MOSFETs

Enhance your design with higher efficiency, power density, and cost savings with Infineon's N-channel and P-channel power MOSFETs

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What MOSFET products does Infineon offer?

Infineon offers one of the industry’s most comprehensive MOSFET portfolios, optimized for different power levels, voltages, and switching frequencies.

OptiMOS™ — Trench MOSFETs, Industrial (15 V – 300 V)

  • Ideal for high‑frequency, high‑performance applications such as SMPS, computing, battery systems, and renewable energy. Features include ultra‑low RDS(on), minimized switching losses, and advanced packaging options for superior thermal behavior.

StrongIRFET™ — Trench MOSFETs, Standard (20 V – 100 V & beyond)

  • Designed for rugged, high‑current applications with low switching frequency requirements—motor drives, industrial power supplies, and robust DC‑DC conversions.

CoolMOS™ — Superjunction MOSFETs (500 V – 950 V)

  • For high‑voltage power stages requiring best‑in‑class efficiency. Ideal for PFC, LLC, server & telecom SMPS, solar inverters, and lighting.

CoolSiC™ — Silicon Carbide MOSFETs (400 V – 3300 V)

  • CoolSiC™ is chosen for systems that require higher efficiency, higher switching frequency, reduced losses, improved thermal behavior, and higher power density.

Automotive MOSFETs

  • In addition, we offer a wide range of  Automotive MOSFETs (30 V – 300 V, 600 V - 800 V) in a variety of robust packages for automotive applications - qualified beyond AEC-Q101. 

 

Automotive MOSFETs
OptiMOS™ and StrongIRFET™ power MOSFETs
CoolSiC™ MOSFETs
CoolMOS™ superjunction MOSFETs
Where are MOSFET technologies used? 

Infineon’s MOSFET technologies are engineered to balance conduction losses, switching behavior, and robustness across different voltage classes and switching regimes. Selecting the right technology family helps you hit efficiency and EMI targets while staying within gate‑drive and thermal constraints.

Trench MOSFETs (OptiMOS™ & StrongIRFET™)

  • Typically preferred for low‑ to mid‑voltage applications with high currents
  • Optimized for very low RDS(on) and attractive switching figures of merit
  • Commonly used in synchronous rectification, DC‑DC stages, and power distribution

Superjunction MOSFETs (CoolMOS™)

  • Typically preferred for higher‑voltage/offline power conversion (e.g., PFC, LLC, flyback)
  • Designed for low switching losses at high voltage and improved efficiency over a wide load range
  • Enables higher switching frequencies and compact magnetics in many topologies

Silicon Carbide MOSFETs (CoolSiC™)

  • Typically preferred for high-voltage, high-power switching where maximum efficiency matters
  • Optimized for low switching losses at high frequency
  • Commonly used in EV inverters, fast chargers, solar & industrial inverters
What can you achieve with Infineon MOSFETs? 

Infineon MOSFETs are engineered for high efficiency and strong performance margins—helping you reduce heat, increase power density, and improve system reliability across a wide range of power conversion tasks.

✓ Industry‑Leading Figures of Merit (FOM)

  • Low RDS(on), low Qg, low Qrr/Qoss enable higher switching frequencies and improved power density.

✓ High Power Density & Advanced Packaging

  • TOLL, SuperSO8, DirectFET™, Source‑Down, and dual‑side‑cooling packages support smaller, cooler, more efficient designs.

✓ Ruggedness & Reliability for Industrial Environments

  • Fast‑diode OptiMOS™ and StrongIRFET™ devices offer high dV/dt, high SOA robustness, and excellent thermal stability.

✓ Lower Total Cost of Ownership (TCO)

  • Reduced energy consumption, minimized cooling overhead, and lower BOM cost through optimal device sizing.
In which application to use MOSFETs? 

Infineon MOSFETs enable high‑performance power conversion across industrial, automotive, computing, and consumer applications—from compact DC‑DC stages to high‑power conversion systems.

Data Centers & Server/Telecom SMPS

  • High‑frequency OptiMOS™ and high‑voltage CoolMOS™ devices power PFC and LLC stages in server and telecom infrastructure. 

Computing and GPU Power

  • High‑performance trench MOSFETs used in DC‑DC converters for CPU/GPU rails and AI accelerators. 

Battery‑Powered Applications (Tools, LEVs, LSEVs)

  • Low‑voltage OptiMOS™ devices provide high current capability and excellent efficiency. 

Industrial Power & Motor Drives

  • StrongIRFET™ and OptiMOS™ FD devices support rugged, high-current industrial designs. 

Solar Inverters, Renewable Energy & Lighting

  • CoolMOS™ SJ devices deliver superior efficiency in solar DC‑AC stages and LED drivers. 

Explore the relevant application pages to see typical operating points, recommended selection criteria, and reference designs

Data Center & Telecom Applications
Computing and GPU Power
Battery-Powered Application
Industrial Power & Motor Drives
Solar Inverters, Renewable Energy & Lighting

How to select the right MOSFET for your application

Selecting the correct MOSFET is critical to achieving the best balance of efficiency, thermal performance, EMI behavior, and reliability in your end system. A structured selection approach helps you avoid over‑sizing (unnecessary cost and capacitance) while ensuring robust margins for transients and temperature.

A practical way to start is by reviewing the following dimensions:

  • Channel type: N‑channel and P‑channel MOSFETs
  • Voltage class and transient headroom (VDS)
  • Package / footprint and current carrying capability (Rθ, current rating)
  • Loss priorities: conduction vs switching (RDS(on) vs Qg/Qrr)
  • Qualification and reliability needs (standard vs industrial vs automotive)

Use our parametric product table to filter by VDS and package first, then sort by RDS(on), Qg, or other key FOMs to create a shortlist. From there, compare candidates side‑by‑side and jump directly to the most relevant design resources and documentation.

Explore MOSFET Product Table
Discover N-Channel MOSFETs
Discover P-Channel MOSFETs
Watch Video: "Selecting the right MOSFET"
What resources does Infineon offer to design in MOSFETs?

Whether you’re designing high‑density data center power stages, efficient industrial supplies, automotive power systems, or compact consumer electronics, Infineon supports your full design cycle—from early selection through validation and production.

Accelerate your design with:

  • Parametric search, filtering, and part comparison to build a shortlist quickly
  • Application notes, design guidelines, and layout/thermal recommendations
  • Simulation models and reference designs aligned to common power topologies
  • Qualification, reliability, and lifecycle information to support long‑term products
  • Support channels: community and direct technical support for design‑in questions

Infineon is trusted worldwide for power semiconductors that enable greener, smarter, and more efficient systems.

What MOSFET products does Infineon offer?

Infineon offers one of the industry’s most comprehensive MOSFET portfolios, optimized for different power levels, voltages, and switching frequencies.

OptiMOS™ — Trench MOSFETs, Industrial (15 V – 300 V)

  • Ideal for high‑frequency, high‑performance applications such as SMPS, computing, battery systems, and renewable energy. Features include ultra‑low RDS(on), minimized switching losses, and advanced packaging options for superior thermal behavior.

StrongIRFET™ — Trench MOSFETs, Standard (20 V – 100 V & beyond)

  • Designed for rugged, high‑current applications with low switching frequency requirements—motor drives, industrial power supplies, and robust DC‑DC conversions.

CoolMOS™ — Superjunction MOSFETs (500 V – 950 V)

  • For high‑voltage power stages requiring best‑in‑class efficiency. Ideal for PFC, LLC, server & telecom SMPS, solar inverters, and lighting.

CoolSiC™ — Silicon Carbide MOSFETs (400 V – 3300 V)

  • CoolSiC™ is chosen for systems that require higher efficiency, higher switching frequency, reduced losses, improved thermal behavior, and higher power density.

Automotive MOSFETs

  • In addition, we offer a wide range of  Automotive MOSFETs (30 V – 300 V, 600 V - 800 V) in a variety of robust packages for automotive applications - qualified beyond AEC-Q101. 

 

Automotive MOSFETs
OptiMOS™ and StrongIRFET™ power MOSFETs
CoolSiC™ MOSFETs
CoolMOS™ superjunction MOSFETs

Where are MOSFET technologies used? 

Infineon’s MOSFET technologies are engineered to balance conduction losses, switching behavior, and robustness across different voltage classes and switching regimes. Selecting the right technology family helps you hit efficiency and EMI targets while staying within gate‑drive and thermal constraints.

Trench MOSFETs (OptiMOS™ & StrongIRFET™)

  • Typically preferred for low‑ to mid‑voltage applications with high currents
  • Optimized for very low RDS(on) and attractive switching figures of merit
  • Commonly used in synchronous rectification, DC‑DC stages, and power distribution

Superjunction MOSFETs (CoolMOS™)

  • Typically preferred for higher‑voltage/offline power conversion (e.g., PFC, LLC, flyback)
  • Designed for low switching losses at high voltage and improved efficiency over a wide load range
  • Enables higher switching frequencies and compact magnetics in many topologies

Silicon Carbide MOSFETs (CoolSiC™)

  • Typically preferred for high-voltage, high-power switching where maximum efficiency matters
  • Optimized for low switching losses at high frequency
  • Commonly used in EV inverters, fast chargers, solar & industrial inverters

What can you achieve with Infineon MOSFETs? 

Infineon MOSFETs are engineered for high efficiency and strong performance margins—helping you reduce heat, increase power density, and improve system reliability across a wide range of power conversion tasks.

✓ Industry‑Leading Figures of Merit (FOM)

  • Low RDS(on), low Qg, low Qrr/Qoss enable higher switching frequencies and improved power density.

✓ High Power Density & Advanced Packaging

  • TOLL, SuperSO8, DirectFET™, Source‑Down, and dual‑side‑cooling packages support smaller, cooler, more efficient designs.

✓ Ruggedness & Reliability for Industrial Environments

  • Fast‑diode OptiMOS™ and StrongIRFET™ devices offer high dV/dt, high SOA robustness, and excellent thermal stability.

✓ Lower Total Cost of Ownership (TCO)

  • Reduced energy consumption, minimized cooling overhead, and lower BOM cost through optimal device sizing.

In which application to use MOSFETs? 

Infineon MOSFETs enable high‑performance power conversion across industrial, automotive, computing, and consumer applications—from compact DC‑DC stages to high‑power conversion systems.

Data Centers & Server/Telecom SMPS

  • High‑frequency OptiMOS™ and high‑voltage CoolMOS™ devices power PFC and LLC stages in server and telecom infrastructure. 

Computing and GPU Power

  • High‑performance trench MOSFETs used in DC‑DC converters for CPU/GPU rails and AI accelerators. 

Battery‑Powered Applications (Tools, LEVs, LSEVs)

  • Low‑voltage OptiMOS™ devices provide high current capability and excellent efficiency. 

Industrial Power & Motor Drives

  • StrongIRFET™ and OptiMOS™ FD devices support rugged, high-current industrial designs. 

Solar Inverters, Renewable Energy & Lighting

  • CoolMOS™ SJ devices deliver superior efficiency in solar DC‑AC stages and LED drivers. 

Explore the relevant application pages to see typical operating points, recommended selection criteria, and reference designs

Data Center & Telecom Applications
Computing and GPU Power
Battery-Powered Application
Industrial Power & Motor Drives
Solar Inverters, Renewable Energy & Lighting

How to select the right MOSFET for your application

Selecting the correct MOSFET is critical to achieving the best balance of efficiency, thermal performance, EMI behavior, and reliability in your end system. A structured selection approach helps you avoid over‑sizing (unnecessary cost and capacitance) while ensuring robust margins for transients and temperature.

A practical way to start is by reviewing the following dimensions:

  • Channel type: N‑channel and P‑channel MOSFETs
  • Voltage class and transient headroom (VDS)
  • Package / footprint and current carrying capability (Rθ, current rating)
  • Loss priorities: conduction vs switching (RDS(on) vs Qg/Qrr)
  • Qualification and reliability needs (standard vs industrial vs automotive)

Use our parametric product table to filter by VDS and package first, then sort by RDS(on), Qg, or other key FOMs to create a shortlist. From there, compare candidates side‑by‑side and jump directly to the most relevant design resources and documentation.

Explore MOSFET Product Table
Discover N-Channel MOSFETs
Discover P-Channel MOSFETs
Watch Video: "Selecting the right MOSFET"

What resources does Infineon offer to design in MOSFETs?

Whether you’re designing high‑density data center power stages, efficient industrial supplies, automotive power systems, or compact consumer electronics, Infineon supports your full design cycle—from early selection through validation and production.

Accelerate your design with:

  • Parametric search, filtering, and part comparison to build a shortlist quickly
  • Application notes, design guidelines, and layout/thermal recommendations
  • Simulation models and reference designs aligned to common power topologies
  • Qualification, reliability, and lifecycle information to support long‑term products
  • Support channels: community and direct technical support for design‑in questions

Infineon is trusted worldwide for power semiconductors that enable greener, smarter, and more efficient systems.

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