The Molex 430451606 is the 16-circuit member of the Micro-Fit 3.0 43045 series — a dual-row, right-angle SMT header with a 3.00 mm pitch and 4-wall shrouding. Rated 8 A per circuit at up to 600 V, it carries tin-plated contacts at 60.0 µin (1.52 µm) thickness on both the mating face and the solder tail. The locking ramp on the housing provides audible insertion confirmation; the board-lock feature aids coplanarity control during SMT reflow. All 16 positions are populated, and the housing is black Liquid Crystal Polymer rated UL94 V-0.
What the ratings mean for your fit
The 8 A per-circuit rating is the key differentiator against lower-current headers in the same pitch class — this is a mid-power board-to-cable header, not a signal-density product. The 600 V voltage rating covers industrial and automotive rails comfortably; the tin plating (60.0 µin) is the standard durability grade for the series and handles the reconnection duty expected in these application fields. The 4-wall shrouding protects the pin array during shipping, handling, and in-field service — a meaningful detail when the assembly routes through harnesses with limited connector-protection routing options. The right-angle SMT orientation and 0.290-inch (7.37 mm) insulation height set the mated profile against the board — confirm the board-edge keep-out and coplanarity tooling match before committing the layout. The square pin contact shape accepts the matching Micro-Fit 3.0 crimp receptacle; confirm the wire gauge range and crimp terminal part number before specifying the mating half.
Applications and compliance
The series is listed for automotive, general-purpose, industrial, medical, and telecommunications applications. The UL94 V-0 LCP housing satisfies the material-flammability requirement for those end products. ROHS3 compliance is confirmed; no UL or VDE rating appears in the spec listing, so verify against the datasheet before placing the BOM line.
Sourcing
Listed as Active with ROHS3 Compliant status — quoted to order against the BOM quantity. The base product number is 043045, which anchors the series family; for sourcing or cross-referencing, the full 430451606 order code is the correct identifier. No official successor or LTB notice appears on this listing. Confirm position count matches your circuit requirement and specify the mating receptacle housing and crimp terminal from the same Micro-Fit 3.0 series before RFQ.