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NTC chip thermistors boast high-accuracy temp measurement

Posted: 23 Apr 2014     Print Version  Bookmark and Share

Keywords:Ametherm  NTC chip thermistor  temperature measurement 

Ametherm has introduced its NTC chip thermistors for high-accuracy temperature measurement. Recently acquired from Measurement Specialties, the devices are available in a range of resistance values, with precision tolerances to one per cent and fast thermal response times, stated the company.

Providing designers with an alternative to thermocouples in precision circuits, the NTC chip thermistors promise to 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.

NTC chip thermistors

Measuring 1.27 x 1.27mm with profiles from 0.5-3.8mm, the devices feature resistance at 25°C from 100Ω to 500kΩ, a wide range of TCR values and high-temperature operation to 150°C, detailed Ametherm. The NTC chip thermistors offer a dissipation constant of 2mw/°C and thermal time constants down to 2s. RoHS-compliant, the leaded components are available in epoxy-coated and uncoated configurations.

The devices are available direct or through distributors such as Digi-Key, Mouser, Dexter Magnetic Technologies and PUI. Samples and production quantities of the NTC chip thermistors are available with factory lead times of six weeks.

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