5747846-3 is a right-angle posted subminiature D connector receptacle designed for PCB mounting applications. It features 25 contact positions in shell size 3, with dimensions of 2.088 inches (53.04 mm) length and 1.852 inches (47.04 mm) width, and is preloaded with size 20 DF posted socket contacts. The connector is equipped with boardlock mounting hardware and threaded inserts for secure attachment to printed circuit boards with a recommended thickness of 0.062 inches (1.58 mm). Contact plating is specified as finish code A (gold on mating end, tin on termination end with nickel underplate), providing reliable electrical performance and corrosion resistance. This connector is commonly used in industrial instrumentation, data acquisition systems, and telecommunications equipment where compact, high-density interconnections are required.