DF37NB-16DS-0.4V(75) from Hirose Electric Co Ltd is a fine-pitch rectangular receptacle connector designed for compact board-to-board interconnect applications where space, height, and signal density are critical. With a 0.40 mm pitch, 16 positions, dual-row layout, and SMT mounting, it is well suited for slim consumer electronics, portable medical devices, industrial handheld equipment, camera modules, and other miniaturized embedded systems. Gold-plated contacts and a solder-retention feature support reliable assembly and stable electrical interfacing in high-density designs. Based on the provided data, the part status is Active, which is generally favorable for ongoing procurement and new design consideration, although engineers should still confirm long-term availability directly with Hirose. RoHS compliance information is not explicitly provided in the supplied specifications, so the compliance status should be treated as information not available pending manufacturer documentation. For regulated programs, engineers should verify current RoHS and any REACH declarations through the official datasheet or manufacturer compliance portal before release.