828296-3 is an unshrouded standard header connector designed for board-to-board vertical interconnection in the AMPMODU interconnection system. It features a 0.100 inch (2.54 mm) centerline spacing with straight posts and is available in multiple position configurations ranging from 1 to 40 positions. The connector utilizes 0.035 inch diameter posts with recommended PC board hole layouts for 0.055 inch minimum thick boards, and offers dual plating options (Plating A and Plating B) for enhanced reliability. This header is commonly used in applications requiring standard pitch interconnection, such as embedded systems, industrial control boards, and modular electronic assemblies where space efficiency and reliable mating are essential.