Package mechanical data

STMEC001

16/19

8

Package mechanical data

packages. These packages have a Lead-free second level interconnect. The category of

second Level Interconnect is marked on the package and on the inner box label, in

compliance with JEDEC Standard JESD97. The maximum ratings related to soldering

conditions are also marked on the inner box label. ECOPACK is an ST trademark.

Figure 4.

QFN16 (3 x 3 mm) package outline

1.

Drawing not to scale.

Table 13.

QFN16 (3 x 3 mm) mechanical data

Symbol

millimeters

inches

Min

Typ

Max

Min

Typ

Max

A

0.80

0.90

1.00

0.032

0.035

0.039

A1

0.02

0.05

0.001

0.002

A3

0.20

0.008

b

0.18

0.25

0.30

0.007

0.010

0.012

D

3.00

0.118

D2

1.55

1.70

1.80

0.061

0.067

0.071

E

3.00

0.118

E2

1.55

1.70

1.80

0.061

0.067

0.071

e

0.50

0.020

K

0.20

0.008

L

0.30

0.40

0.50

0.012

0.016

0.020

r

0.09

0.006

E

A

A1

e

K

E2

b

r

D2

K

L

A3

D