The MOLEX 55909-9872 SlimStack Board-to-Board Connector is a compact and reliable solution for connecting PCBs. Designed with a 0.40mm pitch and a J-Bend series configuration, this connector offers a plug design suitable for various applications. It boasts a mated height of 1.50mm or 1.80mm and a mated width of 3.40mm or 4.20mm, accommodating different design requirements. The connector supports up to 10 circuits and features a robust construction with brass material and gold plating for both mating and termination interfaces, ensuring excellent signal transmission and durability. It is RoHS compliant and suitable for operating temperatures ranging from -25°C to +85°C, making it a versatile choice for a wide range of industrial and consumer electronics applications.