The Experts at Crane Aerospace & Electronics have compiled an Application Note on “Measurement and Filtering of Output Noise of DC/DC Converters.”READ MORE … [Read more...]
New Ferrite Material Features Low Power Loss
N95 is a new power ferrite material from EPCOS. This material features an exceptionally low power loss. In contrast to existing materials, N95 offers a constant minimum of 310 kW/m3 over a broad temperature range of between 60 and 100 degrees C. Depending on the temperature, this figure is 15 to 54 percent lower than the losses of conventional ferrite materials. Another … [Read more...]
Ferrite Chip Bead Arrays Suppress Signal Line Noise
The Type FBA denotes a multilayer ferrite chip bead array from KOA Speers Electronics that retains all the features of multilayer ferrite chip beads. It suppresses noise in signal I/O lines and other circuits that require multi-bead noise suppression. The single-package FBA conserves PCB “real estate” and helps to reduce assembly costs. The series is available in a wide range … [Read more...]
EMI Filters Offer Optional Surge Suppression
EMI filter modules from Foster Transformer are available with optional surge protection and can be mounted with ¼″ quick connect terminals, allowing their installation where needed—even multiple locations within a piece of equipment. Fully encapsulated construction complies with EN 133200 and UL 1283, while a UL94 VO plastic enclosure increases protection against electrical … [Read more...]
MORE FILTERS & FERRITES
New Ferrite Bead Melds High Current Capacity, Noise Suppression, & Low DC Resistance The BLM18KG is the latest addition to Murata Electronics BLM Series. Compared to conventional 0603 power beads, the BLM18KG can manage 1.5 to 2 times the rated current and is capable of handling up to 6 amps. These 0603 sized ferrite beads can offer comparable performance to larger more … [Read more...]
AR’s Impulse Generator, Leak Detector and Noise Meter
AR RF/Microwave Instrumentation offers several products for use in EMC testing, including: Variable Rate Impulse Generator: AR’s Model 533X-11M (10 kHz–1 GHz) variable repetition rate impulse generator is a calibrated broadband signal source that is used primarily as a calibrator when performing substitution type interference measurements. It has a variable pulse repetition … [Read more...]
EMI/ESD Filter Arrays Offer Input Loss of
The VEMI45L-HNH and the VEMI85LA-HGK from Vishay Intertechnology are four- and eight-channel LC EMI/ESD filter arrays with input loss ofSee the original announcement on the Vishay Intertechnology website. … [Read more...]
Power Module Incorporates EMI Filter for Use in Medical Equipment
The ISL8201M from Intersil is a highly integrated power conversion module. It provides a high efficiency, low-noise DC/DC power solution in a thermally enhanced QFN package. Its onboard input filter supports low noise operation and reduced EMI. The small form factor of the ISL8201M conserves board space, and its integration of functions cuts procurement and placement costs in … [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...]
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...]
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