5176381-3 is an 80-position board-to-board plug connector from the FH (Free Height) Series designed for PCB interconnections requiring variable stacking heights. This right-angle mounted connector features a 1.27 mm pitch, gold-plated contact mating area with 0.3 µm thickness, and phosphor bronze contact base material with a maximum current rating of 1 A. The plug assembly includes through-hole termination with 3.1 mm termination post length, boardlock retention, and operates within a temperature range of -55°C to +85°C. Constructed with glass-filled nylon housing in black color, it is EU RoHS and ELV compliant with UL 94V-0 flammability rating. This connector is ideal for applications requiring reliable board-to-board connections with adjustable stacking configurations.