The category is connectors, interconnects>rectangular connectors - arrays, edge type, mezzanine (board to board), and the series is A4S. The number of positions is 34 with a pitch of 0.016" (0.40mm) and solder retention features. The connector type is socket, center strip contacts, and the number of rows is 2. The contact finish is gold, and the package is strip. The mated stacking heights are 0.8mm, 1mm, and the height above board is 0.030" (0.75mm). The standard package is 500, and the mounting is SMD (SMT). The ECCN is EAR99, and the MSL level is 1 (unlimited). This component is suitable for use in various electronic devices.