The ULN2003AN is a high voltage, high current darlington transistor array. It consists of seven NPN darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads. This device is ideal for interfacing between low-level logic and high-current loads. The ULN2003AN is commonly used in applications such as relay drivers, stepper motor drivers, and LED displays. Its high-voltage and high-current capabilities make it suitable for a wide range of industrial and automotive applications. With its integrated diodes, the ULN2003AN provides protection against back electromotive force (EMF), making it a reliable and robust solution for driving inductive loads. Additionally, its 16-pin DIP package allows for easy integration into various electronic circuits. Overall, the ULN2003AN is a versatile and reliable darlington transistor array that provides high-performance and efficiency in driving high-current loads.