103JG1K

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NTC (Negative Temperature Coefficient) thermistors are used as temperature sensors and are classified as temperature sensors. Generally, NTC thermistors consist of two types of substrates: metal and ceramic. 103JG1K series thermistors are a sampling from the positive temperature coefficient (PTC) thermistor product range. They offer an ideal solution for current limiting applications such as motors, power supplies, batteries, and white goods.

A 103JG1K thermistor is typically a self-contained temperature sensing device. It has a small element connected to a metal case or base. The element contains a mix of metals and other materials that change their electrical resistance significantly with temperature. When connected to a voltage source, a current flows through the resistance; this current is indicative of the temperature of the thermistor material.

The key feature of the 103JG1K series of thermistors is the accurate temperature sensing capabilities which make them ideal for current limited applications where precision is important. The low self-heating characteristics of the thermistor ensure that it is accurate and stable over a wide temperature range. Furthermore, the thermistor does not require an external power source, as the current generated in the circuit is enough to generate the necessary heat.

The working principle of a 103JG1K thermistor is straightforward and simple. The temperature of the thermistor increases with the current passed through it, while the reverse is true when the current is decreased. Additionally, the thermistor also follows the principle of self-heating, which means that the resistance increases with increases in temperature. All of this allows the thermistor to accurately report the ambient temperature at any given point of time.

The application field of the 103JG1K series includes current sensing and limiting, over-current protection, temperature compensation, motor control, and ambient temperature sensing. Generally, the thermistor is used to detect the presence of an over-current in a system and then shut off the power, protecting the system from damage due to excessive current.

Furthermore, the thermistor can also be used as a temperature sensor to precisely monitor the temperature of a system. The thermistor is capable of detecting small changes in temperature, allowing it to be used for precision temperature control. Additionally, it can be utilized to control the speed of a motor.

In conclusion, the 103JG1K series of thermistors are a reliable and versatile representation of the NTC thermistor family. Their precise temperature sensing capabilities, coupled with their low self-heating characteristics, make them ideal for applications requiring accurate temperature control. Furthermore, their broad application field makes them a suitable solution for a variety of power systems and other applications requiring current limiting or temperature detection.

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