M12 Ethernet connector offers a rugged connection with integrated magnetics

20-07-2021 | Wurth | Connectors, Switches & EMECH

Würth Elektronik has expanded its product portfolio with an industrial Ethernet M12 connector. The special option of this sturdy M12 socket: The transformer and current-compensated choke are already integrated. With the manufacturer’s fitting screw connector, device developers and system builders can utilise cabling that satisfies protection class IP67 employed in harsh environments if in a mated and secured position. The connector is assembled on the board with through-hole reflow technology. This indicates that the data connection with WE-LANMX is protected against water and dust and rugged against vibrations.


The connector is simpler and more space-saving than a traditional M12 connector. The important components are already integrated into the housing: The especially small signal transformer WE-STST, the data line filter WE-CNSW providing high common-mode attenuation, and the ‘Bob Smith’ termination for Ethernet. With the LCP housing material and special housing form, as well as the shape of the pins. The company has made the THT connector reflow solderable. The operating temperature of the series ranges from -40C to +85C. The connector is suitable for all types of 10/100Base-T Ethernet connections, such as EtherNet/IP, Profinet, EtherCAT or Ethernet Powerlink.

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