2-5767004-3 is a high-speed fine pitch STEP-Z interconnection system plug connector designed for high-density board-to-board applications. This 38-position connector features Pb-free gold plating with dimensions of 25.40 mm (A), 35.56 mm (B), and 24.13 mm (C), with a contact pitch of 0.65 mm. The connector utilizes solder ball termination with 0.55 mm ball diameter and operates at 340 mating cycles. It is ideal for high-speed signal transmission applications requiring reliable interconnections in telecommunications, computing, and data processing equipment.