2-640497-2 is a 2-circuit vertical pin header designed for wire-to-PCB applications within the MR (Miniature Rectangular) Connector series. This header features a duplex plating finish and is configured for 0.062 inch (1.57 mm) board thickness, with key dimensions of 0.455 inches (11.56 mm) for dimension A and 0.120 inches (3.05 mm) for dimension B. The connector is part of the AMP Soft Shell Pin and Socket Connector family and is RoHS compliant. It mates with socket housing part number 1-640517-0, providing reliable interconnection for various electronic applications requiring compact, in-line configurations.