350837-1 is a long-tail socket header contact designed for 15-circuit 5.0 mm power key connectors (5.0 PKC) wire-to-board applications. This component features a pre-tin duplex finish with 0.000030 inches minimum gold plating in the mating area and matte tin on the solder tail end over 0.000050 inches minimum nickel underplate on the entire contact. The socket header is rated UL94V-0 for flammability and is compatible with Universal MATE-N-LOCK II plug housings, providing reliable power circuit connections for home appliances, particularly gas appliances. The long-tail design is specifically intended for use with 0.125 inches (3.18 mm) thick printed circuit boards, offering secure insertion and reliable electrical performance in demanding applications.