643228-1 is a right-angle PCB socket header designed for use in Universal MATE-N-LOK and Universal MATE-N-LOK II connector systems. This 3-circuit header features duplex contact finish with 0.000030 inch minimum gold plating in the mating area and matte tin on the solder tail end over 0.000050 inch minimum nickel underplate. The header has dimensions of A: 0.800 inch (20.32 mm), B: 1.495 inch (37.97 mm), and C: 1.080 inch (27.43 mm), with a 0.250 inch (6.35 mm) centerline spacing. It mates with plug housings including 770018-1 (Universal MATE-N-LOK II) and 350766-1 (Universal MATE-N-LOK). This RoHS compliant component is suitable for wire-to-board power circuit applications in home appliances and industrial equipment.