SMD pads come in basically two shapes: rectangular and rounded rectangle. Does either offer advantages? For instance for etching, or HF signal integrity?
Electronic – Is the shape of (SMD) pads relevant
padssurface-mount
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Best Answer
For the most part, no. It doesn't matter. Or, to put it a different way: For about 95% of the designs out there, the shape of the pad does not matter. There are some things to consider, however, before just assuming that your pads are correct: