The Molex 0430450421 is a 4-circuit, dual-row header from the Micro-Fit 3.0 43045 series, pitched at 0.118" (3.00mm). Typical applications include automotive harnesses, industrial control panels, medical equipment, and telecom gear — environments where a locked, shrouded connection is needed.
Key Features That Drive Fit
Tin plating on both the mating surface and solder tails is cost-effective for moderate mating cycles — typically 10 to 25 cycles — and the 60.0 µin (1.52 µm) thickness on the mating side provides a durable contact interface for power duty.