The 5-103414-2: It is a shrouded 4-wall design, meaning the plastic housing fully encloses the square pins on all sides, protecting them from damage during handling and ensuring alignment when mating with a receptacle. The tin-plated post solders cleanly into a standard 0.100" grid PCB footprint.
These dimensions determine the PCB standoff and the depth of engagement with the mating receptacle.
