The mechanical specifications for the packages show the dimensions in
millimeters.
QFN40 5 x 5 mm package
Figure 1. QFN40 5 x 5 mm package
Table 1. QFN40 dimensions in millimeters | A | A1 | A3 | b | D, E | D2, E2 | e | K | L |
|---|
| Min. | 0.80 | 0.00 | | 0.15 | 4.90 | 3.50 | | 0.20 | 0.30 |
| Nom. | 0.85 | 0.035 | 0.203 | 0.20 | 5.00 | 3.60 | 0.40 | | 0.35 |
| Max. | 0.90 | 0.05 | | 0.25 | 5.10 | 3.70 | | | 0.40 |
WLCSP 2.531 x 2.531 mm package
Figure 2. WLCSP 2.531 x 2.531 mm package
Table 2. WLCSP dimensions in millimeters | A | A1 | A3 | b | D | E | D2 | E2 | K | L | e |
|---|
| Min. | 0.468 | 0.148 | 0.309 | 0.184 | | | | | | | |
| Nom. | 0.491 | | 0.327 | | 2.531 | 2.531 | 2.100 | 2.100 | 1.025 | 1.075 | 0.350 |
| Max. | 0.514 | 0.180 | 0.345 | 0.244 | | | | | | | |
