The 6-103916-6 is a double-row vertical unshrouded thru-hole header connector designed for board-to-board interconnection within the AMPMODU System 50 connector family. This 80-position header features a 0.050 x 0.100 inch (1.27 x 2.54 mm) centerline spacing and a dimension A of 2.015 inches (51.18 mm). The contacts are constructed from copper alloy with duplex plating: 0.000030 inch (0.00076 mm) gold in the mating area and 0.000150 inch (0.00381 mm) tin on solder posts, with an entire contact underplated with 0.000050 inch (0.00127 mm) nickel. The housing is made of glass-filled thermoplastic rated 94V-0 for flame retardancy. This connector is ideal for high-density applications requiring reliable board-to-board connections in industrial and commercial electronics, offering excellent contact durability and electrical performance.