The mechanical specifications for the packages show the dimensions in millimeters.

aQFN73 7 x 7 mm package

Dimensions in millimeters for the aQFN™73 7 x 7 mm package.

Figure 1. aQFN73™ 7 x 7 mm package

aQFN73 dimensions in millimeters

Table 1. aQFN73 dimensions in millimeters
A A1 A2 A3 b D, E D2, E2 e e1 e2
Min. 0.02 0.20 6.90 4.75
Nom. 0.05 0.675 0.13 0.25 7.00 4.85 0.50 2.75 0.559
Max. 0.85 0.08 0.30 7.10 4.95

QFN40 5 x 5 mm package

Figure 2. QFN40 5 x 5 mm package

QFN40 dimensions in millimeters

Table 2. 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 3.175 x 3.175 mm package

Dimensions in millimeters for the WLCSP 3.175 x 3.175 mm package.

Figure 3. WLCSP 3.175 x 3.175 mm package
WLCSP dimensions in millimeters
Table 3. WLCSP dimensions in millimeters
A A1 A2 A3 b D E D2 E2 e i j
Min. 0.464 0.148 0.281 0.022 0.184 3.172 3.172
Nom. 0.489 0.300 0.025 0.200 3.175 3.175 2.800 2.800 0.350 0.025 0.025
Max. 0.514 0.180 0.319 0.028 0.244 3.178 3.178