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HFD-U2 sealed series

In-vehicle Ethernet is Ethernet communication technology based on standards suitable for in-vehicle networks in automobiles.
Sumitomo HFD-U2 series conforms to the *IEEE 802.3bw 100BASE-T1 (in-vehicle Ethernet) standard.
HFD-U2 connector series is based on the Ethernet technology used in consumer and industrial applications, it meets the requirements of automobiles such as harness cost reduction,real-time communication and weight saving by uses UTP(Unshielded Twisted Pair) cables.

* IEEE is an organization in the field of electrical and information engineering and a technology standardization institution based in the United States.

Series Type Low voltage
current resistance
Insulation Resistance Working Temperature Transmission characteristics
HFD-U2 sealed
  • 1 pair
Max. 10mΩ (Initial) Min. 100MΩ -40℃ ~ +80℃ IEEE 100 BASE-T1
Definitions for
Communication Channel 5.1.2