W4X3.10A — 4x3 Array 10 Ball Wafer Level Chip Scale Package Plastic Packages for Integrated Circuits Wafer Level Chip Scale Package (WLCSP) W4x3.10A 4X3 ARRAY 10 BALL WAFER LEVEL CHIP SCALE PACKAGE E SYMBOL MILLIMETERS NOTES A 0.64 +0.05 -0.10 - A1 0.29 ±0.02 - PIN 1 ID D ……