RUSBF185-AP Circuit Protection

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PTC Resettable Fuses are commonly used to protect electrical circuits and the devices in those circuits from excess current flowing through them and damaging them. The RUSBF185-AP is a self-reset PTC fuse that is used to provide efficient over-current and overload protection for a wide variety of applications.

The RUSBF185-AP is an ideal fit for a broad range of over-current and over-load protection applications, such as automotive, consumer electronics, telecommunications, power supplies, rechargeable battery packs, motor protection and more.The RUSBF185-AP operates over a voltage range of 6V~ 25V and features a current rating of 18A, to ensure reliable fuse operation and protection.

The RUSBF185-AP features a positive temperature coefficient (PTC) thermally-sensitive device that monitors current flow through a circuit, and when the current flow exceeds a certain level, the PTC element heats up and turns the semiconductor off, thereby limiting the current flow.Once the current goes back to an acceptable level, the PTC element cools down and allows the current to flow again. This self-resetting function makes the RUSBF185-AP an ideal solution for temporary over-current/over-load protection.

The PTC element used in the RUSBF185-AP is designed with a low thermal resistance and low self-heating rate that helps keep its temperature stable even during long-term operation. Additionally, the RUSBF185-AP features a temperature compensation mechanism to maintain its performance over a wide operating temperature range.

The RUSBF185-AP also offers a wide variety of protective functions including current limiting, over-voltage protection, over-temperature protection, over-current protection, and reverse polarity protection.All these functions are built into the fuse, so no additional external circuit components are required. Additionally, the RUSBF185-AP comes in a variety of package sizes, from very small SOT23 to larger 88-ball packages, so it can be used in a variety of applications.

The RUSBF185-AP has been designed to provide an enhanced over-current and overload protection solution while also meeting stringent electrical safety standards. In addition, the RUSBF185-AP has been designed to offer optimal performance, reliability, and efficiency, making it an ideal choice for a variety of applications.

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