What the 16-position, 2.54mm pitch means for your board
The 5102155-3: Four-wall shrouding and a keying slot protect the pins during handling and prevent mis-mating with an unkeyed receptacle. The mounting flange adds mechanical retention to the board.
Where it fits: board-to-cable/wire duty
Rated for board-to-cable/wire interconnect — the header mates with a cable-mounted AMP-Latch receptacle (typically an IDC socket or crimp housing).
