104477-7 is a double-row vertical shrouded header from the AMPMODU System 50 interconnection system, designed for board-to-board applications. This 100-position connector features a 0.050 x 0.100 inch (1.27 x 2.54 mm) centerline spacing with a post length of 0.145 inch (3.68 mm) and dimension A of 2.630 inch (66.80 mm). The housing is constructed from glass-filled thermoplastic rated 94V-0 in black, while the copper alloy contacts feature duplex plating with 0.000030 inch gold in the mating area, 0.000150 inch tin on solder posts, and 0.000050 inch nickel underplating. This RoHS-compliant header is suitable for high-density interconnection applications requiring reliable board-to-board connections.