It uses a 4.20mm pitch and a locking ramp fastening system that holds the mate secure under vibration — common in power supplies, automotive interiors, and industrial control cabinets where a loose connection means a service call.
Terminals Are Ordered Separately
You order the 5559-series male pin terminals (crimp style) separately, sized for your wire gauge. Standard Mini-Fit Jr. crimp terminals are compatible; confirm the wire range against the terminal datasheet before committing the BOM line.
Mating Half and Pitch Check
The 4.20mm pitch is the defining footprint dimension — it matches the standard Mini-Fit Jr. receptacle headers.