Product News: Electronic Components & Devices

Electrical Double-Layer Capacitors offer high power density.

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Press Release Summary:

January 10, 2013 - Offering stable temperature characteristics and 40–60 mΩ resistance, DMF series can be charged and discharged frequently over -30 to +70°C operating range. Capacitance values of 330 and 470 mF support various energy requirement demands, and package thickness ranges from 2.5 mm ±0.2 mm to 3.2 mm ±0.2 mm. All products in series provide instantaneous maximum working voltage of 5.5 V and have simplified, inline terminal configuration that optimizes board space.

Murata Electronics North America, Inc.

2200 Lake Park Dr., Smyrna, GA, 30080, USA

Original Press Release

High Peak Current Electrical Double-Layer Capacitors from Murata

Press release date: January 8, 2013

DMF Series Features High Capacitance and Low ESR, in Small, Ultra-thin Package

Smyrna, GA - Murata Americas today introduced its DMF series, a high peak current electrical double-layer capacitor (EDLC). The newest EDLC offering from Murata also features low resistance (40mΩ to 60mΩ) and stable temperature characteristics, enabling it to be charged and discharged frequently over the operating range of -30°C to +70°C. Initially, the DMF series will be offered with 330mF and 470mF capacitance values to support various energy requirement demands. Package thickness ranges from 2.5mm±0.2mm to 3.2mm±0.2mm and all products in the series provide an instantaneous maximum working voltage of 5.5V.

The DMF series features the highest power density levels available on the market, making the advanced supercapacitors ideal for use as an auxiliary power source in LED flash units, digital cameras and cell phones. Additional applications include peak load assist for GSM PA's, smart meters, compact motor starters, and USB power bus.

The new EDLC design provides an optimized internal configuration to improve energy and power density. In addition, the DMF series offers a simplified, inline terminal configuration that optimizes board space. The low ESR allows for high output current with quick charge and discharge characteristics.

The basis behind this new technology is the result of Murata's collaborations with CAP-XX. In order to meet consumer demand for mobile devices with greater efficiency and functionality, Murata strategically acquired leading edge super cap technology from CAP-XX in 2008. Murata's focus on EDLC research and development, coupled with CAP-XX's expertise, has led to the advancement of the enhanced EDLC design.

DMF series pricing in sample/prototype quantities ranges from $3.75 - $4.25 depending on the model. Samples are available from stock to 2 weeks with production lead times of 8 weeks. More information can be found at www.murataamericas.com/edlc.

"Murata's research continues to push capacitor technology further and further," said Mark Waugh, business development manager Murata Americas. "With the new DMF series, Murata is again able to provide miniaturized supercapacitors with outstanding features, performance and value."

About Murata Americas (www.murataamericas.com)
Murata Americas is the group of Murata companies located in North and South America. The regional HQ of Murata Americas is Murata Electronics North America, Inc., a wholly owned subsidiary of Murata Manufacturing Co., Ltd., whose global headquarters are in Kyoto, Japan. Established in 1944, Murata Manufacturing is a worldwide leader in research, design, manufacture and sale of ceramic based passive electronic components, power supply and wireless module solutions. With annual revenues in excess of $7 billion dollars, Murata is committed to the environmentally conscious development and stable supply of advanced electronic materials, leading edge electronic components, and multi-functional, high-density modules. Products include: monolithic ceramic capacitors, polymer aluminum electrolytic capacitors, electrical double-layer capacitor (EDLC), noise suppression products/EMI suppression filters, inductors, resistor products, resonators, filters, RF components, communication and wireless module solutions, sensors, thermistors, DC-DC converters, AC-DC power supplies, sound components, piezo actuators, micromechatronics products, ceramic applied products, and RFID solutions. Murata's products are found in a wide range of applications including consumer, mobile communications, computers and networking equipment, automotive electronics, advanced metering equipment, digital home electronics, lighting and illumination, and healthcare devices. Murata has employees and manufacturing facilities throughout the world.

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