Low-profile common mode choke suppresses noise in CAN or CAN FD designs

For automotive and industrial automation applications, Coilcraft’s 1812CAN series common mode chokes provide noise suppression on CAN (1.0 Mbit per second) or CAN FD (5.0 Mbit per second) data lines.

CAN common mode chokes are the most commonly-used filter component to attenuate common mode noise at the CAN bus transceiver’s output. The 1812CAN series can also be used for the FlexRay automotive bus system.

Measuring 4.95 X 3.18 X 3.0mm, the low-profile 1812CAN series chokes are offered with inductance values from 11 to 100 microH to filter a broad range of common mode noise frequencies with high attenuation. It offers up to 60 per cent lower DCR than other CAN bus chokes, claims Coilcraft, resulting in much lower losses on differential signal lines.

The 1812CAN series is qualified to AEC-Q200 Grade 1 standards (-40 to +125 degrees C ambient), suitable for automotive and other harsh-environment applications. The chokes also feature RoHS-compliant, silver-palladium-platinum-glass frit terminations and offer a maximum reflow temperature of 260 degrees C.

Technical specifications and free evaluation samples of the 1812CAN Series are available now.

Coilcraft is headquartered outside Chicago, Illinois, USA. It supplies magnetic components including high performance RF chip inductors, power magnetics and filters. In addition to a large selection of standard components, Coilcraft also designs and builds custom magnetics to fit a customer’s exact electrical requirements.

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