Revolutionary Exxelia MML™ Ultra-High Energy Density Film Capacitors Show a Reduction in Size and Weight of About 50%
EXXELIA, a leading manufacturer of ruggedized passive components and sub-systems for challenging markets, has unveiled a new technology: Miniature Micro-Layer™ (MML™) capacitors. This breakthrough innovation enables a substantial reduction in size and weight while achieving an extraordinary energy den...
Exxelia's revolutionary MML™ Ultra-High Energy Density Film Capacitors are a game changer in the industry due to their unparalleled energy density of 400J/dm³. This allows for a significant reduction in size and weight in comparison to traditional Polypropylene or Polyester dielectrics, as well as an increased operating temperature of up to 140℃ and protection against transient voltage.
Not only do MML™ capacitors offer large flexibility in design, allowing for low profile configurations, but they have also been tested in actual cases for controls and DC-Links functions in aircraft applications and have shown a reduction in size and weight of about 50% compared to other film technologies.
Furthermore, when compared to MLCCs, MML™ capacitors have demonstrated a reduction in weight of between 70% to 90%, with no capacitance derating with voltage applied and low drift of less than 5% across the temperature range. Applications that previously required clusters of stacked MLCCs can now be replaced by a single MML™ unit of similar size, with the added reliability that film dielectric offers.
The exceptional properties of Exxelia's new MML™ capacitors make them suitable for a wide range of applications including power supplies, DC-links, AC/DC/AC power converters, charge/discharge or power generation functions of commercial/military aircraft, satellite platforms, and payloads, launchers, defibrillators, downhole tools and any other applications that require confined electronics.
Features & Benefits:
Miniaturization of the function: Up to 50% size reduction vs other film technologies; matching footprint with stacked MLCC
Lightweight: 50% lighter vs other film technologies; 80 to 90% lighter than ceramic
No capacitance derating in voltage, stable in temperature (<5% drift through the temperature range)
Capacitance from 1μF to 1000μF
Voltages from 50V to 1000V
Operating Temperature -55℃ to +140℃
Highly customizable
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本文由玄子转载自Exxelia News，原文标题为:REVOLUTIONARY EXXELIA MML™ ULTRA-HIGH ENERGY DENSITY FILM CAPACITORS，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。
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描述- For 50 years and as a market leader, EXXELIA’s comprehensive knowledge of the materials properties and performances have enabled us to design capacitors in Porcelain, NPO, BX, 2C1, BP, X7R and –2200ppm/°C ceramics.
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Excellent temperature resistance, high volume/capacitance ratio, electrical properties and reliability make Exxelia's ceramic capacitors ideal for a wide range of fields of application including medical implants, aircraft flight controls, switched-mode power supply in harsh environments, core samplers for petroleum exploration, and space vehicles. Exxelia also offers Hyper Frequency ceramic capacitors with optimized size and very low ESR. These HiQ capacitors offer excellent performance levels for RF applications requiring functional reliability. Typically these applications include civil and military telecommunications (cellular base station equipment, wireless broadband service, Point to-Point or Multipoint radios, radio broadcasting equipment), and MRI coils.
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描述- EXXELIA TECHNOLOGIES has more than 50 years experience in developing and manufacturing a wide range of capacitors for professional and industrial applications.The capacitors included in this catalogue are manufactured in two plants owned by the company in France.
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WHAT ARE THE BENEFITS OF TANTALUM CAPACITORS?
These capacitors offer a very high charge per unit of volume, a long lifetime and a high reliability. They are used in consumer goods and more specialized niches including space vehicles, aircraft electronics, weapons and rail transport. Exxelia develops both solid and wet tantalum capacitors. A tantalum capacitor is a specific type of electrolytic capacitor. It is made from a metal called tantalum, which is where it gets its name. Tantalum acts as an anode. The capacitor itself is covered in a thin layer of oxide, which allows it to act as the dielectric. It is surrounded by a conductive cathode. One of the major benefits of tantalum capacitors is that their design allows for a very thin layer of dielectric, which allows for higher capacitance than other types of capacitors made from different types of materials. These types of capacitors are generally polarized, which means that in practice they can only be connected to a direct current power supply that has been designed while observing the appropriate terminal polarity. They have excellent stability over time and superior frequency characteristics when compared to different types of similar capacitors that are made from different materials.
Nippon Chemi-Con Expanded PSG Series and PMA Series Conductive Polymer Aluminum Solid Capacitors with 25V High-capacitance Products and 35V Products
Nippon Chemi-Con has established a new technology for increasing the voltage of capacitors by reviewing conductive polymer materials and methods. Nippon Chemi-Con contributed to the downsizing and higher efficiency of power supplies by applying this technology and developing conductive polymer aluminum solid capacitors with 25V and high capacitance, as well as 35V, for adapters, LED voltage booster circuits and small power supplies.
HIGH VOLTAGE VERSUS TRADITIONAL CAPACITORS
Our high voltage capacitors are specifically designed to be able to withstand a larger amount of electrical charge than other types of capacitors can offer. They use two main mechanisms to store the energy that is being transmitted, which is contrary to the conventional dielectric method that is used with other types of capacitors. The first main method used to store electricity is called double layer capacitance, while the second is called pseudo capacitance. These methods are electrostatic and electrochemical in origin, respectively, which allows high voltage capacitors to combine the energy storing methods of normal capacitors with the methods used during the operation of a normal battery.
Nippon Chemi-Con Added NTJ Series Metal Cap Type Multilayer Ceramic Capacitors with 50V Rated Voltage and Capacitance Expansion
Nippon Chemi-Con makes an addition to the conventional metal cap type multilayer ceramic capacitors NTJ Series. The Series product lineup was expanded by adding a 50V rated voltage product of the same size with a capacitance increased to 33µF from 22µF.
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