V10E550AUTO - AUMOV® Series

Series: AUMOV®
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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 AUMOV® Series Varistor offers 50% greater surge withstanding capability than existing technologies on the market for low DC voltage applications. The maximum peak surge current is rated up to 5KA (8/20μs pulse) to protect sensitive automotive systems from voltage transients induced by load dump and other transient events. This AEC-Q200 (Table 10) compliant series is available in five disc sizes: 5mm, 7mm, 10mm, 14mm and 20mm. It features a wide operating voltage range from 14VAC to 42VAC and 16VDC to 50VDC.


  • Meets the stringent quality standards of AEC-Q200 (Table 10)
  • UL recognized
  • Optional phenolic coating for operating temps up to 125°C
  • High peak surge current rating and energy absorption capability
  • Reduced footprint and volume required for voltage surge protection
  • High resistance to thermal cycles for phenolic coating
  • Lead free, halogen free and RoHS compliant


  • Meets automotive industry requirements
  • Suitable for  harsh automotive environments
  • Helps meet UL1449 requirements
  • Well suited for the passenger compartment and the stringent temperature requirements of under-the-hood electronics
  • Provides robust protection against overvoltages induced by load dump, jump start, and other transients



  • Body electronics systems
  • Powertrain systems
  • Infotainment system
  • Automotive control module protection
  • Motor or inductive load transient suppression
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
V10E550AUTO RADIAL VARISTOR 10MM ROHS/LEAD FREE RoHS No 07/19/2017 PbFree No 07/19/2017 Yes
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