6123000-4 is a fine-pitch SMT stacking connector designed for parallel board-to-board interconnection applications. This connector features 100 contact positions with 30 microinches gold plating on the contact surfaces, providing reliable electrical connections and corrosion resistance. The connector has dimensional specifications of 39.20 mm (1.543 inches) for dimension A, 45.80 mm (1.803 inches) for dimension B, and 44.20 mm (1.740 inches) for dimension C, making it suitable for compact PCB layouts. The product is available in multiple packaging formats including tube, tube with pickup cap, and tape and reel configurations, enabling flexible procurement and assembly options for high-volume manufacturing environments.