14-position single-row SMT header at 1.25 mm pitch
The 1-1734260-4: This is a 14-position, single-row header from TE's High Performance Interconnect (HPI) series, pitched at 1.25 mm for board-to-cable/wire connections. It's a surface-mount part with a shrouded 3-wall housing that guides the mating connector into alignment.
Solder retention and SMT mounting
Termination is solder-only — no press-fit option here.
