SM104J1F

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NTC thermistors are temperature sensors with a negative temperature coefficient (NTC). The SM104J1F is one of the most widely used NTC thermistors and is employed in a variety of applications to provide temperature-dependent resistive outputs.

Building and Construction

The SM104J1F is a glass encapsulated type of NTC thermistor and consists of a bead of semiconductor material embedded in a high-temperature glass envelope. It has a non-uniform resistance for a given temperature, which is represented as a table of resistance values at different temperatures. The resistance of the SM104J1F thermistor decreases with increasing temperature.

Operational Principle

The NTC thermistor works on the basis of the negative temperature coefficient of resistance, which states that the resistance of a material decreases with an increase in temperature. This means that the resistance of the SM104J1F thermistor can be used as an indicator of temperature. The resistance is determined by measuring the voltage across the thermistor, which is the output of the thermistor.

The SM104J1F thermistor is connected to a circuit by connecting it in series or parallel to an AC voltage source, resistor, and capacitor. This is done by connecting it in series to the capacitor and connecting the resistor in parallel to the capacitor. The output voltage of the thermistor is then measured. The voltage is directly proportional to the temperature of the thermistor. The shaping and pattern of the thermistor response is determined by the connected circuit and components.

Application Fields

The SM104J1F thermistor can be used in a variety of applications including air conditioning systems, medical thermometers, automotive temperature sensors and in climate control systems. It is also useful for applications where the temperature needs to be accurately monitored such as in process control systems, scientific experiments, and in medical and industrial equipment.

The SM104J1F thermistor is also used in automotive applications. In these applications, the thermistor is connected to the engine so that the engine temperature can be monitored. The thermistor can be used to determine when the engine is running too hot and needs to be shut off, or when the cooling system needs to be activated.

The SM104J1F thermistor can also be used in other applications such as medical and industrial equipment. In medical equipment, the thermistor is used to monitor living tissue temperatures and measure body temperatures. It is also used in industrial equipment to monitor the temperatures of machines and equipment.

Conclusion

The SM104J1F thermistor is a widely used NTC thermistor with a wide range of applications. It is used in air conditioning systems, automotive applications, medical equipment, and climate control systems. The thermistor has a negative temperature coefficient of resistance, which means that the resistance decreases with an increase in temperature. The output voltage of the thermistor is then measured to calculate the temperature of the thermistor. The SM104J1F thermistor is reliable and easy to use, making it a popular choice for many applications.

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