115-202CDK-801

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A NTC Thermistor (negative temperature coefficient thermistor) is a temperature-sensing device that is commonly used as a temperature sensor in various applications. NTC thermistors are composed of semiconductor-type materials and exhibit a decrease in electrical resistance as temperature increases, a phenomenon known as negative temperature coefficient. The 115-202CDK-801 NTC thermistor is a device typically used in temperature control circuit application and is an outstanding choice among thermistors for a wide range of applications.

Application Field

The 115-202CDK-801 NTC thermistor is a 3-pin device developed by Ohmite, and is commonly used in temperature control circuit applications. It is usually found in the industrial environment and measures temperatures of a wide range, from -40° to 400°C. This wide range of temperature coverage makes the product suitable for use in various industries such as automotive, domestic appliances, military, telecommunications, computers, data systems, electrical and electronics. Moreover, the product is equipped with a wide range of features such as excellent noise immunity, high accuracy and fast response time.

Working Principle

As mentioned earlier, the 115-202CDK-801 NTC thermistor exhibits a decrease in electrical resistance as temperature increases, a phenomenon known as negative temperature coefficient. This decrease in resistance is due to the movement of electrons in the semiconductor material, and is the foundation of the thermistor\'s operation.

The device\'s three pins, ground, power supply and output, are connected to a voltage source and current flows through them. The voltage source provides an input voltage, and this voltage is applied across the thermistor. The temperature of the thermistor causes a variation in its resistance; thus a change in the voltage across the thermistor will be observed. The resistance is inversely proportional to the temperature; thus if the temperature increases, the resistance decreases, and vice versa. This phenomenon is known as the voltage amplification effect.

The output voltage is then collected and fed to the control circuitry, which then controls the output based on the temperature. Therefore, the 115-202CDK-801 NTC thermistor can accurately measure the temperature of a target device or environment.

In conclusion, the 115-202CDK-801 NTC thermistor is a temperature sensing device that is ideally suited for temperature control circuit applications. It is an excellent choice among NTC thermistors thanks to its wide temperature coverage range, excellent noise immunity, high accuracy, and fast response time. It can measure temperatures from -40° to 400°C, which makes it suitable for an array of applications such as automotive, domestic appliances, military, telecommunications, computers, data systems, electrical and electronics.

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