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Series: AHEF

32V PolySwitch Automotive High-Temperature Lead-Free Radial Leaded Resettable PPTC
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The AHEF Series is a PPTC resettable device designed specifically for the automotive industry. It is a 32V high-temperature, leadfree, radial leaded resettable device that meets Littelfuse’s Automotive qualification. This qualification is based on AEC-Q200: Stress Test Qualification for Passive Components.

  • Overcurrent and overvoltage circuit protection devices
  • Resettable and single-use overcurrent devices
  • Wide range of form factor and termination methods
  • Products meet applicable automotive industry standards
  • Devices compatible with high-volume electronics assembly
  • RoHS compliant, Lead-Free and Halogen-Free

AHEF Parts

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AHEF Applications

Highlights Section

  • Motor and motor circuit protection including power door-locks, mirrors, lumbar umps, seats, sunroofs and windows
  • Electronic 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