2-5767004-4 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 and dimensions of A=25.40 mm, B=48.26 mm, and C=35.43 mm. The connector has a 1.40 mm contact height and 1.00 mm pitch spacing, with a stack height of 9.50 mm when mated. It is suitable for high-speed signal transmission applications requiring reliable interconnections in telecommunications, networking, and computing equipment.