5102154-3 is a 16-position straight PCB-mount pin header designed for ribbon cable interconnection applications. It features 0.100 inch (2.54 mm) centerline spacing and a 2.79 inch (70.9 mm) soldertail length, with 0.025 inch (0.64 mm) square posts at the mating end. The connector is RoHS compliant and available with contact plating finish code B. This pin header mates with compatible ribbon cable receptacles and is commonly used in System 50 cable-to-board interconnect solutions for applications requiring reliable, high-density signal transmission. The standardized dimensions and spacing ensure compatibility with industry-standard PCB layouts and mating connectors.