The connector type is a receptacle with outer shroud contacts, surface-mount terminated, and carries a board guide feature for alignment during assembly. At 0.031" (0.80 mm) pitch and 15.75 mm height above board, this is a tall mezzanine interconnect — the mated stacking height with the matching plug is 17 mm, giving generous clearance for components on the underside of the top board. The dual-row, 80-contact layout suits high-density signal routing in telecom, networking, or server backplanes where board spacing is not the tightest constraint.
Contact Plating and Surface Finish
ROHS3 compliant.
Mounting and Assembly Considerations
Surface-mount termination with the integrated board guide helps align the receptacle during pick-and-place. The 0.80 mm pitch demands tight PCB layout — trace routing between pads requires a capable board house, and the solder paste stencil aperture must be matched to the 15.75 mm tall body to avoid tombstoning. The tube packaging is standard for this connector; for high-volume lines, verify tube-to-tape compatibility if your feeder requires tape-and-reel.
Comparing to the Peer: 1-120532-2
The 1-120532-2 is a plug from a different Free Height variant — 1.00 mm pitch, 84 positions, 6.35 mm stacking height. The 5-1735480-3 runs at 0.80 mm pitch and 17 mm stack height, so the two are not footprint-compatible. If you are evaluating the 1-120532-2 as a potential second source, the pitch difference alone rules out direct interchange. No official cross-reference exists between these two.
No official replacement or successor part is recorded. The base product number is 1735480, which covers the family of 0.80 mm pitch FH receptacles.