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CTS Thermistor Series RTH42 on white background

PTC MIL-PRF-23648/19

RTH42 MIL-PRF-23648/19 specified precision PTC Thermistor meets or exceeds all of the requirements of MIL-PRF-23648. It is certified by the Defense Logistics Agency, Qualified Products List QPL-23648. These high-reliability, military grade PTC precision thermistor are suitable for critical applications where temperature control/compensation is required. A commercial version is available and conforms to the standard D035 package size.

Series Resources


  • PTC thermistor
  • Positive temperature coefficient: 0.7%/ °C
  • Operating temperature range: -55°C to 125°C
  • Standard resistance range at 25°C: 10 to 10k ohms
  • Power rating: 0.500 W at 25°C, derate to 0 W at 125°C
  • Thermal time constant: 60 seconds max in still air
  • Dissipation constant: 5 mW/°C min in still air
  • Curves: E
  • Tolerances: 1%, 2%, 5%, 10%
  • RoHS options available
  • Commercial option available


  • Temperature measurement and control
  • Amplifier stablization
  • Power control
  • Microprocessor interfacing
Sensor TypePTC
Temperature RangeCustom
Beta ValueCustom

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