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EXAMPLE STENCIL DESIGN

40X (0.6)

40X (0.2)

36X (0.4)

(4.8)

(4.8)

4X (

1.37)

(0.785)

(R0.05) TYP

(0.785)

WQFN - 0.8 mm max height

RSB0040E

PLASTIC QUAD FLATPACK - NO LEAD

4219096/A 11/2017

NOTES: (continued)

6. Laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release. IPC-7525 may have alternate

design recommendations.

SYMM

METAL

TYP

SOLDER PASTE EXAMPLE

BASED ON 0.1 mm THICK STENCIL

EXPOSED PAD 41

75% PRINTED SOLDER COVERAGE BY AREA UNDER PACKAGE

SCALE:20X

SYMM

1

10

11

20

21

30

31

40

41