nanoASMD Series - PolySwitch Automotive 1206 Size 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
Max Operating Temp (°C)Product
Partner ECAD ModelsStockSamplesCompare
NANOASMDC010F-20.10.2560100.81.61515185Product SpecificationNANOASMDC010F-2CheckOrder
nanoASMDC012F-20.120.3948100. SpecificationnanoASMDC012F-2CheckOrder
nanoASMDC016F-20.160.4548100.51.1550.385Product SpecificationnanoASMDC016F-2CheckOrder
nanoASMDC020F-20.20.42241000.60.653.13.10.185Product SpecificationnanoASMDC020F-2CheckOrder
nanoASMDC025F-20.250.58161000. SpecificationnanoASMDC025F-2CheckOrder
nanoASMDC035F-20.350.7516200.60.451.351.350.185Product SpecificationnanoASMDC035F-2CheckOrder
NANOASMDC050F/13.2- SpecificationNANOASMDC050F/13.2-2CheckOrder
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
RF4563-000 NANOASMDC010F-2 RoHS No 07/15/2019 PbFree No 07/15/2019 CoC_RoHS10_RF4563-000_NANOASMDC010F-2 REACH_SVHC Declaration_RF4563-000 (NANOASMDC010F-2) Yes
Does not Contain
RF2145-000 NANOASMDC012F-2 RoHS No 06/27/2017 PbFree No 06/27/2017 CoC_RoHS10_RF2145-000_NANOASMDC012F-2 REACH_SVHC Declaration_RF2145-000 (NANOASMDC012F-2) Yes
Does not Contain
RF2146-000 NANOASMDC016F-2 RoHS No 06/04/2017 PbFree No 06/04/2017 CoC_RoHS10_RF2146-000_NANOASMDC016F-2 REACH_SVHC Declaration_RF2146-000 (nanoASMDC016F-2) Yes
Does not Contain
RF2147-000 NANOASMDC020F-2 RoHS No 03/14/2018 PbFree No 03/14/2018 CoC_RoHS10_RF2147-000_NANOASMDC020F-2 REACH_SVHC Declaration_RF2147-000 (NANOASMDC020F-2) Yes
Does not Contain
RF4525-000 NANOASMDC025F-2 RoHS No 08/16/2019 PbFree No 08/16/2019 CoC_RoHS10_RF4525-000_nanoASMDC025F-2 REACH209_Declaration_RF4525-000_nanoASMDC025F-2 Yes
Does not Contain
RF2148-000 NANOASMDC035F-2 RoHS No 02/20/2019 PbFree No 02/20/2019 CoC_RoHS10_RF2148-000_NANOASMDC035F-2 REACH219_Declaration_RF2148-000_(NANOASMDC035F-2) Yes
Does not Contain
RF4564-000 NANOASMDC050F/13.2-2 RoHS No 09/18/2018 PbFree No 09/18/2018 CoC_RoHS10_RF4564-000_NANOASMDC050F-13.2-2 REACH219_Declaration_RF4564-000_(NANOASMDC050F-13.2-2) Yes
Does not Contain
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