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Products > Packages > Semiconductor Device Mount Manual > PRINTED WIRING BOARD DESIGN > Lead-type SMDs >

CHAPTER 2 PRINTED WIRING BOARD DESIGN


2.1 Lead-type SMDs
2.1.4 Example of mount pad dimension classified by package

(1) SOP mount pad dimensions

Figure 2-3. SOP Mount Pad Dimensions


Table 2-2. Example of Soldering Parameters (Unit: mm)
1.27 Remark
0.2 Cleanliness of printed wiring board
0.5 Soldering strength
0.2 Mask pattern precision and observability
0.51 Solder bridge tolerance
l2 1.27 Setting of recommended value from EIAJ ED-7402-1 (old specification)
b2 0.76 Setting of recommended value from EIAJ ED-7402-1 (old specification)

To 2.1.4 Example of mount pad dimension classified by packageTo 2.1.4(2) SSOP mount pad dimensions