The 87024-635LF from Amphenol Communications Solutions is surface mount PCB receptacle (board to board) with female socket, 70 position, 2 rows, 0.050" (1.27mm) pitch and solder termination. This connector has push-pull fastening, board guide, 1A current rating and 800VAC voltage rating. The 87024-635LF has beryllium copper contacts with 30.0µin (0.76µm) gold mating finish / tin post finish and natural thermoplastic, glass filled housing. Operating temperature range is from -55°C to 130°C.