Hirose – Compact FPC-to-board connectors support USB3.1 connectivity

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Hirose’s BM28 series of connectors provides robust, high-power performance in small devices requiring USB3.1 connectivity.
The BM28 range of connectors consists of headers and receptacles which provide a hybrid power and signal connection between a Flat Printed Circuit (FPC) and a board.

When mated, the BM28’s parallel stack height is only 0.6mm with a narrow depth of 1.7mm, making this one of the smallest hybrid FPC- to-board connectors on the market.

Although the connector’s dimensions are compact, performance is not compromised, and the connectors are able to offer highly reliable mechanical connection. This is due to the provision of two-point contacts and a long effective mating length of 0.13mm for signals and 0.10mm for power.

The connector can support high-speed transmission at data rates up to 10Gbits/s. The pin assignment is compatible with the USB3.1 second-generation standard.

Guide ribs are incorporated into the housing body, providing for a wide self-alignment range of 0.3mm in the x direction and 0.3mm in the y direction, and permitting a smoother mating operation. The metal covering on the guide ribs enhances robustness and prevents damage from incorrect mating or any unintended unmating due to drop impacts.

FEATURES

  • 10, 16, 20, 24, 30, 34, 40, 44 or 58 signal contacts
  • Two power contacts
  • 0.35mm contact pitch
  • Current ratings:
    - 5A power
    - 0.3A signal for ≤40 positions
    - 0.2A signal for more than 40 positions
  • 30V rating
  • 10 mating cycles

APPLICATIONS

  • Point-of-sale equipment
  • Medical devices
  • Wearable devices
  • Drones
  • Small sensors
  • IoT modules

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