5120528-1 is a 64-position board stacking connector designed for high-density packaging applications. It features 30µ" gold plating with a pickup cap and a stacking height of 5.37mm [.211 inches], with contacts on 1.0mm [.039 inch] centerline spacing. The connector meets EIA-700 AAAB specifications for IEEE 1386 applications and is RoHS compliant. Key features include increased plastic clearance to eliminate stress to solder joints during mating and improved locating posts for accurate hand or robotic placement. This connector is suitable for AdvancedTCA, MicroTCA, and AdvancedMC standard applications in telecommunications infrastructure equipment.