ULN2003AN Darlington transistor array in a DIP-16 package for IC level control - Function A Darlington transistor array that switches inductive loads under low-power control signals from a microcontroller or logic circuit. It acts as a compact IC driver to manage higher current loads. - Compatibility and replacement Suitable as a drop-in replacement for the original ULN2003AN in compatible boards and designs, preserving standard DIP-16 form factor and pinout. - Size and packaging DIP-16 package provides a compact, widely compatible footprint for breadboards, sockets, and PCB layouts. - Performance and reliability Designed for reliable switching performance in a range of applications that require a transistor array to drive inductive loads. - 3 practical use scenarios 1) Drive relay coils in home automation or control panels. 2) Control small DC motors or stepper motor loads from a microcontroller. 3) Switch inductive loads such as solenoids and coils in prototyping or educational kits. - Summary A formal replacement option that delivers dependable, low-drive-current control for higher-current switching tasks, with a familiar DIP-16 Darlington array design.