Board-to-board connector ensures correct and safe mating

3rd May 2017

Alice Matthews

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A versatile board-to-board connector system has been launched by Hirose that combines specialised floating contact alignment with a high-current carrying capability up to 25A. Part of the FunctionMAX connector family, FX30B series has a contact design that can absorb misalignment up to ±0.3mm in the X and Y directions and 1.0mm in Z direction. This is particularly beneficial when multiple connectors are used on the same PCB, as the floating mechanism offers a degree of play between the contacts during mating to ensure correct and safe mating.

The FX30B series contact design utilises staggered spring contacts that face each other. This design offers sufficient contact deflection in limited space, high contact reliability, and low insertion force. Each facing pair of contacts has four points of contact for increased dependability. The company claims that facing contacts also have bent leads that provide increased insulation distance in comparison to traditional straight leads.

Available in coplanar, vertical and right angle versions to meet a wide range of application requirements, the FX30B series is offered in 2, 3, 4, and 5 positions. The connector pitch is either 3.81 or 7.62mm depending on Amperage rating requirements. Six keys around the mating face prevent reverse insertion.

"Optimised for high performance and functionality in a wide range of applications, the FX30B series combines high-current carrying capability with a robust misalignment absorption design ideal when using multiple connectors. The multi-point contact offers superior contact reliability by employing an independent four-point contact spring, and generates low insertion/extraction force by employing a two-step contact timing sequence," said Rick van Weezel, Vice President of Sales and Marketing for Hirose Electric USA.

The FX30B series is designed for use in medical devices, office imaging equipment, measurement equipment, industrial computer systems, broadcast equipment, base station transceivers and industrial machinery.

The FX30B series connector is TÜV and UL certified. The power connector has a rated voltage of up to 250VAC/DC, contact resistance of 2mΩ maximum, insulation resistance of 1,000MΩ minimum, and an operating temperature of -55 to 105°C.