104666-6 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 pitch 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 with a black finish and UL 94V-0 flammability rating. Contacts are made of copper alloy with duplex plating featuring 0.000030 inch gold in the mating area, 0.000150 inch tin on solder posts, and 0.000050 inch nickel underplating throughout. This RoHS compliant connector is ideal for high-density board-to-board interconnection applications requiring reliable signal transmission.