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EXAMPLE STENCIL DESIGN

12X (0.2)

8X (0.5)

4X (0.67)

2X (0.4)

(1.5)

(1.3)

6X (0.4)

(R

) TYP

0.05

X2QFN - 0.4 mm max height

RWB0012A

PLASTIC QUAD FLATPACK - NO LEAD

4221631/A 12/2014

NOTES: (continued)

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

design recommendations.

SYMM

SOLDER PASTE EXAMPLE

BASED ON 0.1 mm THICK STENCIL

PADS 1,2,7 & 8

96% PRINTED SOLDER COVERAGE BY AREA

SCALE:50X

1

2

3

6

7

8

9

12

SYMM

METAL

8X