SMD100-2

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PTC Resettable Fuses are widely used and reliable electronic overcurrent protection devices. SMD100-2 is a highly versatile, self-resetting overcurrent protection device that is designed to provide maximum protection and reliability in a variety of applications. It is designed to be extremely robust and reliable and is suitable for a range of circuit protection applications including automotive, consumer electronics, industrial, medical, and military applications. The unique design of the SMD100-2 combines a permanent magnet with a thermal switch to provide reliable, highly-accurate overcurrent protection.

Application Field and Working Principle

The SMD100-2 resettable fuse offers a variety of protection possibilities for a variety of applications including AC/DC line protection, automotive power protection, consumer electronics, HVAC, medical, industrial, military, telecom, and lighting applications. The device is also suitable for heavy duty applications that require high surge capability and reliable overcurrent protection.

The SMD100-2 is an innovative resettable fuse, combining a permanent magnet with a thermal switch. When the current flowing through the device exceeds the specified trip point, the magnet generates a field, which reduces the current in the thermal switch and causes it to heat up. When the temperature of the thermal switch exceeds a preset trip point, an electromechanical switch is activated, which causes a irreversible release of the magnets as the switch opens. This opens the fuse, removing power from the protected circuit and providing overcurrent protection.

Once the overcurrent condition has been cleared, the device cools down and the reset process begins. The integrated permanent magnet returns the switch to its closed position, allowing power to be re-applied to the protected circuit. The SMD100-2 is designed to provide precise current protection and is self-resetting up to 42A.

The SMD100-2 can be used in a variety of applications to provide reliable overcurrent protection for both AC and DC circuits. It is designed with a built in permanent magnet which eliminates the need for an additional external magnetic field. This provides a compact, reliable and cost effective solution for overcurrent protection.

The SMD100-2 is also designed with a fail-safe mechanism which ensures that the protected circuit will remain open during an overcurrent event. This prevents any potential damage that could be caused by an overload or short circuit.

The SMD100-2 is a highly reliable and efficient device that can provide reliable and accurate overcurrent protection in a wide range of applications. Its simple design and highly efficient operation make it an ideal choice for protecting a variety of circuits.

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