The ULN2003AN is a high-voltage, high-current Darlington transistor array. This product is widely used in various applications such as relay and solenoid drivers, stepper motor drivers, display drivers, and LED drivers. It consists of seven NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads. The ULN2003AN is designed to interface between low-level logic and high-voltage/current loads, making it an ideal choice for driving a wide range of loads in industrial and automotive applications. With its excellent performance, reliability, and versatility, the ULN2003AN is a popular choice for circuit designers looking for a high-quality and efficient solution for driving various loads. Whether used in automation, robotics, or consumer electronics, the ULN2003AN stands out as a reliable and cost-effective solution for driving high-power loads.