The AA01A series connector are 0.5 mm-pitch, stacking type, board-to-board connectors ideal for slim. low-profile devices such as mobile phones, LCDs, notebook PCs, and PDAs, which have high density mounting requirements. * 0.5 mm pitch 2 rows, 1.5 mm stacking height. * The contact structure and surface ensure high abrasion resistance and high contact reliability. * Secure hold-downs prevent insulator breakage and peeling from FPC for both plug and receptacle. * 2-point contact design to resist twisting stress. * Lead-free. Nickel barrier finish on contact prevents solder migration.