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Fuses

A fuse is an electrical device designed to protect electrical circuits from over-currents or short circuits. There are two main categories of fuses, fast-blow fuses and slow-blow fuses, and there are several types of these fuses. This article will focus on 0473.750VXL, which is a slow-blow fuse used for applications that require a low current rating, such as in consumer electronics.

0473.750VXL Application Field and Working Principle

The 0473.750VXL fuse is designed for use in low voltage DC circuits. It is a slow-blow fuse, meaning that it is more tolerant of instant higher currents than a fast or regular blow fuse. It is also very small, making it suitable for applications where space is limited. This includes consumer electronics, such as cell phones, laptop computers, and televisions.

The working principle of a fuse is fairly simple. It contains a small strip of metal, known as a fuse element, which is connected at one end to an external circuit. When the current in the circuit exceeds the rated value of the fuse, the metal strip melts, breaking the circuit and effectively protecting it from further damage. The fuse element is chosen according to the maximum current that can safely flow through the circuit it is protecting.

The 0473.750VXL is a slow-blow fuse with a maximum continuous current rating of 0.75A, making it suitable for applications where the current load is expected to fluctuate. It also has a high overload rating of 2.25A, allowing for a brief higher current to pass through the fuse without damaging it.

The 0473.750VXL fuse is UL and CSA approved, making it suitable for use in a wide variety of applications. It also features a polymeric body with high temperature and dielectric strength, making it more resistant to shock, vibration, and moisture.

Conclusion

The 0473.750VXL is a slow-blow fuse designed for use in low voltage DC circuits. It has a maximum continuous current rating of 0.75A and a high overload rating of 2.25A, making it suitable for applications that require a low current rating. It is UL and CSA approved and features a polymeric body with high temperature and dielectric strength, making it more resistant to shock, vibration, and moisture.

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