YQZ120N100 Circuit Protection

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PTC resettable fuses, commonly referred to as polyfuses, are over-current protection devices used to protect electrical and electronic circuits. They are constructed from very small polymeric resettable fuses and are often used in applications that require a high degree of reliability. YQZ120N100 is a new type of resettable fuse specifically designed to provide ultra-fast response time and high current protection. It offers protection for devices such as automotive electronics, medical equipment, communication systems, computers, IT equipment and consumer electronics.

The YQZ120N100 resettable fuse is comprised of a small ceramic housing, a temperature-sensitive polymeric element, a metal spring, and two metal conductors. The ceramic housing acts as an insulator, providing thermal insulation and preventing the assembly from short circuiting. The polymeric element contains a conductive polymer matrix which is sensitive to heat. The metal spring provides a pressure connection between the two metal conductors. When the current flowing through the fuse increases beyond the safe level, the heat generated by the current causes the polymer matrix to expand and create an open circuit.

The YQZ120N100 fuse has a very fast response time which makes it suitable for high voltage and high current applications. It is designed to protect circuits from short-term surges that occur during device startup and power cycling. It is an effective protection device for automotive electronics, computer motherboards, LED drivers, and other devices that require additional protection from over-current. Additionally, the YQZ120N100 has superior thermal shock resistance and is resistant to vibration and corrosive materials, making it an ideal choice for harsh environments.

The YQZ120N100 resettable fuse has a number of advantages when compared to other types of over-current protection. Its fast response time makes it ideal for use in high voltage and high current applications where traditional circuit breakers may not be able to react quickly enough. Additionally, the YQZ120N100 can be reset easily by the user after an over-current event, eliminating the need to replace the device and saving time and money. Additionally, the fuse is not sensitive to electromagnetic interference, making it suitable for use in a wide range of applications.

In conclusion, the YQZ120N100 resettable fuse is an effective solution for protecting circuits from over-current events. It is fast reacting and easy to reset, making it suitable for a wide range of applications. Additionally, the device is resistant to shock, vibration, and corrosive materials, making it ideal for use in harsh environments. The YQZ120N100 is a versatile over-current protection device that is sure to provide reliable protection for many years to come.

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