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Semitec JT Ultra-Thin Film NTC Thermistor

Semitec’s JT thermistors are very thin flexible film NTCs that give a very fast response to temperature change.  The NTC chip is cleverly laminated within 2 polymer layers to ensure environmental integrity and at less than 0.5mm thick, it is one of the thinnest worldwide.

Whilst originally designed for use in prismatic batteries, it is a highly versatile thermistor used in an array of different applications, with its small size keeps them compact.


  • Battery packs, chargers
  • E-Vehicles
  • IOT devices
  • Medical devices
  • Fire & security devices
  • Surface temperature sensors
  • Fast response air temperature sensors


  • One of thinnest available worldwide -less than 0.5mm thick.
  • Laminated within 2 polymer layers – flexible yet resilient.
  • Operating range -50°C/+125°C
  • Very fast response times.
  • Standard R25 values are 10kohms and 100kohms with lengths of 25mm, 50mm, 75mm and 100mm.

Stock parts include :

103JT-025, 103JT-050, 104JT-025 and 104JT-050.


See the attached data sheet for further information including resistance tables etc.

Semitec JT Flexible NTC Thermistor Series | ATC Semitec