89750180

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Temperature Sensors - NTC Thermistors

NTC thermistors are temperature sensitive resistors used to measure and monitor temperature changes. They work by altering their electrical resistance in response to fluctuations in temperature. NTC thermistors consist of a semiconducting material, usually crystalline metal oxides, that possesses electrical conductivity depending on the surrounding environment. By providing voltage across a thermistor, the resistance changes in accordance with temperature changes. This varying resistance can be then measured to assess the temperature.

Temperature sensors of this type are commonly used in many industries and applications where accurate temperature measurement and monitoring is needed. In the medical field, NTC thermistors are essential in controlling the temperature of hospital equipment and patient monitoring. NTC thermistors are also commonly used in domestic appliances such as heaters and refrigerators to accurately control air temperatures.

Additionally, NTC thermistors are often incorporated in the electronics and telecommunications industry. They are important for ensuring that sensitive electronics are not damaged by excess temperatures, and for the regulation of cooling systems. NTC thermistors are also increasingly being used in cleanroom technology and HVAC applications.

NTC thermistors with the number 89750180 are part of the series EXXTAL NTC thermistors. This particular product is compatible with sensors featuring a wide temperature range of -40 to +125°C. EXXTAL thermistors feature very low ceramic self-heating and possess high accuracy for reliable temperature measurement. The high-precision surface mounting capability ensures easy installation in applications where space is at a premium.

The working principle of an NTC thermistor is based on the fact that its electrical resistance is affected by changes in temperature. The resistance of an NTC thermistor decreases as the surrounding temperature increases; the opposite is true for a PTC thermistor. NTC thermistors feature negative temperature coefficients; the resistance decreases with rising temperature. This change in resistance can be linear, where the resistance changes at a steady and uniform rate, or non-linear, where the rate of change differs among different temperature ranges.

The accuracy of the NTC thermistor is affected by several parameters. These include the signal noise-to-sensitivity ratio, operating voltage, and mounting force. In addition, temperature measurement errors may take place due to heat transfer between the thermistor and the mounting surface. Proximity of the thermistor to other components may also influence its accuracy. These errors can be minimized by using proper materials for the mounting surface and by adjusting the thermistor to its optimal distance from other components.

NTC thermistors are an effective and reliable solution for monitoring and measuring temperature changes in various industries and applications. They are especially useful for accurate temperature control in medical, electronics, telecommunications, and HVAC applications. The 89750180 thermistor is an example of this technology, and its EXXTAL NTC properties ensure excellent accuracy for accurate temperature measurement.

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