0805 - KR Series - Surface Mount End-Banded Chip Thermistors 0805 Style (125°C)

Series: 0805 - KR
Littelfuse Surface Mount Thermistors 0805 - KR image
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Disclaimer Notice

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, 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.

Littelfuse surface mount end-banded thermistor elements are designed for use on hybrid substrates, integrated circuits or printed circuit boards. They have a solder coated metallization which is suitable for various contact techniques including wire bond, epoxy or solder. Since they are manufactured using the most advanced equipment and technology available, their dimensional parameters are extremely uniform making the devices especially suitable for use with automatic handling and placement equipment.


  • Surface mountable
  • Small size
  • Low cost
  • Nickel Barrier


  • Non-standard resistance values and tolerances
  • Tape and reel packaging
  • Solder coated metallization


  • Thermal time constant: 10 seconds max
  • Dissipation constant: 1 mW/°C
  • Rated to +125°C maximum operating temperature

Access specifications, certifications, check availability and order parts below

Catalog #Resis Ω @ 25°CResis Tol ± % @25°CMax Power RatingOperating TemperatureEngineering DrawingRT TablePartner ECAD ModelsCompare
KR102D0J10005300mW-40° to 125°CEngineeringRTKR102D0J
KR103E0J100005300mW-40° to 125°CEngineeringRTKR103E0J
KR103G0J100005300mW-40° to 125°CEngineeringRTKR103G0J
KR103J0J100005-40° to 125°CEngineeringRTKR103J0J
KR104R0J1000005300mW-40° to 125°CEngineeringRTKR104R0J
KR204R0J2000005300mW-40° to 125°CEngineeringRTKR204R0J
KR252L0J25005300mW-40° to 125°CEngineeringRTKR252L0J
KR272G0J27005-40° to 125°CEngineeringRTKR272G0J
KR303K0J300005300mW-40° to 125°CEngineeringRTKR303K0J
KR502F0J50005300mW-40° to 125°CEngineeringRTKR502F0J
KR503L0J500005300mW-40° to 125°CEngineeringRTKR503L0J
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
KR103G0J THERMISTOR, US SENSOR P/ RoHS No 06/08/2021 PbFree No 06/08/2021 CoC_RoHS10_KR103G0J REACH211_Declaration_KR103G0J Yes
Does not Contain
KR104R0J THERMISTOR, US SENSO RoHS No 11/09/2020 PbFree No 11/09/2020 CoC_RoHS10_KR104R0J REACH209_Declaration_KR104R0J Yes
Does not Contain
KR303K0J NTC THERMISTOR 30K OHM 5% 0805 SMT RoHS No 01/30/2019 PbFree No 01/30/2019 CoC_RoHS9_KR303K0J REACH197_Declaration_KR303K0J
Does not Contain
KR502F0J NTC THERMISTOR 5K OHM 5% 0805 SMT RoHS No 02/17/2020 PbFree No 02/17/2020 CoC_RoHS10_KR502F0J Yes
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