3-Position Receptacle Housing for 2.50mm-Pitch Wire-to-Board Harnesses
The JST XAP-03V-1 is a 3-position, single-row receptacle housing from the XA series, designed for free-hanging (in-line) wire-to-board or wire-to-wire interconnects on a 0.098" (2.50mm) pitch.
Pitch and Position Count — Footprint and Harness Fit
The 2.50mm pitch keeps the connector compact for a 3-circuit harness — the housing width is about 7.5mm across the three positions, fitting tight spaces inside consumer appliances, industrial controls, or LED lighting enclosures. The single-row layout means the mating header footprint on the PCB is a straight line of three through-hole or SMT pads at 2.50mm centers, which routes cleanly with standard trace widths.
The female socket crimp terminals (JST part series SXA or equivalent) must be purchased separately and crimped onto 20–24 AWG wire before insertion.
Temperature Range and Material — Where It Works
Not suited for continuous underhood automotive or outdoor washdown environments without additional sealing — the latch lock is not IP-rated.
The XAP-03V-1 sits between the 2-position XAP-02V-1 and the 4-position XAP-04V-1 at the same 2.50mm pitch, same single-row layout, same latch lock and PA66 material. The 3-position version covers the common 3-wire sensor or power harness — if your BOM calls for 2 or 4 circuits, the same crimp terminals and mating headers carry across the series, keeping SKU count low.