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EXAMPLE BOARD LAYOUT

.002 MAX

[0.05]

ALL AROUND

.002 MIN

[0.05]

ALL AROUND

28X (.094)

[2.4]

28X (.026 )

[0.65]

24X (.050 )

[1.27]

(.429 )

[10.9]

(.429 )

[10.9]

(R.002 ) TYP

[0.05]

4215153/B 05/2017

4215153/B 05/2017

PLCC - 4.57 mm max height

FN0028A

PLASTIC CHIP CARRIER

NOTES: (continued)

5. Publication IPC-7351 may have alternate designs.

6. Solder mask tolerances between and around signal pads can vary based on board fabrication site.

LAND PATTERN EXAMPLE

EXPOSED METAL SHOWN

SCALE:6X

SYMM

SYMM

1

28

4

12

18

19

25

5

11

METAL

SOLDER MASK

OPENING

NON SOLDER MASK

DEFINED

(PREFERRED)

SOLDER MASK DETAILS

EXPOSED METAL

SOLDER MASK

OPENING

METAL UNDER

SOLDER MASK

SOLDER MASK

DEFINED

EXPOSED METAL