5146888-1 is a fine pitch SMT stacking connector plug designed for parallel board-to-board applications. This IEEE 1386 compliant connector features a 1.0mm pitch and is constructed with a liquid crystal polymer (LCP) black housing and phosphor bronze contacts with duplex gold plating. The contacts feature 50µ" gold plating on the contact area and tin plating on the solder area, with nickel underplating for enhanced durability. This connector is ideal for high-density interconnect applications requiring reliable parallel board stacking in compact electronic assemblies.