RXEF185K-0.167

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PTC Resettable Fuses are an important class of engineering components, with a wide variety of applications in the electrical, electro-mechanical, and hydraulic industries. In particular, the RXEF185K-0.167 PTC Resettable Fuse is a versatile component that can be used in automotive, industrial, and aviation applications. This article will discuss the application fields and working principles of this device.

Application Fields of RXEF185K-0.167

The RXEF185K-0.167 is a cylindrical, unvented, and black eutectic engineering plastic material, with a temperature range of 105°C to 110°C. This makes it an ideal choice for applications that require precise temperature regulation, such as circuits that are protected from overheating. Furthermore, this device is able to withstand up to 30 amps of current, making it suitable for use in high current applications such as automotive and aviation products. It is also resistant to thermal shock and moisture ingress, making it suitable for long-term outdoor use.

This PTC Resettable Fuse is also suitable for safety applications, as it can effectively prevent electric shock. It also has a wide operating voltage range of 6-14 VDC, making it suitable for a wide range of circuits. Additionally, its low operating temperature means that it is suitable for use in many industrial and consumer applications.

Working Principle of RXEF185K-0.167

The working principle of the RXEF185K-0.167 PTC Resettable Fuse is based on the behavior of a temperature sensing polymer disc. This disc is composed of a polymeric material that expands when heated, causing an increase in its electrical resistance. When the current through this device exceeds a specified maximum, the temperature of the disc increases, causing the resistance to increase further. This in turn causes the current to drop and the temperature to decrease, which then causes the resistance to drop and the current to increase again. This process continues until the current is reduced to a safe level, at which point it is reset and the cycle begins again.

The primary benefit of this working principle is the ability to provide protection from electrical overload without the use of fuses or circuit breakers. This reduces the overall complexity of a circuit, as fewer components are needed. Furthermore, because this device operates with a temperature sensing element, it can provide effective protection even in the presence of severe temperatures or power surges. Finally, the device is able to detect faults quickly and reset itself automatically, making it a reliable and cost-effective solution.

Conclusion

In conclusion, the RXEF185K-0.167 PTC Resettable Fuse is a versatile device that can be used in a variety of applications, ranging from automotive to industrial and safety applications. Its ability to withstand high current makes it suitable for use in those applications, as well as its low operating temperature and ability to protect against electrical overload without the use of fuses or circuit breakers. In addition, its temperature sensing element allows for quick detection of faults and automatic resetting of the device.

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