Texas Instruments DS100KR401EVK evaluation board DS100KR401EVK/NOPB DS100KR401EVK/NOPB 데이터 시트

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EXAMPLE STENCIL DESIGN

(1.17)

TYP

(5.3)

54X (0.6)

54X (0.25)

12X (1.51)

(9.8)

(0.855) TYP

12X (0.97)

50X (0.5)

4214993/A   07/2013

WQFN

NJY0054A

WQFN

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

TYP

METAL

SOLDERPASTE EXAMPLE

BASED ON 0.125mm THICK STENCIL

 

EXPOSED PAD

67% PRINTED SOLDER COVERAGE BY AREA

SCALE:10X

1

18

19

27

28

45

46

54

SYMM