High-Performance Board-to-Board Connectors

Board-to-Board Connectors optimized for high performance and functionality.

FunctionMAX is a group of Board-to-Board connector series from Hirose with a mission to meet the needs of the industrial market with maximum functionality. Hirose is currently focusing on research and development for two key development themes: Floating Function and High-Speed Transmission.

FunctionMAX will continuously strive to reach the highest level of functionality for its floating and high-speed connectors. These and other Hirose connectors are developed under our philosophy: “always taking the lead, pursuing the cutting edge. FunctionMAX connectors are suitable for use in medical devices, office imaging equipment, measurement equipment, industrial computer systems, automotive navigation and audio systems, broadcast equipment, base station transceivers, industrial machinery and more.

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FunctionMAX: Cross reference chart | High-Speed Transmission | Floating Function | FunctionMax Brochure

  • FX8
  • FX10
  • FX18
  • FX20
  • FX23
  • FX30B
FX8/FX8C Series

FX8/FX8C Series, Board to Board

  • 0.6 mm pitch
  • Stacking height 3 mm to 16 mm available
  • Current rating: 0.4 A
  • Formed contact design provides sufficient deflection for contact reliability
  • Number of contacts: 60, 80, 90, 120, 140

FX10 Series

FX10 Series, Board to Board High Speed Transmission

  • 0.5 mm pitch
  • Stacking height: 4 – 8 mm
  • Current rating: 0.3 A
  • Improved transmission efficiency between boards
  • Effective mating length is 1.1 mm for signal contacts
  • Contacts: w/ground plate 80, 100, 120, 140 - w/o ground plate 96, 120, 144, 168

FX18 Series

FX18 Series, Board to Board

  • 0.8 mm pitch
  • Variations: Coplanar/Vertical/Stacking
  • Power supply contacts rated up to 12 A
  • Effective mating length of signal contact: 2.0 mm
  • Ground contact to enhance grounding
  • Large mating guide for easy mating
  • Number of contacts: 40, 60, 80, 100, 120, 140

FX20 Series

FX20 Series, Board to Board

  • 0.5 mm pitch, stacking height 15~30 mm
  • Floating range; X direction: ± 0.6 to 0.8 mm, Y direction: ± 0.6 mm
  • Current capacity: 0.5 A / pin
  • Self aligning and self-guiding
  • Number of positions: 20, 40, 60, 80, 100, 120, 140

FX23 Series

FX23 Series, Floating Board-to-Board for High-Speed Transmission

  • Pitch: 0.5 mm
  • ±0.6 mm max floating in the X and Y directions
  • 2 power pins are provided to each side of the connector housings (3 A/pin)
  • Signal terminal is rated up to 0.5 A/pin
  • Vertical connection and parallel connection between 15-30 mm PCB distance are available

FX30B Series

FX30B Series, Connectors for Power Supply

  • Contact pitch: 3.81 mm
  • Current capacity: 13-17 A/pin
  • Connection type: Coplanar, Vertical, Parallel
  • Position misalignment absorption movable amount: ±0.3 mm
  • This series has superior contact reliability by employing an independent four-point contact spring structure
  • Number of positions: 2, 3, 4, 5

Application Solutions