The 1-5102154-1 is a 2-row pin header connector designed for System 50 cable-to-board interconnect applications with a 0.025" [0.64 mm] ribbon cable pitch. This connector mates with 0.050" x 0.100" 2-row pin header grids and is available in multiple position configurations ranging from 10 to 64 positions, with corresponding dimensional variations. The product features a soldertail length of 0.110" [2.79 mm] and is manufactured with contact finish code B plating. The connector is RoHS compliant and designed for reliable interconnection in ribbon cable applications, commonly used in data acquisition systems, industrial control equipment, and legacy computing interfaces where standardized pitch and grid spacing are required.