0.60mm pitch, 100 positions — the board-to-board mezzanine link
The Hirose FX8-100S-SV(21) is a 100-position receptacle from the FunctionMax™ FX8 series, using a center strip contact arrangement on a 0.024" (0.60mm) pitch across two rows. This is the footprint match for high-density board-to-board stacking where every millimetre of board real estate is allocated. Typical use is as the receptacle half in a mezzanine interconnect within compact electronics — laptops, handheld instruments, or telecom line cards where the board stack height is tightly controlled.
Stacking height: 3mm or 4mm — choose your board gap
The 0.089" (2.26mm) height above board of this receptacle itself is fixed; the header height determines the final stack. If your assembly needs a specific gap, confirm the header part number matches the desired stack height before the BOM locks.
The ROHS3 Compliant status means it meets the latest EU restriction directive for lead and other substances, which simplifies compliance paperwork for EU-market builds.