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TMP112: Question about LAND PATTERN & SOLDER PASTE of SOT563 PACKAGE

Part Number: TMP112

Tool/software:

Today, we found that the package of TMP112's spec varies among different versions. For instance, from version F to version J:

Version F,The pad layout is 0.45*0.3,but inversion J .the pad layout is 0.67*0.3

1. Why is it necessary to extend the length of the PAD layout in the new version of the specification?
2. If we follow the layout package based on Version F, will there be any problems? How can we improve it?

thanks

Version F

  

VersionJ