Exxelia revolutionary MML ultra-high energy density Film Capacitors save both space and weight while lowering components count

Paris, France – Exxelia, a leading manufacturer of ruggedized passive components and sub-systems dedicated to demanding markets, today introduced Miniature Micro-Layer (MML) capacitors, a breakthrough technology that allows tremendous size and weight reduction thanks to an unrivaled energy density.

Discover the new MML technology developed by Exxelia

MML™ is a revolutionary new technology that provides the highest capacitance per volume in film capacitors available on the market.

Why is it a game changer? Because an unparalleled energy density of 400 J/dm3 allows for a tremendous reduction in size and weight compared to traditional Polypropylene or Polyester dielectrics, together with an increased operating temperature up to 140°C and transient voltage protection.

Besides, MML™ capacitors offer a large flexibility in design, easily allowing low profile configurations.

Several studies have been conducted on actual cases of controls and DC-Links functions for aircraft applications. All have shown about 50% reduction in size and weight compared to other film technologies.

The comparative picture with MLCC is even more flattering, as it demonstrates between 70% to 90% reduction in weight, while showing no capacitance derating with voltage applied and a low drift < 5% through the temperature range. Applications using clusters of stacked MLCCs can now be replaced by a single MML™ unit of similar size, with all of the increased reliability that film dielectric offers.

With such outstanding properties, Exxelia new MML™ capacitors are perfectly suitable for 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 applications of confined electronics.
Samples are readily available on request.

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°C to +140°C
● Highly customizable



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