NTC Thermistors, Mini Lug Sensors

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Vishay's new series of Mini Lug negative temperature coefficient (NTC) thermistors with the industry’s smallest mounting space of 65 mm² / 0.1 in², and shortest response time of < 4s will provide fast and accurate measurements over a wide temperature range from − 40 °C to + 125 °C.

In addition to their small diameter, the NTCALUG03 thermistors feature a tiny 5.5 mm ring tongue that can be mounted with M2 screws or American studs #1 to 2. These small dimensions, when combined with the devices’ silver plated nickel conductor, result in a low thermal gradient of < 5% of ΔT for accurate surface temperature measurement in space-limited applications. The devices are optimized for housing, heat-sink, power electronics, and pipe and conductor thermal management in test and measurement equipment, appliances, and industrial equipment.

The thermistors offer designers a choice of electrical resistance values at + 25 °C (R25) to meet the self heating, voltage output, or noise suppression needs of their application. The NTCALUG03 devices feature R25 of 10 kΩ, 12 kΩ, or 47 kΩ, with tolerances of ± 2 % and ± 3 %. The thermistors are available with an optional 1.5 mm pitch ZHR-2 connector, and offer customizable lead lengths and screw sizes, like M3 / American stud #3 to 4. The NTCALUG03 series is compliant to RoHS directive 2002/95/EC.  


  • Smallest mounting space of 65 mm² / 0.1 in² only
  • Reduced thermal gradient less than 5 % of ΔT, due to small size and nickel conductor, enable accurate surface temperature measurement
  • Short response time, less than 4 s
  • Extended temperature range from - 40 °C to + 125 °C
  • Electrically insulated to minimum 1 kVAC
  • Optional ZHR-2 connector and customized lead lengths


  • Heatsink thermal management
  • Power electronics thermal management
  • Housing surface temperature measurement
  • Pipe and power conductor temperature control
  • Test and measurement equipment
  • Power inverters
  • Power supplies
  • Battery pole temperature monitoring