5-1735480-5 is a 120-position board-to-board receptacle connector designed for vertical PCB mounting applications. It features a 0.8mm pitch with adjustable stack heights of 17.00mm, 18.00mm, 19.00mm, or 20.00mm, and includes gold (8) contact plating on the mating area with a copper alloy contact base material. The housing is constructed from Liquid Crystal Polymer (LCP) with a UL 94V-0 flammability rating and natural color. This connector supports lead-free reflow solder processes up to 260°C and is RoHS/ELV compliant, making it suitable for high-density board-to-board interconnect applications in electronics assemblies.