Thermistors for high-accuracy temperature measurement

18th June 2014
Posted By : Siobhan O'Gorman
Thermistors for high-accuracy temperature measurement

Ametherm has introduced NTC disc thermistors featuring a wide range of resistance values and precision tolerances to 1 % for high-accuracy temperature measurement.

Providing designers with a cost-effective alternative to thermocouples in precision circuits, the NTC disc thermistors deliver high stability and maximum sensitivity for temperature measurement, compensation, and control in applications such as fan motor controls, fluid levels, and temperature sensors in a wide range of end products.

With diameters from 2.54 mm to 12.7 mm and profiles from 0.64 mm to 5.33 mm, the devices released today feature resistance at 25 °C from 4 Ω to 150 kΩ, Beta from 3000 °K to 5000 °K, and high-temperature operation to + 150 °C. The NTC disc thermistors offer dissipation constants from 3 mw/°C to 17 mw/°C and thermal time constants down to 5 s. RoHS-compliant, the leaded components are available in insulated and non-insulated configurations.

The devices are available direct or through distributors such as Sager, Dexter Magnetic Technologies, and PUI. Samples and production quantities of the NTC disc thermistors are available now, with factory lead times of six weeks.


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