Product Introduction
The Molex 0430450617 is a 6-circuit, dual-row header from the Micro-Fit 3.0 43045 series, designed for board-to-wire power and signal interconnects. It uses a 3.00 mm pitch and mates with the matching Micro-Fit 3.0 receptacle housing and crimp terminals. Rated for 8 A per circuit at 600 V, it carries gold plating on the mating surface — 30.0 µin thick — for reliable performance across repeated mating cycles.
The housing is molded from glass-filled LCP rated UL94 V-0, and the operating temperature range spans -40°C to 105°C, covering most automotive and industrial cabinet environments.
The 8 A per circuit rating at 600 V gives enough headroom for power distribution inside a control cabinet or a harness running to a motor drive. The locking ramp and board locks make it suited for high-vibration settings like vehicle body electronics or industrial machinery panels.
What the Ratings Mean
The 8 A per circuit rating is per contact at the listed temperature rise — derate above 25°C ambient following the manufacturer's curve. The 3.00 mm pitch gives enough creepage for the 600 V rating without forcing an oversized board footprint. Gold plating at 30.0 µin on the mating side supports hundreds of mating cycles without corrosion, while the tin-plated solder tails (100.0 µin) are standard for SMT reflow compatibility.
No official replacement or cross-reference is on record — the 6-circuit count and 3.00 mm pitch define the BOM match.