Automotive Ethernet connectors exceed 100Mb/s

14th January 2015
Posted By : Barney Scott
Automotive Ethernet connectors exceed 100Mb/s

Molex has announced that its Mini50 line of connection systems has been instrumental in setting the performance guidelines being established for Single Twisted Pair Ethernet (IEEE P802.3bw 100BASE-T1), expected to be launched in 2015 by automotive OEMs. Automotive Ethernet was one of the topics discussed at CES 2015, 6th to 9th January in Las Vegas, where the Mini50 Connection System was displayed at many public and private demos.

Mini50 was among the first connection systems with the features required for 100Mb/s transmission speeds, and has since become the defacto evaluation platform for many industry developers. For example, the recently released ‘Automotive Ethernet - The Definitive Guide,’ co-authored by Intrepid Control Systems and Harman International, points to the Mini50 as a defacto solution. The Guide notes that some Automotive Ethernet products are on the market using the Molex Mini50 Connector System, which is significantly smaller than the RJ-45s used for standard Ethernet connections and that the Mini50 Connector Systems are designed and tested specifically for automotive use.

In addition, the Mini50 Connection System has demonstrated suitable performance for targeted 1Gb/s systems that have an appropriate blend of cable and assembly manufacturing processes. With the automotive industry moving rapidly toward Ethernet-based solutions, it was critical that a connection system be identified that meets the requirements of USCAR and other industry specifications. At the same time, that connector system had to deliver baseline requirements for Ethernet electrical performance standards.

With its small form factor and established performance, Mini50 delivers on these demands. Offered in both unsealed and water-resistant sealed versions, Mini50 delivers end-to-end link performance in excess of the required 100Mb/s standard. Mini50 also meets the requirements for Jacketed Unshielded Twisted Pair (JUTP) lengths of 15m and more that industry standards are calling for. The initial Ethernet 100Base-T1 applications to be launched soon by automotive OEMs call for Mini50 connectors in both single- and multiple-pair configurations.

Mini50 Connection Systems have the desirable performance attribute of pairing terminals closer to one another than in competitive 0.50mm systems, thereby providing superior XTalk (Cross Talk - NEXT and FEXT) silicon performance demands.

“Mini50 connectors feature smaller automotive-grade pin and terminal sizes than traditional connectors, so circuits can be packaged in a tighter space while still providing cost savings and robust automotive reliability,” said Mike Gardner, Global Marketing Manager, Molex. “The ever-growing features of applications for the Mini50 Connection System will lead to even more exciting near-term developments that will further establish 0.5mm terminals as the right choice for current and future high-speed sealed or unsealed Ethernet applications.”

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