Specifications

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EXAMPLE STENCIL DESIGN

40X (0.6)

40X (0.25)

36X (0.5)

(5.8)

9X ( 1.28)

(1.48)

TYP

(R ) TYP0.05

(1.48) TYP

WQFN - 0.8 mm max heightRTA0040A

PLASTIC QUAD FLATPACK - NO LEAD

4214989/A 12/2014

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 0.125 mm THICK STENCIL

EXPOSED PAD

70% PRINTED SOLDER COVERAGE BY AREA

SCALE:15X

SYMM