1-146897-1 is a 64-position board-to-board plug connector assembly designed for mezzanine interconnect applications. It features a 1 mm centerline pitch, 8 mm stack height, and vertical PCB mounting orientation with surface mount termination. The connector utilizes phosphor bronze contacts with gold flash plating on the mating area and supports differential signaling with a maximum contact current rating of 1 A and voltage rating of 250 VAC. Operating over a temperature range of -55°C to +110°C, this IEEE 1386 compliant connector is housed in UL 94V-0 rated black LCP material. It is ideal for high-density board-to-board connections in telecommunications, computing, and industrial electronics applications.