Thermistors from Littelfuse, Inc.

End-Banded Chip Thermistors -- RA303K0J

End-Banded Chip Thermistors -- RA303K0J -- View Larger Image
End-Banded Chip Thermistors -- RA303K0J-Image

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


Product Category
Temperature Range
-40 to 125 C (-40 to 257 F)
Resistance (@25°C)
Lead Style