1-5353727-0 is a fine pitch SMT stacking connector designed for parallel board-to-board applications. This bridged plug assembly features a 0.6mm pitch with 8H (8mm) stacking height, 280 positions, and includes ground plates for enhanced signal integrity. The connector is constructed with high-temperature thermoplastic housing (94V-0 rated) and copper alloy contacts duplex plated with 0.00020 inches minimum gold on contact areas and 0.00100 inches minimum tin on solder areas, with entire contacts underplated with 0.00130 inches minimum nickel. Performance specifications include a voltage rating of 50 VAC, current rating of 0.5 ampere, overall resistance less than 30 milliohms, dielectric withstanding voltage of 0.2 kVAC, and operating temperature range of -40°C to +85°C. This connector is ideal for high-density interconnect applications in telecommunications, computing, and industrial equipment where reliable board-to-board connections are required.