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Converter modules offer very high density, efficiency

May 20, 2014 9:28 am | Vicor Corp. | Product Releases | Comments

Vicor (Andover, MA) announced a new platform of isolated, regulated DC/DC converter modules based on the company’s Converter housed in Package (ChiP) power component platform. Delivering up to 2X the power density of conventional DC/DC converters…

10-A backup power controller IC provides capacitor-based uninterrupted power

May 19, 2014 11:46 am | Linear Technology Corporation | Product Releases | Comments

Linear Technology Corporation introduced the LTC3350, a supercapacitor charger and backup controller IC that provides all PowerPath control, capacitor stack charging and balancing, and capacitor “health” monitoring to ensure that the backup system is capable of reliable operation.

PSUs in 1U package offer very high power density

May 19, 2014 10:10 am | Excelsys Technologies Ltd | Product Releases | Comments

Excelsys Technologies (Cork, Ireland) introduced its XSolo family of 1U-high, single-output switching power supply units (PSUs). The XSolo family is offered in a convection-cooled 504-W open-frame U-channel form-factor model (6.8 W/cu.in.) and an enclosed, fan-cooled chassis model that delivers…

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Medium power film capacitors suit high frequency and high pulse rise-time circuits

May 16, 2014 2:32 pm | Avx Corporation | Product Releases | Comments

AVX Corporation (Greenville, SC) released the new FM Series medium power film capacitors. Non-inductively wound with dry, metallized polypropylene film dielectric and encapsulated in a flame retardant plastic case sealed with self-extinguishing, thermosetting epoxy resin and…

Grid resistors offer high power ratings to 6.5 kW

May 16, 2014 11:33 am | Vishay Intertechnology | Product Releases | Comments

Vishay Intertechnology, Inc. (Malvern, PA) introduced a new series of high-power, high-current grid resistors. Vishay Milwaukee GRE1 devices combine high power ratings to 6.5 kW and high operating temperatures to +400 °C with…

How to select the world’s most reliable off-the-shelf capacitors

May 16, 2014 7:17 am | by Kemet | Articles | Comments

Companies developing high-tech equipment for defense, aerospace, medical and other high-reliability applications seek Commercial Off The Shelf (COTS) – rather than custom - solutions to deliver high-performance products, quickly and at the lowest possible cost....

2014 IMPACT Award Winner: Vishay Precision Group wins for Power Sources and Conditioning Devices

May 15, 2014 1:00 pm | Product Releases | Comments

Ultra-high-precision Z-Foil power current sensing resistors from Vishay Precision Group is for applications where rapid ΔR stabilization and resistance stability under transient power conditions are required. Features include low TCR of ±0.2 ppm/°C from -55°C to +125°C, +25°C ref.....

2014 IMPACT Award Winner: API Technologies wins for Power Sources and Conditioning Devices

May 15, 2014 12:48 pm | Api Technologies | Product Releases | Comments

The TPS75 Tactical Power Supply from API Technologies (Orlando, FL) is a tactical, commercial off-the-shelf (COTS), 75 Amp, DC power supply specifically designed for powering RF and mobile networks, C4ISR applications, and unmanned systems. Other features include ...

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2014 IMPACT Award Winner: Acopian Power Supplies wins for Power Sources and Conditioning Devices

May 15, 2014 12:37 pm | Acopian | Product Releases | Comments

AC-DC power supplies from Acopian Power Supplies (Easton, PA) featuring wide-adjust output voltages from 0V-5V to 0-135V and current capabilities up to 70A, the 1U format single output voltage power supplies offer 750W of output power. These rack and benchtop modules notably provide high power density....

Engineering Update 58: Ground-based laser burns through enemy boats

May 15, 2014 10:35 am | by Jon Dipierro, Multimedia Production Specialist | Videos | Comments

We've previously discussed the Navy's Laser Weapon System (or LaWS), a solid-state laser capable of burning through drones and small enemy boats with the lethality of a blowtorch. But in the meantime, Lockheed Martin has been hard at work developing a prototype ground-based laser....

SiC 1200-V MOSFET boasts RDS(ON) of 25-mOhms in TO-247-3 package

May 15, 2014 9:45 am | Product Releases | Comments

Cree (Durham, NC) introduced a silicon carbide (SiC) 1200-V MOSFET with an RDS(ON) of 25 mΩ in an industry standard TO-247-3 package. The C2M0025120D, is expected to be widely adopted in PV inverters, high voltage DC/DC converters, induction…

At Wal-Mart, Obama touts steps to deploy solar technology

May 15, 2014 8:57 am | by Associated Press | News | Comments

Calling it the right thing to do for America's bottom line, President Barack Obama announced new steps Friday by companies, local governments and his own administration to deploy solar technology, showcasing steps to combat climate change that don't require consent from a disinclined Congress....

Advance brings 'hyperbolic metamaterials' closer to reality

May 14, 2014 12:32 pm | by Purdue University | News | Comments

WEST LAFAYETTE, Ind. - Researchers have taken a step toward practical applications for "hyperbolic metamaterials," ultra-thin crystalline films that could bring optical advances including powerful microscopes, quantum computers and high-performance solar cells.

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Unified superconductors possible with improved materials

May 14, 2014 12:28 pm | by SISSA | News | Comments

Superconductors are promising materials, with applications ranging from medicine to transport.  Unfortunately, though, their use is for the time being limited to the very low temperatures (close to absolute zero) necessary for superconductivity to occur.

USABC Reissues RFPI for development of advanced, high performance batteries for 48-V HEV applications

May 14, 2014 10:23 am | News | Comments

The United States Advanced Battery Consortium LLC (USABC), a collaborative organization operated by Chrysler Group LLC, Ford Motor Company and General Motors, has reissued a request for proposal information (RFPI) for the development of advanced high-performance batteries for 48-volt mild-hybrid electric vehicle (HEV) applications.

How to Avoid Conducted EMI Problems – Part II

May 14, 2014 9:50 am | by Brian King, Texas Instruments | Texas Instruments | Blogs | Comments

Following these four basic tips can help ease your pain when it comes to EMI compliance.  Of course, the topic of EMI is a broad one, and there are many other tips that could be mentioned. Recall that in Part I of our discussion, we focused on what happens when...

How To: Improve power factor and THD using DFF control

May 13, 2014 10:56 am | by Bosheng Sun | Blogs | Comments

For decades, average current-mode control has been used in power factor correction (PFC), and various PFC control chips that employ this control algorithm can be found in the commercial market. The performance of average current-mode control is often considered adequate for most commercial power applications with 50/60 Hz AC line input. However...

Second Energy Storage India Conference & Expo to be held in December 2014

May 13, 2014 8:52 am | Product Releases | Comments

The structural realignment of the energy infrastructure in India is the focus of the 2nd ENERGY STORAGE INDIA Conference & Expo, taking place from December 4 - 5, 2014 in New Delhi. With the main focus on new technologically and economically viable energy storage and microgrid technologies, the Conference & Expo will systematically present a selection of

Quadriplegic races 'Vette with help from AF Performance Lab

May 12, 2014 12:39 pm | by Ted Theopolos, U.S. Air Force | News | Comments

Human performance technologies developed by the Air Force Research Laboratory, along with Ball Aerospace & Technologies Corp., were on display here May 6 as quadriplegic Sam Schmidt, a former Indy Racing League driver, got back behind the wheel once again. The test took place on the 7,500 foot runway just south of the National Museum of the U.S. Air Force.

Filters offer high interstion loss performance

May 12, 2014 9:13 am | Product Releases | Comments

To prevent the covert interrogation of conducted lines, MPE Ltd of Liverpool, UK, has long specialised in the design and manufacture of TEMPEST specification filters, in both standard and custom formats, that offer high insertion loss performance across a very wide frequency spectrum. Now the company has launched a new range of convenient, plug-in TEMPEST filters in 1-, 2- and 4-socket and inline versions.

Flexible supercapacitor raises bar for volumetric energy density

May 12, 2014 8:59 am | by Eurekalert! | News | Comments

Scientists have taken a large step toward making a fiber-like energy storage device that can be woven into clothing and power wearable medical monitors, communications equipment or other small electronics. The device is a supercapacitor—a cousin to the battery. This one packs an interconnected network of graphene and carbon nanotubes so...

Fueling aviation with hardwoods

May 8, 2014 4:51 pm | by Eurekalert! | News | Comments

A key challenge in the biofuels landscape is to get more advanced biofuels—fuels other than corn ethanol and vegetable oil-based biodiesel—into the transportation pool. Utilization of advanced biofuels is stipulated by the Energy Independence and Security Act; however, current production levels lag behind proposed targets.

NASA tests alternative jet fuel

May 8, 2014 4:32 pm | by NASA | News | Comments

NASA took to the skies this week - along with international partners the German Aerospace Center (DLR) and National Research Council of Canada (NRC) - to begin a series of flight tests to gather critical data that may aid in the development of cleaner aircraft fuels.

Connecters designed for harsh environment automotive needs

May 8, 2014 12:49 pm | Molex | Product Releases | Comments

Molex Incorporated (Lisle, IL) introduces the ruggedized Imperium™ High-Voltage/High-Current (HVHC) Connector System, a high voltage and amperage solution that delivers reliable performance even in the most extreme shock and vibration conditions found in today’s commercial vehicles.

Photos of the Day: Solar car maxes out at 93mph

May 8, 2014 12:24 pm | by The Associated Press | News | Comments

In this April 30, 2014 photo, Qazvin Azad University students assemble the rectangular Havin-2, or Brilliant Sun, in Qazvin, Iran. The Havin-2 drove for tests alongside slightly larger gas-powered motor vehicles outside the capital, Tehran, ahead of the eight-day, 1,700-mile (2,700-kilometer) race that will take it from Austin, Texas to Minneapolis.

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