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EXAMPLE STENCIL DESIGN

32X (0.6)

32X (0.2)

28X (0.4)

(3.8)

(3.8)

(

1.3)

(R0.05) TYP

VQFN - 1 mm max height

RSM0032A

PLASTIC QUAD FLATPACK - NO LEAD

4219107/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.

33

SYMM

METAL

TYP

SOLDER PASTE EXAMPLE

BASED ON 0.1 mm THICK STENCIL

EXPOSED PAD 33:

86% PRINTED SOLDER COVERAGE BY AREA UNDER PACKAGE

SCALE:20X

SYMM

1

8

9

16

17

24

25

32