3404.0018.11

Response Time:	Fast
Size / Dimension:	0.291" L x 0.122" W x 0.102" H (7.40mm x 3.10mm x 2.60mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	cURus
Melting I²t:	14
Breaking Capacity @ Rated Voltage:	100A
Mounting Type:	Surface Mount
Package / Case:	2-SMD, J-Lead
Series:	OMF 125
Voltage Rating - DC:	125V
Voltage Rating - AC:	125V
Current Rating:	6.3A
Fuse Type:	Board Mount (Cartridge Style Excluded)
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Fuses: 3404.0018.11 Application Field and Working Principle

Fuses, represented by the product code3404.0018.11, are elements used as protection and safety devices in electrical appliances and systems and have a wide range of application fields. This article will provide an overview of the application field and working principle of 3404.0018.11 series rope-shaped fuses.

Application Field of 3404.0018.11 Series Rope-Shaped Fuses

The 3404.0018.11 series rope-shaped fuses are mainly used in the fields of power plants, national research institutes, industry, air-conditioners, refrigerators, medical equipment, automobiles and street lamps. In power plants, the 3404.0018.11 series are mainly used for main transformer fuse protection, secondary line fuse protection, and short-circuit protection. The application of the 3404.0018.11 series in power plants can effectively prevent equipment failures and protect the safety of personnel.In national research institutes, the 3404.0018.11 series are used as the fuse of the welding power supply of the laboratory. During the welding process, if an overload occurs, the fuse can quickly cut off the circuit and thus ensure the safety of the equipment and personnel. In industry, the 3404.0018.11 series are mainly used as automatic protection devices for various mechanical production lines. The 3404.0018.11 series are also used as motors and other equipment’s start-up protection device, current overload and short-circuit protection device.In air-conditioners, refrigerators, and other electrical home appliances, the 3404.0018.11 series are used as the start-up protection device, current overload and short-circuit protection device, and anti-condensation equipment.In medical equipment, the 3404.0018.11 series are commonly used as line fuse protection devices for X-ray machines, CT machines, and other equipment used in medical examination and treatment.In automobiles, the 3404.0018.11 series are used as the start-up protection device, current overload and short-circuit protection device, and anti-condensation protection device. Finally, in street lamps, the 3404.0018.11 series are mainly used for the street lamp line fuse protection, anti-condensation protection and short-circuit protection.

Working Principle of 3404.0018.11 Series Rope-Shaped Fuses

3404.0018.11 series rope-shaped fuses are mainly composed of fuse elements and external protection tubes. The fuse element is an alloy wire with a predetermined diameter and material, and the material selected to form the external protection tube.When the fault current flows through the 3404.0018.11 series, the fuse element will heat up, melt, and interrupt the current. The current of the fuse element increases in proportion to the square of the current that flows through it. The resistance of the fuse element exceeds the minimum melting point required to fuse the fuse element at a certain current. Due to the quick melting of the fuse element, a relatively stable arc will be generated on the surface of the fuse element, which can reduce the amount of fault current that continues to run in the circuit. This behavior protects the circuit and other electrical components from the potential danger of a short circuit.

Conclusion

3404.0018.11 series rope-shaped fuses are commonly used protection and safety devices in various electrical appliances and systems, with a wide range of application fields. The 3404.0018.11 series are mainly composed of fuse elements and external protection tubes, and its working principle is that the fuse element will heat up, melt, and interrupt the current when fault current flows through it. By understanding the application field and working principle of 3404.0018.11 series rope-shaped fuses, we can make full and effective use of the fuses to ensure the safe running of various electrical appliances and systems.

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