Power electronics MOSFETs for telecommunications and artificial intelligence (AI) offered by Infineon

The MOSFETs have two technology variants: devices optimized for hard-switching, and those for soft-switching topologies.
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Nov. 3, 2025
2 min read
The Infineon OptiMOS 7 power MOSFETs are for industrial and consumer applications that involve high-performance switching, motor-drives, or RDS(ON).

Summary points:

  • Infineon Technologies introduces the OptiMOS 7 series to offer high-performance MOSFETs for industrial and consumer power electronics like motor drives and power switching.
  • OptiMOS 7 MOSFETs provide enhanced power density, efficiency, and heat dissipation to meet the growing demand for high-performance power in artificial intelligence (AI), telecommunications, and servers.
  • Available in 25- and 40-volt variants, the OptiMOS 7 MOSFETs feature low RDS(on) and optimized gate characteristics to deliver improved current distribution and noise immunity for motor drives and switching applications.

MUNICH – Infineon Technologies AG in Munich is introducing the OptiMOS 7 power metal oxide silicon field-effector transistor (MOSFET) family for industrial and consumer power electronics applications. The OptiMOS 7 family offers products for high-performance switching, motor-drives, or RDS(ON)-focused applications.

The rapid growth of power-hungry applications demands power density, efficiency and reliability, and discrete power paste link here play a pivotal role, which opens possibilities to improve advanced MOSFET technologies.

The OptiMOS 7 25 V MOSFETs are for devices tailored to switching applications that target applications such as intermediate bus converters (IBCs) with topologies used in 48-volt conversion for power AI cores and switched-mode power supplies (SMPS) in telecommunications and traditional server applications.

Tell me more about MOSFETs and the role they play in power electronics ...

  • Metal-oxide-semiconductor field-effect transistors (MOSFETs) act as electronic switches, and control the flow of electrical current quickly and efficiently. In power electronics, MOSFETs convert and manage power in systems like motor drives, power supplies, and inverters. Their ability to switch rapidly and handle high currents and voltages makes them suitable for applications that require precise control of power. The MOSFET's low on-resistance ensures minimal power loss, and enhances energy efficiency. Their ability to amplify signals enables enable smooth and reliable operation of electronic devices.

The MOSFETs have two technology variants: devices optimized for hard-switching, and those for soft-switching topologies. The hard-switching devices feature Miller ratio, FOMs, and RDS(ON)10, while the soft-switching optimized products deliver ultra-low RDS(ON)45 and FOMQg.

The OptiMOS 7 40-volt MOSFETs for motor-drive applications deliver low RDS(on), optimized gate characteristics, enhanced noise immunity, and a wide safe operating area (SOA). Their low transconductance improves current distribution to reduce voltage overshoot, and boost performance under harsh operating conditions.

For more information contact Infineon online at www.infineon.com/products/power/mosfet/n-channel/optimos-strongirfet/optimos-7/optimos-7-switching-optimized.

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