AHRF600-2 Circuit Protection

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PTC resettable fuses are a form of over-current protection device for providing a reliable means of protecting electrical circuits and outputs from the risk of fire from overloading or short circuit conditions. Among this type of protection devices, AHRF600-2 is a popular product of PTC resettable fuses. It offers a variety of advantages, including excellent electrical and thermal performance, superior protection for electrical circuits, and a low resistance form factor.

Application Field of AHRF600-2

The PTC resettable fuse AHRF600-2 is mainly used in appliance equipment and consumer products, such as TVs, set-top boxes, air conditioners, electric fans, electric ovens, microwave ovens, coffee makers, and so on. And it can provide basic hardware safeguards for AC and DC circuits. It can also be used in medical equipment and instrumentation.

Working Principle of AHRF600-2

The basic working principle of AHRF600-2 is that, when the circuit current is normally operating, the PTC resettable fuse is on and the electrical current flows through it. When an over-current occurs due to a short-circuit, the internal resistance of the PTC resettable fuse rises significantly, greatly reducing the flow of electrical current, therefore, the temperature of the fuse rises so that the fuse can quickly interrupt the flow of excess current before it causes serious damage, saving energy, assets, as well as customers’ time. After the abnormal current has been eliminated, the element of the PTC resettable fuse is reset and it returns to a low temperature state.

In Comparison to Traditional Fuses

Compared to traditional fuses, PTC resettable fuses have advantages of adjustable current, various trip times, smarter current curves, improved surge handling, more reliable protection from oppressive heat rise, and reduced mounting variability. As well, unlike traditional fuses, PTC resettable fuses do not require frequent replacement and offer unlimited life cycles for use.

Conclusion

In conclusion, AHRF600-2, belonging to PTC resettable fuses family, offers an excellent means of providing electrical circuit protection from the risk of overloading or short-circuit. Its excellent electrical and thermal performance, superior protection for electrical circuits, and a low resistance form factor makes it an especially popular choice for appliance equipment and consumer products, as well as a wide range of medical equipment and instrumentation.

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