The 1511181004: This is a 4-position, 2-row shrouded header on 2.00mm pitch, SMT terminated. The 4-wall shroud and detent lock mean the mating receptacle clicks in and stays put under vibration — a step up from unshrouded pin strips for field-installed cable assemblies.
Current and temperature envelope
The 2A limit is typical for 2mm signal headers; the wide temperature band and UL94 V-0 LCP housing suit it for automotive interior, telecom, and general-purpose board-to-board or cable interconnects.