What this header does in the assembly
The 5054331481 is a 14-position, dual-row surface-mount header from the Molex Micro-Lock PLUS series, designed for board-to-cable/wire applications. It mates with the corresponding Micro-Lock PLUS receptacle housing to form a locked wire-to-board interconnect. The 1.25 mm pitch and 8.6 mm mated stack height suit compact enclosures where board real estate and z-height are constrained. The latch holder fastening type provides positive retention beyond a simple friction lock, making it suitable for environments where vibration could otherwise unseat a standard header.
Rated at 50 VAC/DC, with current rating varying by wire gauge in the mating half.