The 98424-F52-30LF: A keying slot is present, so the header only mates with the correct receptacle — keyed so it can't go in wrong.
Surface Mount Assembly and Contact Plating
Termination is surface mount, which suits automated pick-and-place lines.
No stock-holding claim is made.
Style and Series Positioning
The listed style is Board to Board or Cable, meaning this header can mate with a board-to-board receptacle or a crimp-housing cable assembly. The Minitek® 2.00mm series is a general-purpose interconnect for signal-level applications in industrial controls, instrumentation, and consumer electronics.