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40 V MOSFETs provide threefold wider operating area

September 29, 2025 By Redding Traiger Leave a Comment

Infineon Technologies AG is launching the OptiMOS 7 power MOSFET family for industrial and consumer markets, extending the already existing OptiMOS 7 automotive portfolio. Designed to provide the best fitting solution in their respective use case, the new OptiMOS 7 family offers products specifically for high-performance switching, motor-drives, or RDS(ON)-focused applications.

The OptiMOS 7 25 V MOSFETs go beyond the one-size-fits-all approach, offering devices tailored to switching applications. The product variant targets applications such as intermediate bus converters (IBCs) with various topologies used in 48 V conversion for power AI cores, as well as switched-mode power supplies (SMPS) in telecommunications and traditional server applications. The portfolio includes two technology variants: devices optimized for hard-switching and soft-switching topologies. The hard-switching optimized devices feature an excellent Miller ratio, FOMs, and RDS(ON)10, while the soft-switching optimized products deliver ultra-low RDS(ON)45 and FOMQg. Compared to the OptiMOS 5 25 V, the new generation achieves up to 20 percent lower RDS(ON) and up to 25 percent better FOMs, depending on the optimization type.

The OptiMOS 7 40 V MOSFETs, designed for motor-drive applications, deliver lower RDS(on), optimized gate characteristics, enhanced noise immunity, and a threefold wider safe operating area (SOA) compared to the previous generation. Their lower transconductance improves current distribution, reducing voltage overshoot, and boosts performance under harsh operating conditions. These devices are ideal for motor drives, power tools, and gardening applications, offering maximum reliability, efficiency, and power density.

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Filed Under: Consumer electronics, Development Tools, Industrial, MOSFETS, Power Components, Power Management Tagged With: infineontechnolgiesag

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