LR Series - Surface Mount End-Banded Chip Thermistors 1206 Style (125°C)

Series: LR
Littelfuse Surface Mount Thermistors 1206 - LR image
Roll Over to Zoom
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 ModelsStockSamplesCompare
LR102D0J10005400mW-40° to 125°CEngineeringRTLR102D0JCheck
LR103G0J100005400mW-40° to 125°CEngineeringRTLR103G0JCheckOrder
LR104J0J1000005320mW-40° to 125°CEngineeringRTLR104J0JCheck
LR204R0J2000005400mW-40° to 125°CEngineeringRTLR204R0JCheck
LR222E0J22005-40° to 125°CEngineeringRTLR222E0JCheckOrder
LR252L0J25005400mW-40° to 125°CEngineeringRTLR252L0JCheck
LR303K0J300005400mW-40° to 125°CEngineeringRTLR303K0JCheck
LR502F0J50005400mW-40° to 125°CEngineeringRTLR502F0JCheck
LR503L0J500005400mW-40° to 125°CEngineeringRTLR503L0JCheck
LR504M0J5000005320mW-40° to 125°CEngineeringRTLR504M0JCheck
To request product environmental information, please complete the Product Environmental Information Request Form.