The ULN2003AN is a high-voltage, high-current Darlington transistor array. It is a versatile and efficient integrated circuit that is commonly used in applications such as relay drivers, stepper motor drivers, and LED display drivers. With its seven high-voltage, high-current Darlington pairs, the ULN2003AN is capable of handling up to 500 mA continuous collector current and 600 mA peak collector current. This makes it ideal for driving a wide range of loads without the need for external components. The ULN2003AN is designed for ease of use and reliability. It features built-in clamp diodes for inductive load protection, and its open-collector outputs are capable of handling a wide range of voltage inputs. This makes it suitable for driving a variety of loads without the need for additional protection circuits. Overall, the ULN2003AN is a cost-effective and reliable solution for driving high-power loads in a wide range of applications. With its high-voltage and high-current capabilities, it provides a robust and efficient solution for controlling a variety of electrical equipment.