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Common-mode choke is first to meet requirements of 1000BASE-T1 automotive LAN

Vehicle communication busses carry increased-bandwidth data from higher resolution image sensors and more complex electronic control units

Murata announces the sampling of the world’s first common mode choke coil designed to be fully compatible with the automotive high-speed (1Gbps) LAN standard, 1000BASE-T1. 

The new DLW32MH101XT2 is the industry’s smallest common mode choke coil for 1000BASE-T1 applications. 

Vehicle technology has rapidly evolved in recent years to include advanced driver assistance systems (ADAS) and sophisticated in-vehicle infotainment (IVI) while moving ever closer to fully autonomous operation. 

As a result, vehicle communication busses carry increased-bandwidth data from higher resolution image sensors and more complex electronic control units (ECUs). 

To support this traffic, the 1000BASE-T1 standard is expected to become widespread in the future.

The DLW32MH101XT2 supports the S-Parameter characteristics specified by the OPEN alliance automotive network standard organization and meets the characteristics for noise filters in 1000BASE-T1 communications. 

Through the application of Murata’s winding technology and using a unique winding structure, the device is the smallest currently available, measuring just 3.2 x 2.5 mm x 2.5 mm and weighing just 0.064 g. It offers an inductance value of 100 uH and a typical DC resistance of 2.6 Ohm and is rated for currents up to 100 mA.

Compliant with the AEC-Q200 automotive standard, the common mode choke coil offers an extended temperature range of -40 C to +125 C, making it ideal for demanding automotive applications.

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