AXK6S40447YG is a P5KS series board-to-board connector header designed for high-density interconnections in compact electronic assemblies. This 40-pin header operates at a 0.5mm pitch with an 8.0mm mated height, utilizing Panasonic's "Tough Contact" construction to ensure high contact reliability and strong resistance to adverse environments. The connector features a low-profile design while maintaining an extended effective mating length for reliable insertion. With RoHS compliance and automatic mounting capability, this header is ideal for applications requiring space-efficient, high-reliability board-to-board connections in industrial and consumer electronics.