770743-1 is a 10-circuit dual row vertical pin header designed for use in the Mini-Universal MATE-N-LOK connector system. This pin header features drain holes and duplex plating with gold over nickel for reliable electrical contact. The connector has an A dimension of 0.877 inches (22.28 mm) and is designed to mate with plug housings such as 770580-1 (Mini-Universal MATE-N-LOK) and 794196-1 (Mini-Universal MATE-N-LOK 2) using socket contacts. The product is RoHS compliant and suitable for PCB board mount applications requiring secure wire-to-board connections.