Circuit & System Protection


Compact EMC filters for medical applications

25 July 2007 Circuit & System Protection

The new, compact 2-line filters of Epcos' SIFI-F (B84111F*M) series are now also available in medical versions. Not only do they offer all the advantages of the standard version, they also boast an extremely low maximum leakage current of 2 μA. With its compact dimensions, the SIFI series is therefore well suited for medical applications such as ultrasound devices, X-ray systems and other medical diagnostic devices where low leakage current is a critical factor.

Despite their compact design, they offer very good suppression of symmetrical and asymmetrical interference. The SIFI-F, along with the larger SIFI-G and SIFI-H, is designed for the climate category of up to +100°C. Filters for all current strengths up to 36 A are available.



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