499141-4 is a universal ejection pin header connector from the AMP-LATCH product line, designed for ribbon cable interconnect applications. This preloaded header features 20 positions with a 2.54 x 2.54 mm (0.100 x 0.100 in) centerline matrix and square contacts with gold (30) plating on the mating area. The housing is constructed from glass-filled thermoplastic material in black with a UL 94V-0 flammability rating. It offers a post length of 2.79 mm (0.110 in) and tin-lead solder tail contact plating, with wave solder capability up to 265°C. This connector is ideal for PCB applications with a recommended board thickness of 1.57 mm (0.062 in) and is EU RoHS/ELV compliant.