Direct chip bonding, all-SiC design increase power density in Mitsubishi Electric inverter

May 23, 2012 – BUSINESS WIRE — Mitsubishi Electric Corporation (TOKYO:6503) developed a prototype forced-air-cooled three-phase 400V output inverter with all silicon carbide (SiC) power modules that has a power density of 50kVA per liter.

Mitsubishi Electric developed low resistance and higher power density by directly bonding power semiconductor chip leads to the main terminals, eliminating the use of conventional high-resistance aluminum lead wires. The module

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