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onsemi 1200V Silicon Carbide (SiC) MOSFETs

Enabling designers to achieve higher efficiency and power density in switching power supplies

onsemi has introduced a family of 1200V-rated Silicon Carbide (SiC) MOSFETs which provide wide-ranging improvements in performance over that of equivalent silicon devices, offering lower losses, support for higher operating temperatures, faster switching, lower EMI and higher reliability.

The new 1200V MOSFETs are intended for use in demanding applications such as solar power inverters, on-board charging for Electric Vehicles (EVs), server power supplies, and EV charging stations.

onsemi's 1200V N-channel SiC MOSFETs include a fast intrinsic diode with low reverse-recovery charge to provide a marked reduction in power losses. The MOSFETs also support faster switching to enable the system designer to increase power density through the use of fewer and smaller passive components.

The MOSFETs’ small package sizes also contribute to their high performance in high-frequency power-conversion applications: they are characterized by lower device capacitance and low gate charge, thus reducing switching losses when operating at high frequency. As well as improving efficiency, this reduces EMI below the levels produced by comparable silicon-based MOSFETs.

onsemi's 1200V MOSFETs feature a low forward voltage, producing threshold-free on-state characteristics. These reduce the static losses which occur when the device is conducting.

The range of 1200V SiC MOSFETs includes products intended for automotive applications which are AEC-Q100 qualified and PPAP capable.

Parts Available for Immediate Sampling

Part Number Maximum Gate-Source Threshold Voltage Maximum Drain Current Package Type Sample Request
NTBG020N120SC1 4.3V 98A D2PAK7 (TO-263-7L HV)
NTBG080N120SC1 2.83V 30A D2PAK7 (TO-263-7L HV)
NTH4L020N120SC1 4.3V 102A TO-247-4
NTH4L040N120SC1 4.3V 58A TO-247-4
NTH4L080N120SC1 4.3V 29A TO-247-4
NVH4L022N120M3S 4.4V 68A TO247-4L
NTH4L022N120M3S 4.4V 68A TO247-4L


1200V SiC MOSFET Features

  • 175°C maximum junction temperature
  • Low on-resistance
  • Low output capacitance
  • High surge rating
  • High avalanche capability
  • Robust handling of short circuits
  • Easy paralleling for high-current applications
  • 100% UIL tested

1200V SiC MOSFET Applications

  • Solar inverters
  • Automotive systems
  • Electric vehicles
  • EV charging stations
  • Server power supplies


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