A-923

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NTC thermistors, also known as a Negative Temperature Coefficient (NTC) thermistor, are temperature sensing devices which offer highly accurate, fast response temperature measurement in a wide range of applications. Unlike other temperature sensing devices, such as thermocouples, NTC thermistors are inexpensive, rugged, and reusable. This makes them the preferred choice for many temperature sensing applications, such as in medical, automotive, and food processing industries.

The A-923 application field and working principle of NTC thermistors are resourceful in a broad scope of applications. Any application that involves precise temperature control or requires fast response time is suitable for using NTC thermistors. These thermistors serve in medical diagnosis devices, automotive AC systems, over-temperature protection, temperature compensation, cold storage systems, and many more.

The working principle of NTC thermistors is based on the phenomenon of negative temperature coefficient. As the temperature increases, the resistance of the thermistor decreases. This is caused by the decrease in valence band electron density and increase in conduction band electron density due to thermal agitation within the semiconductor material. In NTC thermistors, a wire is inserted into a thermally sensitive ceramic material. This material is made from metal oxides which have both high thermal conductivity and the ability to display large changes in resistance when exposed to temperature changes.

To measure temperature with an NTC thermistor, a voltage is applied to the thermistor and the resistance is measured. This resistance value is then correlated to the corresponding temperature value and this temperature value is then reported.NTC thermistors offer very high accuracy in temperature sensing and very fast response time. This enables these thermistors to respond to temperature changes faster than almost any other temperature sensing device.

Another advantage of NTC thermistors is their low self-heating effect. This helps them to accurately sense temperature changes over a wide range of temperatures. NTC thermistors are also low cost, durable and offer long term reliability, making them a good choice for many temperature sensing applications.

NTC thermistors are also available in various sizes and shapes to suit different applications. They come with different ratings, such as temperature range, voltage range, temperature coefficient, and more. This makes them highly customizable and flexible for use in various applications.

NTC thermistors offer accurate and fast temperature sensing in many different applications. They are cost-effective, durable, reliable, and come in various sizes and shapes, making them a great choice for applications such as medical diagnosis, automotive AC system, over-temperature protection, and temperature compensation.

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