PTGL09BD3R3N2B51B0

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PTC Resettable Fuses

PTGL09BD3R3N2B51B0 is a commonly used PTC (Positive Temperature Coefficient) Resettable Fuse which has an excellent protection and performance. It is a two-terminal fuse that provides over-current protection to both DC and AC systems with the ability to automatically reset itself when the current returns to normal. The fuse allows for immediate recovery from an over-current fault without the need to remove, replace or reset it.

Application Field and Working Principle

PTGL09BD3R3N2B51B0 is mainly applied to the electronic products with low profile such as smart phone, laptop, PC mother boards,Tablet, laptop, and various consumer appliances. The fuse offers reliable protection against over-current beyond its rating, and circuit interruption, and also the possibility of allowing full rated current flow without interruption.

The working principle of the PTGL09BD3R3N2B51B0 Fuse is based on the property of PTC materials to increase resistance when exposed to higher temperature. As current passes through the fuse, it generates heat and increases the temperature of the material which raises the resistance of materials drastically. This causes a rapid decrease in current resulting in circuit protection. When the current returns to normal, the temperature drops, and the material shows its original low resistance state and starts allowing current to flow again.

The advantage of PTGL09BD3R3N2B51B0 over other types of fuses is its self-resetting property. It is designed with a material which allows it to reset by itself when it cools down. This eliminates the need to replace the fuse in case of an over-current fault. The fuse is rated for up to 32V and offers excellent protection against over-current.

PTGL09BD3R3N2B51B0 is a must-have device for any electronic device that needs to be protected against over-current. It is a cost-effective and reliable solution for protecting both AC and DC systems.

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