5749069-9 is a 100-position vertical receptacle header from the AMPLIMITE .050 Series, designed for high-density D-subminiature connector applications. This connector features through hole tails for PCB mounting and includes rails and latchblocks for secure mating. The housing is made of thermoplastic with 94V-0 flammability rating and SMT compatibility, while contacts are phosphor bronze with duplex gold plating (minimum 0.00076 mm) on the mating end and tin on the solder end. The connector utilizes a compact 0.050 x 0.100 inch (1.27 x 2.54 mm) grid spacing, providing a high-density interface suitable for data and device applications requiring reliable, space-efficient connections.