This is from the mechanical drawing for the XSON6 package in this datasheet (page 13).

What do the gray rectangles represent? Note that they don't have any measurements.
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This is from the mechanical drawing for the XSON6 package in this datasheet (page 13).
What do the gray rectangles represent? Note that they don't have any measurements. |
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See note 2: Can be visible in some manufacturing processes. My guess is that there may be some exposed copper in this area. |
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They will be the trimmed off extension of the internal contacts which extend out of the plastic at this point on the leaded versions. Plastic not thick enough it appears :-). |
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