The 350825-4 is a 4-position vertical socket header for wire-to-board applications within the Universal MATE-N-LOK connector family. It is designed for an in-line configuration with a .250 inch (6.35 mm) centerline spacing and features a polarized design for correct mating. The housing is made from UL94V-0 rated nylon, and the phosphor bronze contacts have a duplex plating with gold in the mating area and tin on the standard-length solder tails. Rated for 600V AC/DC, this connector system is engineered for high-reliability applications where robust and secure connections are critical.