5102161-4 is a vertical pin header connector designed for ribbon cable-to-board interconnection in System 50 cable connector applications. It features 20 positions with a 0.185 inch (4.69 mm) solder tail length and plating code A contact finish, providing reliable electrical connections. The connector has a pin length of 0.240 inch (6.10 mm) and is configured for 0.050 inch (1.27 mm) cable pitch mating to 0.050 inch × 0.100 inch 2-row pin header grids. This header is RoHS compliant and suitable for applications requiring standard ribbon cable interconnection in electronic assemblies, including data acquisition systems, industrial control equipment, and consumer electronics where cost-effective, high-density interconnection is needed.