STS3 Thin Flexible Film Temperature Sensor

The STS3 sensor is basically an extended version of our very popular film-type Semitec JT thermistor.  This NTC thermistor assembly benefits from having the thin flexible tip of the JT thermistor, with long enough lead-wire extensions to allow direct connection to the control p.c.b.

With a thickness of less than 0.5mm, JT thermistors have a very fast thermal response but also excellent electrical insulation, so can be safely used where they might lie adjacent to an electrode.

Available with R25 values of 10k ohms and 100k ohms, the STS3 sensor offers a bespoke solution to various temperature sensing problems in tight spaces.


  • E-vehicle batteries
  • Fire alarms and heat detectors
  • Rechargeable Batteries
  • Medical devices and sensors
  • General air sensing applications


  • Fast response design (Tc ≤ 1s)
  • High accuracy ±1%
  • Flexible sensing tip
  • Interchangeability between NTCs
  • Operating range up to -40°C to +125°C
Popular JT flexible NTC thermistor with leads and connector. Thin film NTC can be placed close to the heat source - giving high accuracy fast response. Bespoke solutions available.

Technical Specifications

NTC Thermistor Series JT
Temperature Range -40°C/+125°C depending on NTC
Sensor Accuracy R25±1%
Sensor Material Polyimide/Polyester
Lead Wires From 24~30 AWG PVC, XLPE
Connectors JST XHP-2, Molex mini-fit Jr., etc