YQS5679

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PTC Resettable Fuses are a type of Resettable Fuses, and the YQS5679 is one of the most popular models available on the market. The YQS5679 is a solid state resettable fuse that is designed to protect critical circuit elements from damage in high voltage power supplies. The YQS5679 has a wide range of application fields, as it is capable of functioning in both AC and DC circuits. It is also suitable for use in applications with high inrush currents in applications such as motors or switching power supplies. In addition, its fast-acting characteristics make it an ideal choice for AC/DC converters, UPS systems, battery management systems, and other applications.

The YQS5679 has been designed to provide reliable over-current protection for various applications. It is capable of providing a fast reacting over-current protection in AC, DC, and mixed-mode testing applications. Its fast-acting characteristic ensures that it is able to react quickly to over-current situations and, consequently, protect other components from damage. The YQS5679 has a nominal current rating of 5A and a maximum I2t of 5A²s, providing fast-acting protection for various applications.

The YQS5679 also features a mechanism that allows it to reset after an over-current event has occurred. This resetting feature requires no manual intervention and can take place almost instantaneously after the event has occurred. This ensures that the device can be used in cyclic applications, where the maximum current must be restricted within safe limits. Furthermore, if an over-current event occurs, the YQS5679 will reset and return itself to its original operating state, ensuring that the circuit is thoroughly protected from any further damage.

The YQS5679 also features an auto-resetting capability, which allows it to reset itself after an over-current event without requiring any manual intervention. This auto-resetting mechanism is based on hysteresis, which is a method of measuring current feedback by way of an inherent delay. This delay allows the device to safely reset itself without any intervention from the users. Furthermore, the YQS5679 can reset itself up to a maximum of three times in succession, providing improved protection for cyclic applications.

In short, the YQS5679 is a reliable and versatile Resettable Fuse, ideal for protection in both AC and DC circuits. It has a wide range of application fields, is capable of providing fast-acting protection from over-currents, and features a resetting mechanism that allows it to reset itself after an over-current event has occurred. This provides improved protection for cyclic applications, ensuring that the device can successfully protect against any further damage.

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