NTC disc thermistors for accurate temperature measurement

13th June 2014
Posted By : Nat Bowers
NTC disc thermistors for accurate temperature measurement

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

Providing designers with a cost-effective alternative to thermocouples in precision circuits, the devices feature resistance at 25°C from 4Ω to 150kΩ, Beta from 3000°K to 5000°K, and high-temperature operation to +150°C.

With diameters of 2.54-12.7 mm and profiles of 0.64-5.33mm, the NTC disc thermistors offer dissipation constants of 3-17mw/°C and thermal time constants down to 5s. 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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