Contact system and board fit
The 91618-416ALF: The housing is gray thermoplastic, UL94 V-0 rated, and includes board locks and a pick-and-place feature for automated assembly.
Mated stack height and orientation
This receptacle supports bottom or top entry and mates to a Dubox header at a stacking height of 10.81mm. The push-pull fastening and 0.275" (6.99mm) insulation height suit board-to-board mezzanine layouts where the mated pair must sit at a fixed z-height.