CMF-SM25-2

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PTC resettable fuses are an important component of many electronic circuits. They are used to protect sensitive components from damage by excessive current. The CMF-SM25-2 is a type of PTC resettable fuse, and it has a wide variety of applications. In this article, we’ll discuss the CMF-SM25-2 application field and working principle.

Application fields for the CMF-SM25-2

The CMF-SM25-2 has a wide range of applications. It is typically used in portable electronic devices such as cell phones, tablets, and audio players. It is also commonly used in automotive and industrial applications. In addition to providing circuit protection, the CMF-SM25-2 can also be used as a current limiting device in applications that require a low current limit.

The CMF-SM25-2 can also be used to protect sensitive components or power circuits from voltage surges or overcurrent. It is also suitable for overdecoupling and low current limit applications in power supplies.

Working principle

The CMF-SM25-2 is a PTC resettable fuse which works on the principle of positive temperature coefficient. When the PTC fuse is connected to the circuit, it acts as a normally closed switch. When the current flowing through the circuit exceeds the rated value, the PTC fuse heats up and contracts, causing the switch to open. This interrupts the flow of current and the device is effectively disconnected from the circuit.

The PTC fuse remains open until it cools down and moves back to its original position. This process is repeated every time the current exceeds the rated value. This ensures that the circuit and its components are protected from damage.

Conclusion

The CMF-SM25-2 is a type of PTC resettable fuse that is used in a variety of applications. It can be used to provide circuit protection by interrupting the flow of current when the current exceeds the rated value. It can also be used as a current limiting device in applications that require a low current limit. Thanks to its robust construction and reliable operation, the CMF-SM25-2 is an ideal solution for a number of applications.

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