View sc021 5 datasheet:

Bulletin I0405J rev. A 05/01 SC021.....5. Series SCHOTTKY DIE 21 x 45 mils a 0.35 ± 0.01 (14 ± 0.4) c NOTES: 1. ALL DIMENSIONS ARE SHOWN IN MILLIMETERS (MILS). 2. CONTROLLING DIMENSION: (MILS). C 3. DIMENSIONS AND TOLERANCES: a = 0.53 + 0, - 0.01 A (21 + 0, - 0.4) b = 1.14 + 0, - 0.01 D (45 + 0, - 0.4) c = 0.38 + 0, - 0.01 (15 + 0, - 0.4) d = 0.99 + 0, - 0.01 (39 + 0, - 0.4) O = 0.4 ± 0.1 (15 ± 4) O 4. LETTER DESIGNATION: 40 (157) A = Anode (Top Metal) C = Cathode (Back Metal) D = Reject Ink Dot (only on non-conforming dies) (Sample Probe) Wafer flat alligned with side b of the die 5. SAWING: Recommended Blade SEMITEC S1025 QS00 Blade Sawing Street 0.05 + 0, -0.005 (2 + 0, -0.2) O 125 (492) NOT TO SCALE NOTE: 10 mils die thickness