5102159-2 is a right-angle PCB mount pin header designed for ribbon cable interconnection applications. It features 14 positions with 0.025 inch square posts on 0.100 x 0.100 inch centerlines, providing a compact and reliable connection interface. The header has a soldertail length of 0.110 inch (2.79 mm) and is available with contact finish plating code A, making it suitable for universal ejection style applications in military and dual polarized configurations. This pin header is commonly used in data acquisition systems, instrumentation, and computer peripheral interfaces where reliable ribbon cable connections are required, offering compatibility with standard receptacles and strain relief options.