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EXAMPLE STENCIL DESIGN

20X (0.6)

20X (0.2)

16X (0.4)

(2.3)

(3.1)

2X (1.07)

(0.525)

(R

) TYP

0.05

2X

(0.85)

X1QFN - 0.5 mm max height

RWP0020A

PLASTIC QUAD FLATPACK - NO LEAD

4221912/A 03/2015

NOTES: (continued)

5. 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

84% PRINTED SOLDER COVERAGE BY AREA

SCALE:25X

SYMM

1

6

7

10

11

16

17

20