Vishay Intertechnology, Inc. has announced a new series of surface-mount ESD protection diodes in a low-profile SMF package that provide high surge capability of 200 W at 10/1000 µs for portable electronics. The SMFxxA series consists of 32 devices with working voltages from 5 V to 58 V. The new devices offer a peak pulse current from 2.1 A to 21.7 A, excellent clamping … [Read more...]
Power Grid, Mains Filtering and Power Line Communications… A Root Cause for Incompatibilities?
This article has been translated from Dutch to English. It can be found in its original language in the 2014 Europe EMC Guide. Mart Coenen, Owner, EMCMCC, the Netherlands The power grid is intentionally meant to distribute electrical energy at the mains frequency, as produced by the electricity generating plants, towards the end-users. The three-phase low-voltage distribution … [Read more...]
TVS Arrays for Circuit Protection in Smartphones
Semiconductor company ProTek Devices has introduced a new series of transient voltage suppressor (TVS) arrays for circuit protection in applications such as smartphones and other portable electronics, USB interfaces and Ethernet 10/100/1000 base T. The new GBLCxxCDN series includes five ultra-low capacitance (3pF typical), low leakage current TVS arrays. The five devices and … [Read more...]
Automotive Grade MLCCs Offer Reliable ESD Protection
Electronics company TDK Corporation has released the new CGA3EA series of automotive grade MLCCs, which meet the ESD immunity requirements according to the IEC 61000-4-2 standard. Available in package size 1608 (EIA 0603) with rated capacitances ranging from 1 nF to 10 nF and a rated voltage of 100 V, the new series is comprised of two lineups of MLCCs with different thermal … [Read more...]
High Current Shielded Power Inductors Available in Low DCR and High Isat Versions
Magnetic component supplier Coilcraft’s new SER80xx series high current shielded power inductors are offered in two versions—one providing exceptionally low DC resistance and the other offering saturation current ratings up to 53 Amps—making them ideal for a broad range of applications. Designed for applications with high average current (up to 13 A rms), the low DCR version … [Read more...]
New Three-Phase Line Reactors for Frequency Converters
Electronic components manufacturer TDK Corporation has released new EPCOS standard three-phase line reactors for frequency converters with input rectifier stages. Designed for a rated voltage of 520 V AC and a short-circuit voltage of 5-6 percent—depending on the type—the new B86305L* series line reactors are suitable for suppressing electromagnetic interference caused by the … [Read more...]
Scientists Harness Power of Lightning to Charge Mobile Phone
A collaborative effort between the University of Southhampton, UK and smartphone manufacturer Nokia has yielded new proof-of-concept research on harnessing the power of lightning to charge electronic devices. At the university’s Tony Davies High Voltage Laboratory—one of the world’s leading high voltage laboratories—researchers successfully used energy similar to that of a … [Read more...]
Charge Generation of ESD Sensitive Devices: Understanding the Risks of Protective Packaging
Bob Vermillion, CPP/Fellow Certified ESD & Product Safety Control Engineer-iNARTE RMV Technology Group, LLC NASA-Ames Research Center Moffett Field, CA 94035 Several years ago, Ray Gompf, Ph.D., PE (Ret.), NASA, Kennedy Space Center and the author evaluated 7” x 7” ESD corrugated, Kraft and bleached B-Flute corrugated substrates for Tribocharge Generation at low … [Read more...]
Defending Ethernet Ports from Electrical Transient Events
Timothy Puls Semtech Corporation Ethernet is ubiquitous. From base station backhaul, to wireless access points, to IP surveillance cameras – Ethernet is found everywhere. And, the devices enabling this Ethernet traffic – the miniature transceiver ICs driving the communications infrastructure – are more advanced than ever before. Before 2010, Ethernet physical-layer … [Read more...]
TVS Array Protects Computing Applications from ESD and EFT
Semiconductor company ProTek Devices has released a new low capacitance transient voltage suppressor (TVS) array designed to protect computing applications from the damaging effects of electrostatic discharge (ESD) and electrical fast transients (EFT). “At higher operating frequencies or faster edge rates, insertion loss and signal integrity are a major circuit protection … [Read more...]
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