The 20021511-00010T4LF from Amphenol Communications Solutions is shrouded header with male pins, 10 position, 2 rows, 0.050" (1.27mm) pitch and solder termination. This through hole mounting header has push-pull fastening, 1A current rating and 125V voltage rating. The 20021511-00006T4LF has copper alloy contacts with 10.0µin (0.25µm) gold mating finish and black plastic insulation. Operating temperature range is from -40°C to 105°C.