641976-4 is a Universal MATE-N-LOK vertical pin header designed for wire-to-board interconnect applications. This 15-circuit connector features a standard tail polarized configuration with duplex plating finish, which includes a minimum of 0.000030 inch (0.000762 mm) gold in the mating area and matte tin on the solder tail end over a minimum 0.000050 inch (0.00127 mm) nickel underplate. The header has a 0.250 inch (6.35 mm) centerline spacing and an A dimension of 1.300 inches (33.02 mm). It is designed for use with 0.062 inch (1.57 mm) thick PC boards and mates with Universal MATE-N-LOK II plug housing 770023-1 or Universal MATE-N-LOK plug housing 350736-1. This RoHS compliant connector is rated UL94V-0 for flammability and is suitable for power circuit applications in various electronic assemblies.