The new JHM series from XP Power consists of ultra compact low power isolated DC/DC converters. Offered in both 3- and 6-W board mounted versions, they are packaged in industry standard 24-pin DIP. The devices conform to EN55011 and EN55022 level A standards for conducted and radiated EMI, as well as to international medical equipment safety standards UL/IEC 6060-1 and … [Read more...]
MIL-STD Compliant EMI Filter Modules Targets Space Applications
The SFCS28-461™ EMI Filter modules from Crane Interpoint Aerospace & Electronics reduce the reflected input ripple current of high frequency DC/DC converters. One filter can be used with multiple converters up to the rated throughput current of the filter. THE SFCS28 filter offers three screening options—Space Prototype (O), Class H, or Class K. They are radiation tolerant … [Read more...]
Soft Termination Capacitors Boost Reliability
A new line of soft termination multi-layer chip capacitors from TDK Corporation offers improved thermal and mechanical strength. To address reliability of C1005 (CC0402) through C3225 (CC210) case sizes, TDK has developed a four-layer termination structure. This new product adds a conductive resin layer between the copper base material and the nickel plating layer. Although the … [Read more...]
Eye Meter Series Provides EMI, RF, and ESD Detection
The new 3M EM Eye Meter from 3M Electronic Solutions Division provides three devices in one unit. It consists of a base unit and three separate sensors for electromagnetic interference, radio frequency, and electrostatic discharge. The EM Eye Meter instantly displays information on its color touch screen and logs data on an SD card. The 3M meter’s hand-held size portability … [Read more...]
Shielded Inductors Foil Power Line EMI Problems
The new 1200RS and 1200LRS series of inductors from Murata Power Solutions provide power line filtering in low to medium current applications such as switch power supply circuits. With an integrated ferrite shield, these devices are particularly useful in applications with increased susceptibility to EMI. The through-hole, radial-leaded devices have compact overall dimensions … [Read more...]
Common Mode Choke Offers EMI Filtering and ESD Protection
The new NUC2401MN from ON Semiconductor is an integrated common mode choke and ESD discharge protection IC for high-speed data applications. Integrating the equivalent of five discrete components into a DFN package measuring just 2.0 mm x 2.0 mm, the NUC2401MN combines common mode EMI filtering with ESD protection to ±12 kV in accordance to the IEC 6100-4-2 industry standard … [Read more...]
Board Level EMI Shield Targets Wireless Communication Applications
A multi-cavity board level shield from W.L. Gore is dubbed Gore™ snapSHOT™ and provides EMI shielding for wireless communication devices. The technology utilized consists of a lightweight, metalized plastic shield that can be thermoformed for virtually any design and an innovative attachment mechanism using solder spheres as individual mechanical snap features. The shield is … [Read more...]
Two-Piece BLS Choices Expands Design Options
The Snap-Shield and the Vault-Shield from Orbel Precision Solutions are the two newest additions to the E-Z Shield™ BLS (board level shielding) line. The versatile shields are suitable for either surface mount or through-hole applications. Utilizing standard universal tooling allows PCB designers to build custom configured shields with little to no tooling costs. The designer … [Read more...]
The Global EMC University: 2009 IEEE International Symposium on Electromagnetic Compatibility
The Global EMC University was first offered at the 2007 IEEE EMC Symposium in Honolulu, Hawaii as a means of helping engineers who were new to EMC to get up to speed on a variety of topics that are an important part of EMC engineering. The overwhelming response to this program caused the Symposium Committee to add it to the Technical Program for the 2008 Symposium in Detroit … [Read more...]
EMC Filters for Improved Solar Reliability
The FN 2200 range of filters from Schaffner reduces conducted emissions when used with photovoltaic solar energy inverters on the DC input side. Conducted emissions toward the solar panel are reduced along with the probability of EMI radiation from the solar panel, thus preventing premature panel aging caused by HF leakage currents. When used in conjunction with the … [Read more...]
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