5745781-2 is a subminiature D-type right-angle posted receptacle connector designed for board-mount applications. It features 9 contact positions with shell size 1, dimensions of 1.213 inches (30.81 mm) length and 0.984 inches (24.99 mm) width, and is equipped with 4-40 threaded inserts for secure mounting. The connector includes preloaded size 20 DF posted socket contacts with contact finish plating code A (gold flash on mating end, tin on termination end, with nickel underplate). The recommended PCB board thickness is 0.093 inches (2.36 mm) maximum, and the connector accommodates a 0.125 inch (3.18 mm) post length. This connector is ideal for applications requiring reliable, compact interconnections in industrial control systems, telecommunications equipment, and data acquisition systems where space constraints and high-density contact arrangements are critical.