What it is and where it sits in the series
The Molex 430450824 is the 8-circuit dual-row member of the Micro-Fit 3.0 43045 family — a shrouded board-to-cable power header with a kinked-pin through-hole tail and a locking ramp that snaps into the matching receptacle. At 0.118" (3.00 mm) pitch it drops into the same board footprint as the rest of the series, so scaling position count is a drop-in change across the family. The style is listed as Board to Cable/Wire, which means the board-mounted header receives the cable-side receptacle — the typical power-distribution topology in harness assemblies where the header anchors to the PCB and the plug brings the wire bundle in from the field.
What the key ratings mean
8 A per circuit at 600 V handles most industrial power distribution nodes without needing a dedicated high-current connector. Derate above 105 °C per the product drawing if the ambient at the node runs hot. Tin-plated contacts at 60.0 µin (1.52 µm) on the mating side — this is signal-grade tin, not the gold option in the series. It gives good first-mate resistance but the reconnection cycle budget is lower than a gold-plated variant: if the harness sees repeated plug cycles in service, a gold sibling is worth checking. For a permanently mated harness node the tin finish is perfectly adequate. Shrouded on all four walls with a locking ramp and board lock — the 4-wall shroud keys the header into the matching receptacle housing so it can't be mated off-angle, and the locking ramp holds the pair seated against vibration. The board lock stakes into the PCB hole to resist pull-out during cable-side insertion force. Insulation is black glass-filled liquid crystal polymer rated UL94 V-0, with an insulation height of 0.390" (9.91 mm) — the V-0 rating covers panel-mount and enclosed equipment applications where flame retardancy is a compliance requirement.
Mating and termination
Terminates via kinked pins in a through-hole footprint — the kink provides solder fillet wicking and resists thermal cycle pumping. The square pin shape on the mating receptacle side suits standard header pin geometries. The 0.125" (3.18 mm) post length accommodates typical PCB thickness for hand-solder or wave-solder processing. Mates with the matching Micro-Fit 3.0 dual-row receptacle housing in the 43045 series — confirm the housing polarisation key matches your board layout before specifying. All 8 positions are loaded.