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Flexible Thermistors

Flexible Thermistors are NTC thermistors which have flexible insulation to help simplify product assembly or provide unique monitoring solutions.  Using flexible thermistors will help to speed up assembly and thus minimise production handling costs.  Their small size give fast, accurate sensing and/or temperature control in numerous domestic and commercial applications.

Our range options include:

Semitec JT range ultra-thin flexible film NTC thermistors

Semitec ET series NTCs with thin lead-wires enabling very fast response times

Semitec AT-4 thermistors with flexible PVC insulated wire for simplified assembly

Semitec 103AT-11 thermistor sensors offer IP67 integrity and industry standard temperature control

These basic thermistors can also be customised to meet exacting requirements and supplied with connectors or various housings.  Widely used in commercial refrigeration, e-vehicle batteries and home automation products, Semitec flexible thermistors provide the ultimate temperature sensor solution.


Call us today on 01606 871680 to discuss your application’s thermal sensor requirements.  Using our extensive technical knowledge and innovative supplier base, we will work with you to provide the optimum solution for your product.



  • Semitec AT-4 High Accuracy Lead Wire NTC Thermistor

    Semitec AT-4 thermistors have flexible, PVC insulated lead-wires therefore offering all the technical benefits of the popular AT-2 NTC thermistor, but help to simplify the battery assembly process. The popular Semitec AT series offers high 1% accuracy with tight resistance and B-value tolerances. Excellent long term reliability.

    Two main wire gauges available (30AWG or 26AWG) with 10kohm versions readily available from stock.

    Call our technical sales team to discuss any specific requirements.

  • SEmitec 103AT-11 IP67 NTC Thermistor
    Semitec 103AT-11 IP67 NTC Temperature Sensors

    The Semitec AT-11 series, are TPE encapsulated sensors utilising our popular AP-2 NTC thermistors. Suitable for temperatures from -50°C/+110°C.

    Moisture-proof to IP67 and isolated to 3.75kV, the AT-11 temperature sensor offers an excellent and accurate low-cost solution for general temperature sensing applications.

    Readily available from stock with 0.6m, 1.5m and 3.0 m lead lengths. This range is readily customised offering you a variety of  lead lengths  and other R25/ B value combinations using our Semitec AT-2/AP-2 NTC thermistors.


  • Flexible, thin film, NTC thermistors
    Semitec JT Ultra-Thin Flexible Film NTC Thermistor

    Semitec’s JT series of thermistors are ultra-thin flexible film NTCs that give a very fast response to temperature change. Laminated within 2 polymer layers it is one of thinnest available worldwide at less than 0.5mm thick.

    Whilst increasingly used within medical device applications, it is a versatile thermistor which is used within battery packs, e-vehicles, mobile devices and surface/air  temperature sensors.


  • ET Epoxy Coated NTC Thermistors
    Semitec ET Miniature Epoxy NTC Thermistor

    Originally designed for clinical thermometer applications this small beaded NTC thermistor is very versatile and suitable for wide range of applications.

    Very fast response  times and high accuracy make it a universal choice for low-cost applications.

    R37 tolerances of ±1% or smaller and matched resistance groups help to minimise unit cost whilst maximising sensor accuracy.


  • ATC Semitec SPMM Interchangeable Miniature Thermistor
    ATC Semitec SPMM Miniature Interchangeable NTC Thermistor

    The SPMM series is a range of extremely small temperature sensors in which we can offer NTC thermistors with precision interchangeability. The sensing portion (as small as 0.60mm dia. x 6mm long) allows it to be easily incorporated with other sensors in medical instruments and other multi-sensing applications. Utilising our series of miniature interchangeable NTC’s, a wide range of resistance values, RT curves and accuracies can be offered.