5-103911-2 is a 20-position double row board mount receptacle from the AMPMODU System 50 interconnection system, designed for cable-to-board and board-to-board applications. The receptacle features a glass-filled thermoplastic housing rated UL 94V-0 and copper alloy contacts with duplex plating of 0.000030 inch gold in the mating area and 0.000150 inch tin on solder posts, with 0.000050 inch nickel underplating. It has a 0.050 x 0.100 inch (1.27 x 2.54 mm) centerline spacing and includes solder clips for secure board mounting. With a Dimension A of 0.544 inch (13.82 mm), this receptacle is RoHS compliant and mates with AMPMODU System 50 shrouded headers. This connector is ideal for reliable interconnection in electronic assemblies requiring compact, high-density connections.