Tape and Reel Dimensions (WLCSP) a Dimensions shown in millimeters 2.05 2.00 1.95 4.10 4.00 3.90 1.60 \ 1.50 1.40 1.85 1.75 1.65 A 8.30 8.00 7.90 3.55 3.50 3.45 4.10 4.00 3.90 A B 5∞MAX 2.53 Bo = 2.48 2.43 Bo Ko SECTION A–A B SECTION B–B 5∞MAX 0.274 0.254 0.234 Ao 1.42 Ao = 1.37 1.32 1.00 Ko = 0.95 0.90