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Mitsubishi ships new hybrid SiC power semiconductor modules

Mitsubishi Electric to Ship Sample Hybrid SiC Power Semiconductor Modules for High-frequency Switching Applications

Mitsubishi Electric Corporation announced it has started shipping samples of new hybrid silicon carbide  power semiconductor modules for high-frequency switching applications. Featuring SiC diodes, the modules achieve high efficiency, downsizing and weight reduction in inverters for power conditioners and other power equipment, uninterrupted power supplies  and medical device power supplies.

These modules are the latest addition to Mitsubishi Electric’s NFH Series of next-generation hybrid SiC power semiconductor modules, which are noted for significantly reducing electric power loss in high-frequency switching applications thanks to their SiC diodes. The new models will be exhibited at Power Conversion Intelligent Motion Europe 2014, which will be held in Nuremberg, Germany from May 20 to 22.

Product Features
1) 40% reduction in power loss contributes to efficiency, downsizing and weight reduction of total system

- Incorporates SiC Schottky Barrier Diode  and Si-IGBT for transistors in high-frequency switching applications.

- Contributes to system efficiency because SiC-SBD does not have recovery current, so power loss is reduced about 40% through significantly lower switching loss.

- Contributes to downsizing and weight reduction of system components, such as reactor and heat sink, thanks to high-frequency switching and significant reduction of power loss.
2) Suppresses surge voltage through internal inductance reduction

- Low-inductance package adopted for high-frequency switching applications.

- 100A and 150A modules reduce internal inductance by about 30% compared to conventional IGBT module using silicon.

3) Compatible with conventional power modules

- The package is compatible with conventional power modules for easy replacement.

Development of these modules has been partially supported by Japan’s New Energy and Industrial Technology Development Organization

Environmental Awareness
Mitsubishi Electric’s new hybrid SiC power semiconductor modules are compliant with the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment (RoHS).


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