microSMD Series - PolySwitch 1210 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.

The microSMD series provides surface mount overcurrent protection for applications where space is at a premium and resettable protection is desired.


  • Broadest range of resettable devices available in industry
  • Low resistance


  • Compact Design and New HV Ratings
  • Smaller size helps reduce board space and cost
  • Many product choices optimizes design flexibility
  • Compatible with high-volume electronics assembly
  • Higher voltage ratings allow use in new applications


  • Mobile Electronics and Batteries
  • Computer
  • Portable electronics
  • Multimedia
  • Game machines
  • Telephone and broadband
  • Automotive
  • Industrial controls
  • Battery

Access specifications, certifications, check availability and order parts below

Catalog #IHold (A)ITRIP
Max Volts
Trip Time
Max Operating Temp (°C)Product
Partner ECAD ModelsStockSamplesCompare
microSMD005F-20.050.15301013.6501.585Product SpecificationmicroSMD005F-2CheckOrder
microSMD010F-20.10.2530100.82.115185Product SpecificationmicroSMD010F-2CheckOrder
microSMD035F-20.350.756400.80.321.30.285Product SpecificationmicroSMD035F-2CheckOrder
microSMD050F-20.5113.2400. SpecificationmicroSMD050F-2CheckOrder
microSMD075F-20.751.56400. SpecificationmicroSMD075F-2CheckOrder
microSMD110F-21.12.26400. SpecificationmicroSMD110F-2CheckOrder
microSMD150F-21.536400.80.040.11185Product SpecificationmicroSMD150F-2CheckOrder
microSMD175F-21.753.56400.80.0250.080.885Product SpecificationmicroSMD175F-2CheckOrder
microSMD200F-22461000. SpecificationmicroSMD200F-2CheckOrder
microSMDCH010F-020.10.3530100.91.2110.1125Product SpecificationmicroSMDCH010F-02CheckOrder
microSMDCH050F-020.51.56101. SpecificationmicroSMDCH050F-02CheckOrder
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
RF1350-000 MICROSMD005F-2 RoHS No 02/06/2017 PbFree No 02/06/2017 CoC_RoHS10_RF1350-000_(MICROSMD005F-2) REACH_SVHC Declaration_RF1350-000 (MICROSMD005F-2) Yes
Does not Contain
RF1351-000 MICROSMD010F-2 RoHS No 12/13/2016 PbFree No 12/13/2016 CoC_RoHS10_RF1351-000_(MICROSMD010F-2) REACH_SVHC Declaration_RF1351-000 (MICROSMD010F-2) Yes
Does not Contain IPC_RF1351-000 (MICROSMD010F-2)
RF1352-000 MICROSMD035F-2 RoHS No 08/10/2017 PbFree No 08/10/2017 CoC_RoHS10_RF1352-000_MICROSMD035F-2 REACH219_Declaration_RF1352-000_(microSMD035F-2) Yes
Does not Contain
RF1353-000 MICROSMD050F-2 RoHS No 06/13/2017 PbFree No 06/13/2017 CoC_RoHS10_RF1353-000_(MICROSMD050F-2) REACH_SVHC Declaration_RF1353-000 (MICROSMD050F-2) Yes
Does not Contain
RF1354-000 MICROSMD075F-2 RoHS No 04/26/2017 PbFree No 04/26/2017 CoC_RoHS10_RF1354-000_MICROSMD075F-2 REACH_SVHC Declaration_RF1354-000 (microSMD075F-2) Yes
Does not Contain
RF1355-000 MICROSMD110F-2 RoHS No 02/06/2017 PbFree No 02/06/2017 CoC_RoHS10_RF1355-000_MICROSMD110F-2 REACH_SVHC Declaration_RF1355-000 (MICROSMD110F-2) Yes
Does not Contain
RF1437-000 MICROSMD150F-2 RoHS No 09/20/2017 PbFree No 09/20/2017 CoC_RoHS10_RF1437-000_(microSMD150F-2) REACH_SVHC Declaration_RF1437-000 (MICROSMD150F-2) Yes
Does not Contain
RF1511-000 MICROSMD175F-2 RoHS No 05/14/2017 PbFree No 05/14/2017 CoC_RoHS10_RF1511-000_MICROSMD175F-2 REACH209_Declaration_RF1511-000_MICROSMD175F-2 Yes
Does not Contain
RF1512-000 MICROSMD200F-2 RoHS No 07/14/2017 PbFree No 07/14/2017 CoC_RoHS10_RF1512-000_MICROSMD200F-2 Yes
RF1515-000 MICROSMDCH010F-02 RoHS No 01/01/2009 PbFree No 01/01/2009 CoC_RoHS10_RF1515-000_MICROSMDCH010F-02 REACH205_Declaration_RF1515-000_MICROSMDCH010F-02 Yes
Does not Contain
RF1605-000 MICROSMDCH050F-02 RoHS No 04/26/2016 PbFree No 04/26/2016 CoC_RoHS10_RF1605-000_(MICROSMDCH050F-02) Yes
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