Series positioning and what this part is
The Molex 431600106 is the 6-circuit member of the Sabre 43160 series — a single-row, 7.50 mm pitch power header designed for through-hole PCB termination in industrial machine-wiring and equipment interconnect applications. Male blade construction with a locking ramp on the housing body provides positive retention against vibration — the ramp mechanically locks into the mating receptacle slot rather than relying on friction alone, which matters in motor-drive cabinets and other high-vibration environments.
Current and voltage ratings — what the numbers mean
Rated 18 A per contact at 600 V. The 18 A figure is stated per individual circuit, not as a connector aggregate — in a 6-position header carrying parallel power rails each circuit carries its own load up to that limit. The operating ceiling of -40°C to 75 °C is the governing selection constraint: at elevated ambient temperatures the actual current-carrying capacity derates below the 18 A headline figure. The PA46 glass-filled nylon housing material sets this limit; confirm your enclosure thermal environment against it before sizing conductors. Contact finish is pure tin, 60 µin (1.52 µm) — the standard industrial plating grade. Tin gives adequate corrosion resistance and solderability for factory-assembled production, but tin contacts are not specified for high-cycle reconnection duty above a few dozen cycles; the locking ramp handles the retention concern, not the plating.
Construction and material
Contact material is brass; insulation is PA46 (polyamide 4/6, glass-filled). PA46 offers good dielectric strength and resistance to typical industrial cleaning solvents, though it is not as thermally capable as some alternatives at sustained high temperatures — relevant if the header sits near hot components on the board. Through-hole solder termination with 1-row × 6-position layout suits wave-solder or hand-solder assembly. The bulk package means no tape-and-reel peel-and-place option; it is a PCB header, not an自动化 pick-and-place part. Black housing colour is standard for this series — it carries no electrical implication.