RUSBF075

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PTC Resettable Fuses are one of the most popular safety solutions used to protect high powered circuits. The RUSBF075 is one of the most widely used PTC Resettable Fuses and its use can be seen in a range of applications and industries. This article aims to provide an in-depth look at the RUSBF075 and its application fields, working principle, and its advantages and limitations.

Application Fields

The RUSBF075 can be used in a wide range of applications including Telecommunications, Audio-Visual Equipment, Computer and Server Co-location, Robotics, Industrial Automation, Aerospace, Automotive, Energy and Lighting, and Medical Equipment, to name a few. It can also be used in Electrical Safety products like MCBs, RCBOs, and RCDs.

The RUSBF075 is a robust and reliable PTC Resettable Fuse that can be used in a wide range of applications including in industrial, commercial, and residential installations. Its low-power characteristics and high temperature withstand capability make it an ideal choice for applications such as protecting electrical circuits, portable electronic devices, lighting systems, voltage regulators, and battery chargers.

Working Principle

The RUSBF075 is a PTC, or Positive Temperature Coefficient Resettable Fuse. It is composed of two heating elements that are connected in series and separated by a dielectric film. When the current passes through the heating elements, the dielectric film heats up, increasing its resistance. The increase in resistance causes the current to be limited to an amount where it no longer causes any damage or interference to the electronic device in use.

The RUSBF075 has a trip point of 0.75 Amps and its resetting limits go up to 1.5 Amps. The fuse is constructed with high temperature withstand capability and is UL and CUL recognized. The components of the fuse have a low-power characteristic that enables safe and reliable operation even in high temperature environments.

Advantages & Limitations

The main advantage of using the RUSBF075 PTC Resettable Fuse is its ability to provide effective and efficient protection against electrical faults. As the resetting process for the RUSBF075 occurs automatically, it saves time and resources in the event of any electrical malfunction. Furthermore, the RUSBF075 is a robust and reliable PTC Resettable Fuse that can be used in a wide range of applications.

The main limitation of the RUSBF075 is its current limitation. The current limitation of the RUSBF075 is 0.75 Amps, which means that it is not suitable for applications that require a higher current rating. Additionally, the fuse is not as resistant to high temperatures as some other PTC Resettable Fuses, and as such, should not be used in high temperature applications.

Conclusion

The RUSBF075 PTC Resettable Fuse is a reliable and cost-effective safety solution that is suitable for a wide range of applications. Its low-power characteristics and high temperature withstand capability make it an ideal choice for protecting electrical circuits, portable electronic devices, lighting systems, voltage regulators, and battery chargers. The main limitation of the RUSBF075 is its current limitation, and it should not be used in applications that require a higher current rating.

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