Board-to-board header with keying slot
The 90309-920LF is the 20-position member of Amphenol ICC (FCI)'s Minitek board-to-board header line, a shrouded two-wall design with a keying slot that prevents mis-mating with non-keyed receptacles.
Shrouded two-wall design with keying
The shrouded two-wall shell and keying slot protect the pins during handling and guide the mating receptacle into the correct orientation — the keying prevents a non-keyed housing from seating. All 20 positions are loaded.