MF-LSMF185/33X-2 Circuit Protection

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PTC performance resettable fuses, also known as Polymer Improved Protection Circuit Devices (PPTCs) or poly fuses, are a type of resettable fuse that provide short circuit protection for electronic components or circuits. MF-LSMF185/33X-2 PTC resettable fuses offer unique advantages over traditional fuse types for areas such as over temperature protection. The combination of high current, low voltage current interruption, low thermal resistance, long life and low cost offers an improved level of protection.

The MF-LSMF185/33X-2 PTC resettable fuse can be used to help protect circuits and components from over current conditions in a wide variety of applications, including consumer electronics, power electronics, personal computers and networking, automotive, back-up systems, IoT, wearables and more. The MF-LSMF185/33X-2 PTC resettable fuse is an ideal solution for protecting circuits from excessive heat by cutting off the current when a pre-determined temperature is reached, preventing costly damage to the circuit or components.

The MF-LSMF185/33X-2 PTC resettable fuse features a unique two-stage design which is advantageous for many current-limited applications. In the first stage, the PTC operates as a thermally sensitive, self-resettable fuse. In the second stage, it operates as a constant rearm override. This second stage is designed to further reduce temperature rise and extend time-to-failure. This is particularly beneficial for applications where multiple over-current events may occur or prolonged currents are anticipated.

In terms of working principle, the MF-LSMF185/33X-2 PTC resettable fuse utilizes a series of components including a sensing element, a thermal switch, and a trigger component. The sensing element is designed to detect an over-current condition, while the thermal switch is designed to open when the current exceeds the maximum rated current of the fuse. A trigger component is then used to reset the fuse when the over-current condition has been remedied.

The MF-LSMF185/33X-2 PTC resettable fuse also has a wide operating temperature range and is ideal for use in high-temperature environments. It has a very low self-heating characteristic and low-cost design, making it suitable for many applications. Furthermore, it offers superior reliability and durability compared to other fuse types.

The MF-LSMF185/33X-2 PTC resettable fuse is a highly reliable, cost-effective solution for over-current protection applications. Its unique two-stage design and low-temperature self-heating characteristic make it an ideal choice for applications requiring reliable and safe over-current protection.

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