CMF-SM15-2

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PTC Resettable Fuses are widely used in industrial and consumer applications where it is imperative they reset themselves after being tripped. The CMF-SM15-2 is an advanced type of PTC Resettable Fuses and is designed to provide efficient, high current protection from overloads and short circuits. This article will discuss the application field and working principle of the CMF-SM15-2.

The CMF-SM15-2 is well suited for use in a range of industrial applications, from motor control systems, solar power systems, automotive systems, and home appliance controllers. It is a reliable and cost-effective solution for protecting circuit board components from over-currents, and is widely used as an alternative to circuit breakers or fuses in a variety of applications. The CMF-SM15-2 is capable of protecting direct current circuits in a range of up to 2.0A and 110 V.

The working principle of the CMF-SM15-2 is based on a thermally activated element, often referred to as a “positive temperature coefficient (PTC)” resistor. As the current flowing through the PTC resistor increases, the temperature of the PTC will increase, and as the temperature increases, so too will the resistance. When the current passing through the PTC exceeds a certain threshold, the device will trip, cutting off the power to the load and protecting the circuit.

Once the CMF-SM15-2 trips, it can be reset by simply pressing the reset button. The reset button can also be used to manually trip the circuit if necessary. The CMF-SM15-2 features a variety of reset options, including test activation, circuit breaker reset, and manual reset. It is available in both surface- and panel-mounting configurations.

The CMF-SM15-2 is also UL listed and is rated to UL 94V-0 for flammability. Additionally, the device is RoHS compliant and meets other applicable safety standards. The CMF-SM15-2 is available in a variety of current ratings and packages, allowing it to be used in a variety of applications.

The CMF-SM15-2 is a reliable and versatile PTC Resettable Fuse that is well suited for use in a variety of industrial and consumer applications. By utilizing a thermally activated element, the device can provide efficient and reliable current protection from overloads and short circuits. The various reset options, UL 94V-0 rating, and RoHS compliance make it a cost-effective solution for protecting circuit board components from over-currents.

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