1734598-4 is a High Performance Interconnect (HPI) wire-to-board header connector designed for signal and low power routing between printed circuit boards. This vertical mount header features a 1.25mm centerline pitch with through-hole (DIP) PCB termination style and supports 28-32 AWG wire. The connector has a 4-position configuration with dimensions of 6.75mm length (4.25 + 1.25 per pin increase for 4 positions), 4.70mm height, and 3.20mm width, and mates with housing base PN 440146-x. Common applications include business and retail equipment, consumer devices, industrial systems, and automotive electronics where compact wire-to-board connections are required.