Littelfuse Xtreme Varistor Radial Leaded Varistors

Littelfuse Xtreme Varistor series is designed for applications requiring high surge energy/current absorption and multiple surge pulse withstanding capability. The Xtreme Varistor series radial leaded varistors are available in 5mm, 7mm, 10mm, 11mm, 14mm, and 20mm nominal disc sizes. This Littelfuse series offers a +125°C maximum operating temperature and features a 9.5J to 880J high energy absorption rating.


  • +125°C maximum operating temperature
  • 9.5J to 880J high energy absorption rating
  • 1.2kA to 15kA high surge current handling capability
  • 130VAC to 680VAC operating voltage range
  • RoHS compliant, halogen-free, and lead-free


  • Home appliances
  • Outdoor LED lighting drivers/power supplies
  • Switch-mode power supplies
  • Type 2, Type 3, and Type 4CA surge protection devices
  • Ground fault circuit interrupters (GFCI and AFCI)
  • Smart e-meters
  • Home automation and security systems
    • Fire alarms
    • Smoke detectors


Published: 2021-08-10 | Updated: 2022-03-11