16R160BPR

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PTC Resettable Fuses are an increasingly popular technology, thanks to their wide range of applications and the convenience they bring to everyday life. The 16R160BPR is an example of these resettable fuses and we will look at its intended application field and working principle.

Intended Application Field

The 16R160BPR is a high-current surface mount fuse and is ideal for current load need in excess of 1A. It has a variety of applications in many different technical fields, such as:

• Automotive electronics, including starter systems, airbag modules control units, central locking and electric power steering
• Industrial electronic equipment, particularly in safety-critical systems
• Lighting in electronic equipment
• Smart homes and other applications in domestic settings

Its versatility makes it a much in-demand choice and it is widely used, especially in industrial and automotive settings.

Working Principle

The 16R160BPR works by activating a bimetallic strip when the current reaches a level specified by the customer. When this happens, the bimetallic strip bends and activates a temperature sensor located in the center of the fuse. This increases the temperature of the fuse to a level near to melting, and releases a resistor within the fuse. This immediately reduces the current and the heat energy, which triggers the reset mechanism. The bimetallic strip then relaxes and slowly recovers.

This resettable feature is one of the main selling points of PTC resettable fuses. By resetting after a power surge, they can protect the system from further damage. This means that more expensive and time-consuming repairs are avoided and users don\'t have to worry about buying and replacing an entirely new fuse.

The 16R160BPR also features a unique ‘blocking and release’ system which uses a silicone shield that blocks the release of the resistor. When the specified current is exceeded, the shield melts away, releasing the resistor which reduces the current. This blocking and release system provides an extra level of protection which makes the fuse more reliable in damage-sensitive applications.

Conclusion

The 16R160BPR resettable fuse is small and low-profile, providing excellent versatility and reliability in many applications. This versatile fuse has applications in automotive, industrial, lighting and even domestic settings. Its effective blocking and release system make it particularly useful in safety-critical systems. Thanks to its resettable feature and its current limiting function, the 16R160BPR is an ideal choice for current needs in excess of 1A.

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