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Ring lug NTC thermistor surface temperature probes are designed for screw-in-place applications. Most of these temperature probe housings are standard ring terminals or ring lugs with the thermistor potted in the barrel of the lug, popular for temperature measurement, control, and monitoring of small motors, heat exchangers, and fluid pumping systems, semiconductor heatsinks, enclosure panels, etc. They are also easily mounted in instruments where over temperature protection is required.

Ring lug form surface temperature sensor features
Good thermal coupling through metal tag.
Thermistor housed in eyelet nickel plated copper material.
Metal contact surface yields fast temperature response.
PVC insulated leads.
Eyelets to fit screw mounting.
NTC Thermistor can be assembled in housing in a variety of configurations for temperature sensing, measurement, detection, indicator, monitoring and control. Thermistor temperature sensor probe assemblies can conveniently attach to or be an integral part of any system to monitor or control temperature.The choice of assembly is dependent on the application. The primary factors which determine the optimum configuration of a thermistor assembly are the operating environment, mounting, time response and minimum dissipation constant.
The two factors which do vary considerably with thermistor sensor probe assembly design are time constant and dissipation constant. The time constant will typically be of greater duration in encapsulated thermistors. This is, of course, due to additional mass surrounding the thermistor element; therefore, extending the thermal transfer time. Dissipation constant will also be greater in assemblies. The additional housing mass serves well as a heat sink.