MF-NSMF020-2 Circuit Protection

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PTC Resettable Fuses are a type of fuse used in a wide variety of different electronic and electrical appliances. The MF-NSMF020-2 is a PTC Resettable Fuse with a wealth of applications. In this article, we’ll go over the different applications of the MF-NSMF020-2 and its working principle.

The MF-NSMF020-2 PTC resettable fuse tailors to a wide range of applications. It is typically used as protection against short circuits, over-currents, overcharging, and over-heating in automotive and consumer electronics, such as car batteries, mobile charge controllers, and solar cell panels. It is also used on PCBs in industrial electrical equipment, power supplies, and power converters.

Furthermore, the MF-NSMF020-2 provides reliable protection to circuit boards in machinery, computers, data centers, and other related products. This fuse is also able to protect and relieve a system of fault currents and over-voltage events.

The unique operating characteristics of the MF-NSMF020-2 make it a suitable resettable fuse for various sorts of electronic systems, such as automotive charging circuits, device chargers, and solar panels. It offers low power consumption and high current protection without the need for frequent replacement.

The MF-NSMF020-2 works through the implementation of a bi-stable thermostat. The trip current and reset current are 59 milliamps and 1.75 milliamps, respectively. Its resistance can range from 0.111 Ohms up to 0.206 Ohms.

Upon contact with an over-current event, the temperature of the PTC fuse increases since the current flows through its two metal plates. This increase in temperature causes the bi-stable thermostat to open, which, in turn, switches off the circuit.

The temperature differential also makes the reset trigger switch, thereby interrupting the circuit. As the temperature drops, the trigger switches back on, and the circuit is reset.

The MF-NSMF020-2 shoulders a heavy responsibility in the electrical and electronic circuits, and it can be counted on to cut off high-current overloads and reset low-current signals. Its operating temperature range is from -40°C to 105°C.

In conclusion, the MF-NSMF020-2 PTC Resettable Fuse offers a multitude of applications and is a reliable protective device for several types of electrical and electronic circuits. Its bi-stable thermostat design and low trip and reset current thresholds allow it to provide reliable protection to the connected circuit boards.

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