770874-2 is a 4-circuit dual-row vertical pin header connector designed for Mini-Universal MATE-N-LOK wire-to-wire interconnections. The connector features an A dimension of 0.387 inches (9.83 mm) and is available with tin or duplex plating finishes. It is constructed from UL94V-0 rated 6/6 nylon material, ensuring compliance with RoHS directives and providing reliable performance in demanding applications. The header is compatible with both panel-mount and free-hanging configurations, with drain hole and non-drain hole variants available. This connector is commonly used in industrial control systems, telecommunications equipment, and automotive applications where robust, high-density interconnections are required.