BK2425

Revision 1.0

Proprietary and Confidential

Page 24 of 30

10.1 Package Information

QFN20 4x4 package and SSOP20 are available for BK2425, Detail information of the package

follows:

Figure 11 QFN20 4x4 package diagram

Parameter

Min

Typ

Max

Unit

A

0.70

0.75

0.80

mm

A1

0.00

-

0.05

mm

A3

0.20 REF

mm

D

3.95

4.00

4.05

mm

E

3.95

4.00

4.05

mm

b

0.18

0.23

0.30

mm

L

0.30

0.40

0.50

mm

D2

2.55

2.70

2.80

mm

E2

2.55

2.70

2.80

mm

e

0.50 REF

mm

Table 7 QFN20 4x4 Package dimensions

Package marking

BK2425

QYYWWXX

Q

Y

Y

W

W

XX

QFN

Year number

Week number

Internal Code

Table 8 QFN20 Package marking