5-1735480-6 is a board-to-board receptacle connector designed for high-density interconnect applications. It features 140 positions with a 0.8 mm free height and supports multiple board-to-board stack heights of 17.00 mm, 18.00 mm, 19.00 mm, and 20.00 mm, accommodating various PCB spacing requirements. The connector utilizes gold-plated contacts (8 µin) on a copper alloy base and is housed in a natural-colored liquid crystal polymer (LCP) body with UL 94V-0 flammability rating. It includes locating posts for precise alignment and is compatible with reflow solder processes up to 260°C. This connector is ideal for applications requiring reliable board-to-board connections in compact, high-pin-count configurations such as telecommunications, computing, and industrial equipment.