Choke coil for Automotive Ethernet withstands high temperatures

November 25, 2019 //By Wisse Hettinga
Choke coil for Automotive Ethernet that can withstand temperatures up to 150 degrees Celsius
Murata's DLW32MH201YK2, a common mode choke coil (CMCC) for Automotive Ethernet*1 (100BASE-T1*2) can withstand extreme temperatures ranging from -55 to +150°C,

In recent years, as cars have been equipped with more advanced features, the number of ECUs*4 installed in cars has been increasing in order to support the functioning of autonomous driving systems such as ADAS*5. As networks for connecting these ECUs, high-speed interfaces that support the differential signal transmission systems*6 like Automotive Ethernet are becoming common. Along with this trend, there is a growing need for components that can be used in high-temperature environments such as engine rooms.

This product has an operating temperature range of -55 to +150°C, which compares favorably to the -40 to +125°C temperature range of conventional products, allowing it to be used in harsh temperature environments. This improved performance has been achieved by employing metal termination that absorbs the stresses associated with temperature change as well as by optimizing the combination of Murata's own original materials and product design. Moreover, as the product’s size has been kept small, ECUs can be installed in a wider range of areas.

Specification highlights

  • Suitable for Automotive Ethernet (100BASE-T1)
  • Operating temperature range -55 ~ +150°C
  • 1210 inch size (3.2 mm x 2.5 mm)
  • Compliant to AEC-Q200*7
  • Rated voltage 80V

More information at www.murata.com

 

 


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