B59339A1502P020

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PTC thermistors, short for Positive Temperature Coefficient thermistors, are temperature sensors or thermal switches with a large, measurable resistance change with respect to temperature change. B59339A1502P020 is one of the best-known PTC thermistors with an impressive temperature range from -60 to 250 degrees Celsius. It is widely used in domestic appliances, such as circuit protection, motor protection, power supply protection, temperature control, thermal alarm/shutdown, power overload protection and other temperature control applications, because of its high current carrying capacity and cost-effectiveness.

Applications

B59339A1502P020 has multiple applications, ranging from temperature measurement and control to current protection and thermal alarm/shutdown. Due to its ability to measure and control temperature, it is often used in thermostats, ovens, and other applications that require precise temperature control. In addition, its high current carrying capacity makes it suitable for circuit protection, power supply protection, and power overload protection.

Working Principle

The working principle of B59339A1502P020 is based on the fact that its electrical resistance is highly dependent on temperature, increasing with a rise in temperature. Its resistance to temperature change is normally semi-logarithmic, meaning that it has a degree of linearity between two points of temperature. Depending on the environment, this linearity can be adjusted by changing the temperature coefficients or by utilizing multi-layer elements for a slightly curved response.

When exposed to a temperature change, the resistance of the B59339A1502P020 changes and produces a corresponding change in the current. This change in current allows for the device to accurately measure the temperature and adjust accordingly. Moreover, the device is also equipped with a protective sheath which helps to reduce the risk of stress overload, offering superior robustness.

Conclusion

In conclusion, B59339A1502P020 is a versatile PTC thermistor generally used for temperature measurement and control, current protection, and thermal alarm/shutdown applications. Due to its logarithmic temperature coefficient, it offers a greater degree of linearity and accuracy when measuring temperature and allows for precise temperature control. Additionally, its high current carrying capacity also gives it an edge in terms of circuit protection, power supply protection, and power overload protection.

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