The Molex 2145252091 is the 9-circuit plug housing from the Micro-Lock PLUS 214525 series, a 1.25mm-pitch wire-to-board interconnect family. This is the free-hanging (in-line) half of the connection, designed to accept crimp terminals and mate with a board-mounted Micro-Lock PLUS receptacle header. The single-row, 9-position layout keeps the harness narrow — useful when routing multiple circuits through a tight cable channel or along a PCB edge.
Terminal Selection and Crimp Termination
This plug housing accepts male pin crimp terminals (contact type: Male Pin). The 1.25mm pitch means the terminal pocket spacing is tight — use the correct Molex crimp tooling for the wire gauge range specified in the terminal datasheet to avoid terminal push-back or high-resistance crimps. No secondary position assurance (TPA) retainer is listed for this housing — the primary latch is the locking ramp itself.
The 2145252091 mates with a Micro-Lock PLUS 1.25mm-pitch board-mounted receptacle header (the mating connector is not included with this housing).