NTCS0402E3103HLT

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Thermistors are temperature sensors that have been used in a variety of applications for decades. One type of thermistor is the NTC, in particular the NTCS0402E3103HLT. This sensor is widely used in industrial temperature measurement and control systems. This article will explore the application fields of the NTCS0402E3103HLT, as well as its working principle.

Application Fields of the NTCS0402E3103HLT

This thermistor is popularly used in power supplies, temperature control systems, motor controllers, laptop and phone chargers, automotive electronics, and consumer electronics. The NTCS0402E3103HLT has a high operating temperature range, and its resistance values remain stable at temperatures between -55°C and +125°C. It has an excellent thermal shock resistance, and its low-temperature linear thermal coefficient makes it suitable for use in a range of devices.

The NTCS0402E3103HLT also has a service life that is ten times that of many other thermistors. This is largely due to its high reliability and stability over wide temperature ranges. Additionally, the NTCS0402E3103HLT has a low sensitivity to external electrical noise, making it suitable for use in high-noise environments. It is small in size and lightweight, but has an accurate and repeatable temperature measurement capability.

Working Principle of the NTCS0402E3103HLT

The NTCS0402E3103HLT relies on the principle of Negative Temperature Coefficient (NTC) thermistors. When the ambient temperature increases, the resistance of an NTC thermistor decreases, resulting in a change in current. This change in current is then processed by the associated device or control system and the temperature can be accurately measured. This is known as the “thermal coefficient” of the thermistor.

The NTCS0402E3103HLT operates with a resistance of 10 kOhms at a temperature of 25°C. The temperature coefficient of the thermistor is approximately −6.4ΔR/K in the range from −55 to +125°C and is almost independent of the respective ambient pressure. Additionally, the NTCS0402E3103HLT has excellent ageing characteristics and stability over entire temperature range.

Typically, the thermal coefficient is expressed in ΔR/K, which means that when the temperature of the sensor increases by 1°C, the resistance of the NTCS0402E3103HLT decreases by approximately 6.4ΔR/K.

Conclusion

The NTCS0402E3103HLT is a type of thermistor, a temperature sensor used in a variety of applications. It has a high operating temperature range, excellent thermal shock resistance, and long service life. The working principle of the NTCS0402E3103HLT relies on the Negative Temperature Coefficient (NTC) of the thermistor, where its resistance is inversely proportional to the temperature and the thermal coefficient is approximately −6.4ΔR/K.

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