104477-9 is a double row shrouded thru-hole header designed for board-to-board interconnection applications. This 60-position connector features a 0.050 x 0.100 inch (1.27 x 2.54 mm) centerline pitch with a post length of 0.145 inch (3.68 mm) and dimension A of 1.630 inch (41.40 mm). The contacts are made of copper alloy with duplex plating featuring 0.000030 inch (0.00076 mm) gold in the mating area, 0.000150 inch (0.00381 mm) tin on solder posts, and 0.000050 inch (0.00127 mm) nickel underplating. This RoHS compliant header is part of the AMPMODU Interconnection System and is suitable for applications requiring reliable board-to-board connections with solder clip mounting options.