The new FN 9244 filters from Schaffner have expanded that company’s existing IEC filter inlet range. They are available in a variety of options and can be mounted in various ways. The line includes three attenuation classes: standard performance, high performance, and very high performance. All the new filters have been designed for a continuous operating voltage of 250 VAC, … [Read more...]
New Line of Filters Targets Portable Applications
The AOZ803x family of multi-line EMI filters from Alpha & Omega Semiconductor has been crafted to provide EMI/ESD protection in next-generation, portable handheld devices. These filters were designed using the company’s proprietary TVS2™ technology—i.e., Transient Voltage Suppression utilizing Trench Vertical Structures. This filter family features three products: the … [Read more...]
Slim Line EMI Filters Crafted to Ease Assembly and to Reduce Material Costs
The newly introduced 088 Series from LCR Electronics integrates a high attenuation EMI filter and IEC power entry socket with an illuminated power switch and either a fuse or a re-settable circuit breaker in one compact package, reducing the number of components that need to be fitted into a system. Initially developed for use in sports and fitness equipment, which typically … [Read more...]
Digi-Key and Schaffner EMC Announce Global Distribution Agreement
EMI/RFI component manufacturer, Schaffner EMC, and electronics distributor have announced that the two companies have entered into a global distribution agreement for the distribution of Schaffner’s full line of EMC and power quality products, such as chokes, filters, pulse transformers, and feed-through components. Schaffner’s products, now available on Digi-Key’s website, … [Read more...]
Improving the Way We Measure Insertion Loss
A proposed set of new test methods may provide more accurate attenuation data Kermit O. Phipps, Philip F. Keebler, Bradford R. Connatser Many commercial and industrial electrical environments contain equipment that is sensitive to radio-frequency (RF) interference. Theft detectors, digital sensors, and medical-telemetry systems have all been known to malfunction in the … [Read more...]
Performing GR-1089-Core Lightning and Power Cross Test
A review of the test methodologies and equipment required to perform GR-1089-CORE lightning and power cross testing James Press, Jennifer Lawrence, Mark Betts, John Ngo ABSTRACT The pitfalls and difficulties in performing testing in accordance with GR-1089-CORE, Section 4 are discussed. A brief description of the GR-1089-CORE document is presented to familiarize the reader … [Read more...]
EMC in Space …
Successfully dealing with EMC in space systems requires strong EMC engineering Daryl Gerke, PE, and William Kimmel, PE Many of us in the EMC business came of age during the “space race” of the 1950s, 60s, and 70s. We well remember names like Sputnik, Mercury, Gemini, and of course, Apollo. Some of us in the EMC business have even been fortunate enough to spend some (or all) or … [Read more...]
Smaller Footprint Provides Excellent Chip Bead Solution for Portable / Handheld Electronic Applications
Laird Technologies, Inc. has announced its new line of EIA 0201 Ferrite Chip Beads that extends the existing 0402 to 3312 surface-mounted monolithic EMI suppression product families. The LI0201 chip beads’ smaller, miniature footprint make them ideal for advanced handheld electronic devices such as cellular phones, Bluetooth® handsets, PDAs, GPS, MP3 players, digital … [Read more...]
New Slim Line EMI Filter Series Combines Power Entry Functions to Reduce Assembly Time and Material Costs
LCR Electronics now offers a series of double-stage, low-profile EMI filters that provides easier assembly and reduced material costs. The new 088 Series integrates a high attenuation EMI filter and IEC power entry socket with an illuminated power switch and either a fuse or a re-settable circuit breaker into one compact package, reducing the number of components that need to … [Read more...]
Compact Ferrite Beads Target Handheld Electronic Applications
A new series of boxes from TEKO Enclosures comes in sizes of 2.13 × 1.97 × 0.62 inches and 2.13 × 1.97 × 0.75 inches. These RF-PCB boxes are designed for on-board EMI/RFI shielding of components. The enclosures are manufactured in hot tin-plated mild steel with flanged removable lids. Four locating legs are located on each side for securing the box onto the PCB. The deeper size … [Read more...]
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