Ultra-thin Flexible NTC Thermistors – ATC Semitec 104JT-025, This very flexible and ultra thin (just 0.5mm thick) thermistor has a superior insulating film. It can be bent into the smallest of spaces and has a fast response so is ideal for surface-sensing applications. ATC Semitec 104JT-025 Jt Thermistor 100k 025 Shape