Sponsored by ITG Electronics At higher frequencies the impedance of a common mode choke becomes an important factor to effectively suppress EMI noise. This paper will discuss common mode noise generators and how it can be suppressed by using a common mode choke; further discussing impedance improvements by using different winding techniques and wire shapes that enhance the … [Read more...]
ITG Electronics introduces New Line of Flat Wire Common Mode Chokes
Elmsford, NY February 2018 – ITG Electronics, a leading manufacturer of Inductors and Transformers in business since 1963, now offers a range common footprints as well as custom flat wire common mode chokes (CMC) for high power density and high frequency switching. Flat wire CMCs utilize a flattened, rectangular cross section, copper wire instead of a traditional, circular … [Read more...]
Compact Automotive Feedthrough Filter With Highest Capacitance
TDK Corporation has extended its lineup of 3-terminal feedthrough filters for automotive applications. The new YFF18AC0J105M type is available in an IEC 1608 package (EIA 0603) with compact dimensions of just 1.6 mm x 0.8 mm x 0.6 mm and features *the industry’s highest capacitance of 1 µF for a feedthrough filter of its size. The component offers a rated current of 2 A and a … [Read more...]
New Magnetic Components Catalog from Wurth Electronics Midcom Released
Watertown (USA), 11 January 2018 – Wurth Electronics Midcom is proud to announce the publication of the newest Finished Magnetic Components Catalog. The 2018 Finished Magnetic Components Catalog is the first edition from Wurth Electronics Midcom, and includes all finished transformer and toroid series available in our online catalog. This comprehensive catalog includes all … [Read more...]
Call For Authors/Bloggers – Editorial Submissions to Interference Technology Magazine
In over 45 years of publication, Interference Technology has earned a reputation for publishing only the highest quality technical articles that focus on practical and innovative technological developments in the EMC, EMI, and RFI fields. Product designers and EMC/compliance engineers have come to rely on Interference Technology as a source of quality, unbiased, non-commercial … [Read more...]
Interference-Suppressed Thick Cables with Snap Ferrite
STAR-TEC, the patented snap ferrite (with key) for supplementary interference suppression on the cable, is a classic in the Würth Elektronik eiSos program. The STAR-TEC product family has now been extended with three additional versions for cables of diameters from 12 to 25 mm. The EMC ferrites serve for supplementary interference suppression in the 1 MHz to 1 GHz range. The … [Read more...]
New Series Capacitor Exhibits Low ESR/ESL, Low Noise, High Self-Resonance
Passive Plus, Inc. (PPI) is now offering the 0708N (.070” x .080”) series capacitor. These parts exhibit Low ESR/ESL, Low Noise,High Self-Resonance as well as ultra-stable performance over temperature. These capacitors are 100% RoHS compliant. Usually used for wireless broadcasting equipment, mobile base stations, GPS, MRI, and Radar applications and offered in magnetic and … [Read more...]
Book Review: Foundations of Electromagnetic Compatibility (Adamczyk)
OK, this is not a book for the faint-hearted. Bogdan Adamczyk is a professor of engineering and the founder of the EMC Center at Grand Valley State University in Grand Rapids, MI. As such his recent book, Foundations of Electromagnetic Compatibility with Practical Applications (Wiley 2017, ISBN 978-1-119-12078-0) is crammed with derivations of basic electromagnetic … [Read more...]
Troubleshooting Radiated Immunity for Medical Products – Case Study
Introduction Companies making medical products have much more stringent requirements now that the new IEC 60601-1-2 (Edition 4) became effective June 17, 2017. One of the many changes included increased radiated immunity requirements in several specific wireless and communications bands (Table 1). Highlights of all the changes are included in Interference Technology’s free … [Read more...]
Selecting the Proper EMI Filter Circuit For Military and Defense Applications
Introduction Insertion loss, the term used to express a filter’s ability to reduce or attenuate unwanted signals, has traditionally been measured in a 50 ohm source and 50 ohm load impedance condition, as standardized in MIL-STD-220. In this matched 50 ohm impedance condition, various types of filter circuit configurations, single capacitor, “L’s”, “PI’s”, and “T’s”, will … [Read more...]
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