Board-to-board receptacle with board locks
The 91618-422ALF is the 44-position member of Amphenol ICC FCI's Dubox board-to-board receptacle line, accepting a mating header at a 10.81 mm stacking height. UL94 V-0 rated housing.
Stack height and footprint fit
The 10.81 mm mated stack height is fixed by the receptacle body height of 0.275" (6.99 mm) and the mating header's profile — the board-to-board spacing is set, not adjustable.