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Compact EMC filters promise low leakage current

Posted: 20 Sep 2013 ?? ?Print Version ?Bookmark and Share

Keywords:EMC filter? converter? power electronics system?

TDK Corp. has pushed out the door a series of EPCOS EMC filters that boasts a very compact size. The B84142A*166 series of 2-line filters features types designed for rated currents of 10A, 16A and 30A at a rated voltage of 250VAC (50/60Hz). The 10A and 16A types measure only 84.5 x 52 x 38mm, and the 30A version only 130 x 84 x 69mm.

This permits mounting even when space is very limited. Another feature of the series is its extremely low leakage current of less than 0.5mA and 1.8mA, depending on type, noted the firm. This prevents unintentional tripping of ground fault circuit interrupters (also known as residual current devices). In addition to their compact size, these filters offer a very high insertion loss of up to more than 100dB, TDK continued.

The filters meet the requirements for climate category 25/100/21, IEC 60068 1 and protection class IP00. The filters can be operated without derating at ambient temperatures of up to 50C. Approvals to EN, UL and CSA are pending. Applications for the EMC filters include converters and power electronics systems.

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