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Home » NEWEST Products » New by Manufacturer » Hirose Electric » Hirose FX18 Connectors
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Hirose FX18 Series B2B Connectors

The Hirose Electric FX18 Series Hi-Speed B2B Connectors are headers and receptacles, right angle or straight, with a 0.8mm pitch for coplanar or vertical connection. The FX18 features high-speed transmission capability up to 10Gbps and multi-functional (MF) contact (ground contact, power supply contacts up to 12A, and 3-step sequential contacts). With a large mating guide for smooth insertion, the Hirose Electric FX18 Series Hi-Speed B2B Connectors mate with a signal contact of 2.0mm and offer a voltage rating of AC100V. Contacts and MF contacts are phosphor bronze with gold-plated contact area and mounting area and nickel-plated under plating.

Learn more about Hirose's entire line of Hi-Speed Board to Board Connectors:
FX10, FX11, IT3, FX18

Hirose FX18 Series B2B Connectors Mechanical Features
  • 0.8mm Pitch
  • Variations :Coplanar / Vertical
  • Number of Contacts : 40 / 60 / 80 / 100 / 120 / 140
  • Multi functional contact (MF contact) as;
    • ground contact to enhance grounding.
    • power supply contacts up to 12 A to reduce required pin counts.
    • 3-step sequential contacts for grounding and detection.
  • Effective mating length of signal contact: 2.0 mm.
    • (MF contact A:2.5mm / MF contact B:1.5mm)
  • Pin through hole mounting MF contacts increase strength against wrenching.
  • Large mating guide for easy mating.
Hirose FX18 Series B2B Connectors Signal Integrity Features
  • Insertion Loss-to-Crosstalk-Ratio (ICR)
    • The insertion loss-to-crosstalk ratio (ICR) with five-aggressor differential FEXT meets the extrapolated IEEE802.3ap specification for 10+Gbps with plenty of margins.
  • Differential Impedance
    • The differential impedance is within 100±10 ohms at 35 ps rise time( 20% to 80%)


  • Hirose Electric
  • Connectors|Connector-Rectangular