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LV UltraMOV Low Voltage High Surge Varistors | Littelfuse

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LV UltraMOV™ Low Voltage High Surge Varistors | Littelfuse

The Littelfuse LV UltraMOV™ Series of low voltage, high surge current, radial leaded varistors provides an ideal circuit protection solution for lower DC voltage applications by offering higher surge ratings than ever before available in such small discs - typically two sizes smaller than the standard product type.

The maximum peak surge current rating can reach up to 8KA (8/20 us pulse) to protect against high peak surges, including indirect lightning strike interference, system switching transients and abnormal fast transients from the power source.

Available in five model sizes: 5mm, 7mm, 10mm, 14mm and 20mm, these device feature a wide VAC voltage range of 11V to 40V, and VDC voltage range of 14V to 56V.

Features & Benefits:

  • Breakthrough in low voltage varistor design provides 4X greater surge protection
  • Reduced footprint and volume required for surge protection
  • High energy absorption capability
  • High resistance to temperature cycling
  • Optional phenolic coating
  • Lead-free, halogen-free, and RoHS compliant


  • Telecom Power Systems
  • Surge Protection Devices
  • Automation Controls
  • Audio Devices
  • Security Systems
  • Wireless Base Stations

Additional Information: