AHS Series - PolySwitch Automotive High Temperature Lead-Free Surface Mount Resettable PPTC

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Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, 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.

Helping to reduce weight of wire harnesses. PPTC devices distributed in a circuit can allow the use of smaller wire sizes with the resulting harnesses. Forego looping back and forth around a fuse box and place your protection wherever you see fit. The solid state composition of PPTC devices helps provide reliability.


  • ROHS compliant
  • Products meet applicable automotive industry standards
  • Compatible with high-volume electronics assembly


  • Expertise from the world’s leading resettable overcurrent protection manufacturer
  • Wide range of dedicated automotive surface-mount and radial-leaded resettable overcurrent devices


  • Automotive and Industrial Transportation
  • Actuators and medium motors
  • Trace protection
  • Harness/junction box protection
  • Powered outputs
  • Electronic control modules
  • Telematics/Infotainment

Access specifications, certifications, check availability and order parts below

Catalog #IHold (A)ITRIP
Max Volts
RaMAX (Ω)Max
Trip Time
Interrupt Current (A)Max Operating Temp (°C)Product
Partner ECAD ModelsStockSamplesCompare
AHS080-2018-20.8216701.50.130.550.55970125Product SpecificationAHS080-2018-2CheckOrder
AHS120-21.22.316502.20.150.340.34250125Product SpecificationAHS120-2CheckOrder
AHS160-21.63.216702. SpecificationAHS160-2CheckOrder
AHS200-22416702. SpecificationAHS200-2CheckOrder
AHS300-236167030.0240.0830.083870125Product SpecificationAHS300-2CheckOrder
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
RF1640-000 AHS080-2018-2 RoHS No 08/31/2008 PbFree No 08/31/2008 Yes
RF2573-000 AHS120-2 RoHS No 06/27/2018 PbFree No 06/27/2018 Yes
RF1641-000 AHS160-2 RoHS No 07/10/2018 PbFree No 07/10/2018 Yes
RF0422-000 AHS200-2 RoHS No 08/31/2008 PbFree No 08/31/2008 Yes
RF1644-000 AHS300-2 RoHS No 11/02/2017 PbFree No 11/02/2017 Yes
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