MF51E2251F3950C

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NTC Thermistors are sensor components that impose temperature-dependent resistance changes. This makes them a crucial part of various temperature measurement and calibration systems, because they calculate the temperature with great accuracy. The MF51E2251F3950C is an exemplary NTC Thermistor, comprising of a bead-shaped body encased in epoxy resin, that is designed to provide accurate readings of temperature changes over a wide range. In this article, we discuss the application fields and working principle of the MF51E2251F3950C.

Application Field

The MF51E2251F3950C is a high-precision NTC Thermistor, its temperature coefficient of resistance is rated at 50ppm/°C and its resistance range is 2.0K-22K Ohm. This makes it extremely versatile and suitable for a wide range of applications. It is widely used in precision thermometry, data-acquisition systems, digital system detectors, chemical-engineering controls, and in process industries such as paper handling, chemical, petrochemical, and metal smelting. It can also be used in automotive applications, such as in passenger compartments to detect the temperature in order to trigger the AC or in powertrain systems for temperature sensing in order to detect system performance.

In addition, It is capable of measuring both static and rapidly changing temperatures within the range of -25°C to +125°C, making it suitable for use in both indoor and outdoor locations. Additionally, it can maintain its accuracy in high humidity environments, making it suitable for applications such as room air conditioning, heating and air conditioning.

Working Principle

The MF51E2251F3950C works on the principle of Negative Temperature Coefficient (NTC). NTC is a phenomenon popularly observed in ceramic and silicate materials, where the electrical resistance of the material decreases with increasing temperature. This occurs due to the displacement of ions in the material, leading to a decrease in the number of mobile charge carriers in proportion to the increase in temperature. In the MF51E2251F3950C, this phenomenon is leveraged to measure temperatures precisely.

The MF51E2251F3950C comprises of a bead-shaped body encased in epoxy resin, with a pair of copper wires providing support to the body. As the temperature of the environment changes, the resistance of the body changes proportionally. This resistance change is measured by passing an alternating current (AC) through the wires via a bridge circuit. This signal is then converted into a digital signal which can then be read by a control unit. This digital signal is in proportion to the environment temperature and can be used to accurately measure the temperature.

In summary, the MF51E2251F3950C is an NTC Thermistor that is designed to provide accurate readings of temperature changes over a wide range. It is extremely versatile and suitable for applications such as precision thermometry, data-acquisition systems, digital system detectors, chemical-engineering controls, automotive applications, and more. It works on the principle of Negative Temperature Coefficient (NTC), where the electrical resistance of the material decreases with increasing temperature. This enables the thermistor to measure temperatures precisely.

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