AHRL350 - AHRL Series

Series: AHRL
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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 AHRL Series is a PPTC resettable device with compact size designed for the automotive industry. It is a 16V high-temperature, lead-free, radial leaded resettable device that meets Littelfuse's Automotive qualification. This qualification is based on AEC-Q200: Stress Test Qualification for Passive Components.


  • Compact size (Width and Height)
  • Wide range of hold current ratings (3.5 A~15 A) with low thermal derating
  • RoHS compliant, Lead-free, and Halogen-free
  • AEC-Q200 compliant
  • Operating temperature up to 125º C


  • Motor and motor circuit protection including power door locks, mirrors, lumbar umps, seats, sunroofs and windows
  • Electroni Control Unit (ECU) I/O protection
  • Heating, Ventilation and Cooling (HVAC) motor and I/O protection
  • Telematics, infotainment and navigations systems
  • Liquid Crystal Display (LCD) back-light heaters
  • Power and cigarette lighter outlets, plugs and adapter/chargers
  • Powered networks and buses
  • Air-flow detection and overcurrent protection in HVAC and cooling fan systems
  • Stall detection in express window and sunroof circuits
  • Resettable overcurrent protection for power distribution, electrical centers and junction boxes
  • Wire downsizing
  • Motro electromagnetic interference (EMI) suppression
  • Electrostatic dischage (ESD) damage protection
  • Load dump and other transient voltage protection

To request product environmental information, please complete the Product Environmental Information Request Form.