. With its unique features and advantages over similar models, the ULN2801A is a valuable component for engineers and designers in the electronics industry.