RA473K0J

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The RA473K0J is a type of temperature sensor, which specifically belongs to the NTC thermistor category. A thermistor is a form of resistor that is sensitive to the change of temperature; the resistance will vary with the temperature levels – this is called its “temperature coefficient”. The RA473K0J is a thermistor with a negative temperature coefficient – the resistance decreases when the temperature rises, and vice versa.

The RA473K0J is a small, cylindrical type of NTC thermistor with low-profile construction for easy warmth detection and sensing. It features a coated thermistor body and is packaged with a 0.9 mm pitch connector, which makes it a great choice for high-density mounting. In addition, the RA473K0J has a temperature range of -40°C to +105°C, and its resistance value at 25°C is 10K ohms.

When it comes to the application field of the RA473K0J, it is mainly used to sense temperature in various fields, such as medical care, automotive, home appliances, and electronic parts. For example, it can be used in a car’s temperature gauge system, to sense the temperature inside the engine so the driver can see at a glance when it is too hot or too cold and take appropriate action. In medical care it can be used for body temperature detection. And in home appliances, it can be used for refrigerator temperature control or oven temperature sensing.

Furthermore, the working principle of the RA473K0J is quite simple. Thermistors are made of special materials, such as ceramics, polymers, and metals, which are sensitive to temperature. When the temperature increases, the resistance of the thermistor decreases. This change of resistance will trigger a change in the electrical current, and can be used to immediately inform a system of any changes in the temperature. This is how the RA473K0J works to sense the temperature.

In conclusion, the RA473K0J is a form of NTC thermistor and is mainly used for temperature sensing in various applications. It has a temperature range of -40°C to +105°C, and its resistance at 25°C is 10K ohms. In terms of working principle, it is based on the fact that when the temperature increases, the resistance of the thermistor decreases, thus triggering a change in the electrical current, which can then be used to sense the temperature.

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