2920L075/60MR Circuit Protection

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PTC (Positive Temperature Coefficient) Resettable Fuses are widely used in various fields of electronics. These types of fuses have a unique design that allows them to heal themselves whenever there is an overload or short circuit. The 2920L075/60MR PTC Resettable Fuse is one such type of fuse. It is a low-cost solution that can be used in many different applications. This article will discuss the application field and working principle of this specific type of fuse.

Application Field

The 2920L075/60MR PTC Resettable Fuse can be used in many applications. Some of the potential uses of this fuse are: battery protections for AC/DC adapters; overcurrent protection in telecom circuit boards; power applications for USB Type-C devices; protecting automotive systems from overload; protection of power supplies from short circuits; and home appliance circuit boards. This type of fuse can be used in any application where high currents need to be monitored and protected.

Working Principle

The 2920L075/60MR Resettable Fuse works by utilizing a special type of fuse element. This fuse element is composed of a Bi-metallic strip with two different metal alloys. When the current flowing through the fuse exceeds the rated current value, the bi-metallic strip quickly responds to high temperatures. The strip expands and triggers the fuse element into an open position. This leads to an interruption of current in the circuit.

When the current overload is removed, the bi-metallic strip cools down and returns to its original state. This resetting process allows the fuse to reset itself and close the contact points. The 2920L075/60MR Resettable Fuse can protect against overcurrent and short circuits multiple times before needing to be replaced - making it a cost-effective solution.

Conclusion

The 2920L075/60MR PTC Resettable Fuse is a cost-effective solution to protecting circuits from overcurrents and short circuits. This type of fuse is widely used in many different applications including battery protection, overcurrent protection in telecom circuit boards, and power applications for USB Type-C devices. It works by utilizing a special type of fuse element composed of a bi-metallic strip, which expands and triggers an open position when the current exceed the rated current value. When the overload is removed, the bi-metallic strip cools down and returns to its original state, allowing the fuse to reset itself.

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