IXTT220N20X4HV - X4-Class Series

X4 Class
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Disclaimer Notice

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The new 200V X4 Ultra Junction MOSFETs are designed with the latest Ultra Junction technology for high efficiency power applications. They are available in TO-247 and TO-268HV Packages. They offer lower RDS(on) simultaneously with reduced gate and output charges, which allows for more efficient switching at given frequency. 


  • Low Gate Charge
  • Low RDS(on)
  • Low RthJC
  • 175°C Operating Temperature
  • High Avalanche rating (900mJ - 1J)


  • Switched-Mode and Resonant-Mode Power Supplies
  • UPS and Inverters
  • Battery circuits
  • DC-DC and AC-DC Converters
  • Redundant power switches


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