2-640503-2 is a 15-circuit vertical PC board pin header from the AMP Soft Shell Miniature Rectangular (MR) Connector series. This header features a duplex plating finish and is designed for 0.062 inch (1.57 mm) board thickness with dimensions of A = 0.950 inch (24.13 mm) and B = 0.120 inch (3.05 mm). The connector is rated UL94V-0 and is RoHS compliant. It mates with socket housing part number 1-640523-0 and features a matrix style configuration. This header is suitable for wire-to-board applications requiring reliable pin and socket interconnections in industrial and electronic equipment.