350790-1 is a 3-circuit vertical pin header with long tail designed for PCB mounting applications within the Universal MATE-N-LOK connector series. This header features a pre-tin plated finish and an A dimension of 0.800 inches (20.32 mm), with a long tail length of 0.235 inches (5.97 mm) suitable for 0.125 inch (3.18 mm) thick PC boards. The connector is rated UL94V-0 for flammability and mates with plug housings such as 770018-1 (Universal MATE-N-LOK II) and 350766-1 (Universal MATE-N-LOK) using socket contacts. This wire-to-board connector is ideal for power circuit applications in home appliances and gas appliances, offering reliable electrical connections with secure mating features.