9-Ball Wafer Level Chip Scale Package [WLCSP] (CB-9-5) Dimensions shown in millimeters 1.240 1.200 SQ 1.160 3 0.80 REF B C 0.40 REF TOP VIEW (BALL SIDE DOWN) 0.80 REF BOTTOM VIEW (BALL SIDE UP) END VIEW COPLANARITY 0.05 0.300 0.260 0.220 0.230 0.200 0.170 09-05-2012-A SEATING PLANE 1 A BALL A1 IDENTIFIER 0.560 0.500 0.440 2