What this 10-position Micro-MaTch receptacle does in the assembly
The 1-338069-0: This is a 10-position, dual-row female socket header from the Micro-MaTch series, designed for board-to-board or cable applications. The 2.54 mm pitch matches standard 0.100-inch headers, and the SMD termination suits automated pick-and-place assembly. The friction lock holds the mating header in place under vibration — a practical detail when the assembly sees mechanical shock or cable tug. The tin-plated mating surface is adequate for moderate mating cycles; for high-cycle duty, a gold-plated sibling would be the better call.
