W3X3.9B — 3x3 Array 9 Ball Wafer Level Chip Scale Package (Intersil Standard) Plastic Packages for Integrated Circuits Wafer Level Chip Scale Package (WLCSP) W3x3.9B 3x3 ARRAY 9 BALL WAFER LEVEL CHIP SCALE PACKAGE E (Intersil Standard) SYMBOL MILLIMETERS NOTES A 0.54 Min, 0.65 Max - PIN A1 ID AREA D A1 0.24 ±0.03 - ……