In May 2026, Mitsubishi Electric began sample shipments of its eighth-generation "NX-type" 1200V IGBT modules for industrial applications. The product reduces power losses by up to 19% compared to the previous generation and targets industrial inverters, UPS systems, and photovoltaic systems. As energy-efficiency regulations tighten, it provides a compelling case for accelerating equipment refresh cycles.
Improvements in the 8th-Generation X-Series IGBT
The NX-type is the eighth generation of Mitsubishi Electric's X-Series IGBT, a product line the company has developed and mass-produced for many years. The 19% power loss reduction figure is based on comparison data against the previous generation published by the company. IGBTs carry a lower product cost than SiC MOSFETs and remain the dominant choice for hundred-kilowatt-class industrial inverters, large UPS systems, and grid-tied inverters. Incremental loss reductions accumulated across generations translate directly into equipment efficiency gains.
Competitive Landscape in Industrial IGBTs
Power loss reduction is the central competitive axis in the industrial IGBT market, with major manufacturers targeting 10–20% loss reduction versus the previous generation as a standard selling point. Mitsubishi Electric's 19% figure sits near the upper end of the industry range, making it well positioned to meet next-generation motor drive efficiency requirements defined by the IEC 61800 series. The result suggests the company maintains strong performance credentials while retaining a cost advantage over SiC MOSFETs.
Key Considerations for Design and Procurement Engineers
The 1200V rating covers a voltage class widely used in large motor drives and industrial inverters. Designers must balance insulation coordination margins under IEC 60664 against power density requirements. The transition from sample shipment to mass production typically takes six to twelve months, making it advisable to incorporate an evaluation schedule now for equipment specifications to be finalized in 2026–2027. The measured power loss improvement will vary with gate driver conditions, switching frequency, and thermal conditions, so planning an early double-pulse test under actual operating conditions is essential to validate the 19% reduction figure.