MA100BF103AN

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Temperature sensors come in a variety of shapes and sizes, from complex digital systems to the many varieties of resistive temperature sensors. NTC thermistors are among the most common of these resistive temperature sensors. The MA100BF103AN is a commonly used device for sensing temperature, among a variety of other uses.

An NTC thermistor consists of a semiconductor material which has a negative temperature coefficient, meaning its resistance decreases as its temperature increases. The MA100BF103AN specifically is an NTC thermistor consisting of a tiny bead with wires attached, and its resistance at room temperature measured at 103 ohms. The temperature coefficient of this device is -3.979 kOhms/°C, and it has a beta value at 25 °C of 3435. The range of resistances provided by this thermistor is between 8.04K ohms to 75.4K ohms.

One of the primary uses for this device is as a temperature sensor. For instance, the thermistor can be used to detect changes in the temperature of a room or environment. It can also be used to detect changes in the temperature of water, particularly in the case of refrigeration. Additionally, the thermistor can be used to detect temperature changes in electrical components, motors and other high temperature applications.

In addition to being used as a temperature sensor, this thermistor can also be used as a voltage divider. Since the resistance of the thermistor decreases with increasing temperature, it can be used to measure the resulting voltage across it. The voltage output can then be used to determine the temperature of a heated object, or even used as feedback to control the temperature of a process, such as in an industrial furnace or heater. The results from the voltage divider can then be further interpreted with a circuit and processor in order to be displayed as actual temperatures.

The thermistor is usually designed to operate in the range of 10K-20K ohms. Consequently, for accuracy, care must be taken to ensure that it is powered with a voltage source that can output a range of resistances within this range. Typically, this means using an external circuit, such as a voltage divider, or even an LM555 timer, to supply the voltage to the thermistor. The thermistor can then be connected to a sensing circuit which can measure changes in the voltage output from the thermistor and convert it to temperature readings.

The MA100BF103AN thermistor is widely used in a variety of applications, from temperature sensing to voltage division. It is highly accurate, and can be operated over a wide temperature range. As such, it is a very popular choice for applications such as motor control, home automation, medical systems, cooling systems and industrial controls.

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