5-104549-6 is a double-row vertical surface-mount receptacle connector designed for board-to-board interconnection applications within the AMPMODU System 50 connector family. The connector features a glass-filled thermoplastic housing rated 94V-0 with copper alloy contacts that are duplex plated with 0.00003 inches [0.00076 mm] gold in the mating area and 0.00015 inches [0.00381 mm] tin on solder posts, with an entire contact underplated with 0.00005 inches [0.00127 mm] nickel. This 40-position configuration offers a length of 1.130 inches [28.70 mm] and a width of 0.950 inches [24.13 mm], with a depth of 0.400 inches [10.16 mm], providing robust electrical and mechanical performance for high-density interconnection requirements. The receptacle is RoHS compliant and is commonly used in telecommunications, computing, and industrial control applications where reliable board-level connections are essential.