12-position 0.100-inch female socket header — board-to-board fit
The 215307-6: All 12 positions are loaded, so there is no unpopulated pin to manage on the BOM or the layout.
ROHS3 compliant — no conflict with current environmental directives.
Mating header and board-to-board stack
Row spacing is also 0.100" (2.54 mm), so the footprint is a straightforward 2×6 grid of 0.025" square holes.
