5786554-9 is a 100-position vertical receptacle header from the AMPLIMITE .050 Series, featuring Action Pin tails for reliable PCB mounting. This high-density D-subminiature connector utilizes gold-plated tab and tuning fork contacts on a compact .050 x .100 inch (1.27 x 2.54 mm) grid spacing. The connector includes rails and latchblocks for secure mating, with a thermoplastic housing rated 94V-0 and SMT compatible. Contacts are phosphor bronze with duplex plating featuring minimum .000030 inch (0.00076 mm) gold on the mating end and tin on the solder end, all nickel underplated. This connector is ideal for data and device applications requiring high-density interconnections with reliable mechanical retention.