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EXAMPLE STENCIL DESIGN

28X (1.3)

28X (0.45)

(6.1)

28X (1.5)

28X (0.45)

26X (0.65)

(3)

(5.5)

BASED ON

0.127 THICK

STENCIL

(5.8)

4214870/A 10/2014

PowerPAD - 1.1 mm max height

PWP0028A

PLASTIC SMALL OUTLINE

2.66 X 4.77

0.178

2.88 X 5.16

0.152

3.0 X 5.5 (SHOWN)

0.127

3.55 X 6.37

0.1

SOLDER STENCIL

OPENING

STENCIL

THICKNESS

SEE TABLE FOR

DIFFERENT OPENINGS

FOR OTHER STENCIL

THICKNESSES

NOTES: (continued)

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

design recommendations.

11. Board assembly site may have different recommendations for stencil design.

TM

SOLDER PASTE EXAMPLE

EXPOSED PAD

100% PRINTED SOLDER COVERAGE AREA

SCALE:6X

HV / ISOLATION OPTION

0.9 CLEARANCE CREEPAGE

OTHER DIMENSIONS IDENTICAL TO IPC-7351

SYMM

SYMM

1

14

15

28

BASED ON

0.127 THICK

STENCIL

BY SOLDER MASK

METAL COVERED

IPC-7351 NOMINAL

0.65 CLEARANCE CREEPAGE