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Introducing the FX30B Series Board-to-Board Power Connector with Misalignment Absorption Structure from HIROSE

The FX30B series from HIROSE has been introduced to meet the requirement for board-to-board connectors with high current capacity and the ability to absorb mating tolerances where multiple connectors are used.

The connector range features a special innovative contact structure that allows movement in XY directions of up to +/- 0.3mm and + 1mm in Z direction to absorb mating misalignment and dimensional errors. This is achieved by the blade contacts on the header and the unique spring contacts on the receptacle that are staggered to maintain sufficient deflection range in the limited space.

In addition, the gold plated contacts feature four independent angled contact points that guarantees advantageous contact. The effective mating length of 2mm also contributes to high contact reliability

The moulded guide posts on the header engage with the ribs on the receptacle to allow for a mating alignment movement of +/- 1.3mm in XY directions to simplify the mating operation and prevent incorrect insertion. In addition, there are six keys around the mating face that further prevent reverse insertion.

Different variations are available to allow a vertical, parallel or coplanar board-to-board connection.

Mating variations

HIROSE’s popular FX18 high speed connector can be used on the same board as FX30B to offer a flexible high-speed and high current capability.

The FX30B series is part of the FunctionMAX product family which consists of board-to-board connectors designed to meet the requirements of the industrial market with maximum functionality

Click here to download the FunctionMAX catalogue.

Key Features

  • Contact positions: 2, 3, 4, 5
  • Pitch: 3.81mm / 7.62mm
  • Stack heights: 20, 25 & 30mm
  • Current rating: 13A - 25A* max (* based on 2 position)
  • Voltage rating: 600V AC/DC (TüV / UL/C-UL)
  • Variation Type: Coplanar, Vertical & Parallel
  • Operating Temperature: -55°C to +105°C


The FX30B series is suited to a wide range of applications including industrial equipment, broadcast equipment, medical devices, measuring instruments and projectors.

Click here for more information or to buy from Anglia Live.

Click here to download datasheet for FX30B series.

Anglia are offering customers FREE samples of the FX30B Series Board-to-Board Power Connector from HIROSE, please fill in the form below to register for your FREE samples now.



To register for free samples of the FX30B Series Board-to-Board Connector from HIROSE, please fill in the form below

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FREE samples for UK and Ireland customers only, subject to availability.


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