Board Fit and Pinout Check
The 2-103639-8: Keying slot adds mis-mate protection when multiple headers sit side by side. The heavy tin layer supports moderate mating cycles — expect several hundred mates before wear-through, suitable for field-serviceable equipment.
Where It Goes: Automotive, Medical, Telecom
Peer Comparison: 1394090-1 vs 2-103639-8
The closest peer in the ledger is 1394090-1 — a 6-position, right-angle, 0.112" (2.85 mm) pitch header with tin contacts.
