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EXAMPLE STENCIL DESIGN

40X (0.6)

40X (0.2)

36X (0.4)

(4.8)

(4.8)

9X (1)

(R0.05) TYP

(1.2) TYP

(1.2) TYP

WQFN - 0.8 mm max height

RSB0040B

PLASTIC QUAD FLATPACK - NO LEAD

4219094/A 11/2018

NOTES: (continued)

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

design recommendations.

SOLDER PASTE EXAMPLE

BASED ON 0.125 MM THICK STENCIL

SCALE: 20X

EXPOSED PAD 41

73% PRINTED SOLDER COVERAGE BY AREA UNDER PACKAGE

SYMM

SYMM

1

10

11

20

21

30

31

40

41

METAL

TYP

CC3301, CC3300

SWRS310 – MARCH 2023

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Product Folder Links: CC3301 CC3300