The Amphenol 81-244511-3S is a D-Subminiature high-density connector, also called a HD44 male connector. It is 15, 25, 37 or 50-pin, has screw-lock termination, and has a standard durability rating of 250 mating cycles. It is suitable for use in a variety of applications such as computer, industrial, medical, and automotive. It features a rugged design that can withstand strong outside forces and shock, and has a robust shell housing that offers superior electromagnetic interference (EMI) protection.