5102159-4 is a 20-position 2-row pin header connector designed for ribbon cable interconnection with a 0.050" (1.27 mm) pitch. This connector features a soldertail length of 0.110" (2.79 mm) and is compatible with System 50 ribbon cable receptacles, providing reliable cable-to-board connections. The connector is manufactured by TE Connectivity and is RoHS compliant, meeting environmental standards. It is commonly used in applications requiring standard pitch ribbon cable connections for data and signal transmission in electronic equipment, offering a cost-effective solution for interconnecting ribbon cables to PCBs.