Automotive High Temperature SMD 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.

The Automotive High Temperature SMD is the first miniature-sized High Temperature PPTC series from Littelfuse with AEC-Q200 qualification for Automotive Applications and it provides surface mount overcurrent protection for applications where space is a prime concern and resettable protection is desired.


  • Products meet applicable automotive industry standards
  • Compatible with high-volume electronics assembly
  • Smaller footprint
  • High Operating Temperature ˗ -40℃~125℃
  • Resettable solution against overcurrent and short-circuit
  • AEC-Q200 qualified, RoHS compliant, and ISO/TS16949 certificated
  • Surface-mount Form Factor


  • Expertise from the world’s leading resettable overcurrent protection manufacturer
  • Provides wider range of form factors to enhance design flexibility
  • Meets ever-increasing demand for compact and space-saving designs due to more electronics content in vehicle
  • Restores system operation after reset when fault condition is removed, thus provides safety and protection
  • Able to meet most stringent requirements for the extreme harsh automotive environment
  • Suitable for standard PCB assembly to enable automated mass production


  • Automotive and Industrial Transportation
  • Infotainment/Telematics
  • Climate Control Systems
  • Body Electronics
  • Sensor Protection
  • ADAS (Advanced Driver Assistance)
  • Auto Lighting
  • Security and Communication Systems

Access specifications, certifications, check availability and order parts below

Catalog #IHold (A)ITRIP
Max Volts
RaMAX (Ω)Max
Trip Time
SizePd Typical (watts)Max Operating Temp (°C)Packaging
MINIASMDCH050F-20.51.630201.20.21.350.20.11812N/A125Tape & Reel CheckOrder
NANOASMDCH016F-20.160.830200.90.7660.11206N/A125Tape & ReelProduct SpecificationCheckOrder
NANOASMDCH035F-20.350.95165010. & ReelProduct SpecificationCheckOrder
NANOASMDCH035F/30-20.351.7530201. & ReelProduct SpecificationCheckOrder
NANOASMDCH050F/24-20.52.524201. & ReelProduct SpecificationCheckOrder
PICOASMDCH005F-20.050.1816400.63.5383.50.080805N/A125Tape & Reel CheckOrder
PICOASMDCH010F-20.100.60164011.011111.50805N/A125Tape & ReelProduct SpecificationCheckOrder
PICOASMDCH020F-20.20.716400.90.753.40.750.10805N/A125Tape & Reel CheckOrder