MF-LR190

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PTC Resettable Fuses are used in a variety of applications, one of which is the MF-LR190. This model is designed to provide protection for personal electronics in the event of a power surge or overload. In essence, the MF-LR190 acts as a circuit breaker which shuts off the power supply to the affected circuit in order to prevent damage to sensitive components. Here, we will discuss the application field and working principle of the MF-LR190.

The MF-LR190 is designed for use in personal electronics such as computers, televisions, audio equipment, and other consumer devices. It is capable of providing protection against short circuits, overcurrent protection, and over-voltage protection. Additionally, the MF-LR190 works as a fail-safe device, meaning that in the event of a fault or over-current, it will actively disconnect the circuit to help prevent further damage.

The working principle of the MF-LR190 is based on the use of a Polymer Positive Temperature Coefficient (PPTC) Resettable Fuse. These are special devices which offer a one-time protection from current or voltage overloads. When the current draw reaches a certain point, the PPTC Resettable Fuse will trip and disconnect the circuit, protecting the equipment from damage. Once the fault has been cleared or the voltage has decreased to a safe level, the device will reset itself and the circuit can be reconnected.

In terms of design, the MF-LR190 has a slim profile that is ideal for use in tight spaces. It features an overvoltage protection rating of 330V AC, an overcurrent protection rating of 4A, and a power dissipation rating of 1.41W. Additionally, the device has a low response time of less than 100ms, making it suitable for applications where fast-acting protection is required.

Aside from its use in personal electronic equipment, the MF-LR190 can be used in a variety of industrial applications. It is often used in process control and automation systems, telecommunication systems, renewable energy sources, and power systems. In addition, it can be used in the automotive sector, helping to protect vehicle components from sudden power surges or current overloads.

To conclude, the MF-LR190 is a high-performance PPTC Resettable Fuse which is used in a variety of applications. It offers protection against short circuits, overcurrent and over-voltage protection, and is capable of resetting itself after a fault has been cleared. The device has a slim profile and is suitable for use in tight spaces, making it a great choice for a wide range of applications.

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