1,200 V SiC MOSFET provides outstanding thermal performance

October 2, 2025

Issue 7 2025

The Infineon IMSQ120R026M2HH CoolSiC™ MOSFET combines excellent efficiency and tolerance of high-temperature operation, making it ideal for applications such as industrial drives, EV chargers and solar power generation.

The IMSQ120R026M2HH from Infineon is a 1,200 V CoolSiC silicon carbide (SiC) N-channel MOSFET in a top-side cooled Q-DPAK dual half-bridge package for use in industrial applications.  

 

Fabricating a MOSFET power switch from silicon carbide provides multiple advantages over silicon, including faster switching, tolerance of higher operating temperatures, and lower switching losses. This enables power-system manufacturers to create products which are smaller, lighter, more efficient, and achieve higher power density.  

 

The IMSQ120R026M2HH extends these advantages by using the Q-DPAK package, which reduces system cost by enabling easier assembly and providing outstanding thermal performance. Compared to bottom-side cooled solutions, a top-side cooled device such as the IMSQ120R026M2HH benefits from a superior PCB layout, which reduces the effects of parasitic components and stray inductances, while also providing enhanced thermal management capabilities. 

 

The MOSFET has a robust body diode to enable hard commutation, and resists parasitic turn-on effects.  

Features

  • 25 mΩ on-resistance 
  • 200°C maximum junction temperature 
  • Operating-temperature range: -55°C to 175°C 
  • 59 A maximum drain current at a case temperature of 100°C 
  • 4.2 V gate threshold voltage 
  • 2 µs short-circuit withstand time 

Applications

  • Industrial drives 
  • EV chargers 
  • Solar power generation  
  • Uninterruptible power supplies 
Infineon — IMSQ120R026M2HH CoolSiC MOSFET

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