Right-Angle Power Header for Wire-to-Board Harnesses
The Molex Micro-Fit 3.0 0430451802 is an 18-position, dual-row, right-angle through-hole header in the 43045 series. It is the board-side half of a board-to-cable/wire interconnect, designed to mate with the matching Micro-Fit 3.0 receptacle housing for harness assemblies in automotive, industrial, medical, and telecom equipment. Rated 8 A per circuit at 600 V, with 30.0 µinch gold plating on the mating contacts for repeated mating cycles and a UL94 V-0 liquid crystal polymer housing for flame retardance.
For a 18-position header carrying power on all circuits, that is up to 144 A total across the connector, though real-world designs typically reserve several pins for lower-current signals or ground returns. The 3.00 mm pitch and row spacing define the PCB footprint — each pin occupies a 0.118-inch grid, which gives enough creepage for the 600 V rating without forcing an oversized board.