39705000000

Package / Case:	Radial, Box
DC Cold Resistance:	0.34237 Ohms
Size / Dimension:	0.335" L x 0.157" W x 0.315" H (8.50mm x 4.00mm x 8.00mm)
Color:	--
Operating Temperature:	-40°C ~ 85°C
Approvals:	cUL, UL
Melting I²t:	0.79
Breaking Capacity @ Rated Voltage:	50A
Mounting Type:	Through Hole
Series:	TE5® 397
Response Time:	Slow
Voltage Rating - AC:	125V
Current Rating:	500mA
Fuse Type:	Board Mount (Cartridge Style Excluded)
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Introduction

Fuses are safety devices used to protect circuits, machines and equipment from overcurrent or short circuits. They fail to open when the current in the circuit exceeds the rated value of the fuse. Fuse 39705000000 can be found in many applications, and its working principle differs depending on the type of fuse.

Types of Fuses

Fuse 39705000000 is available in several types that serve different purposes in various applications. A few of the common types are:

• Cartridge Fuses: These are cylindrical fuses used mainly for AC circuits. The wire used for fusing is coiled inside an insulated tube to form a compact cartridge. During an overcurrent condition, the fuse wire melts and interrupts the circuit.
• Time Delay Fuses: These fuses are specially designed to delay the interruption of the circuit in case of overload, short circuit or other emergency electrical conditions. Unlike other types, these fuses offer protection to the circuits until the fault is rectified.
• High Voltage Fuses: High voltage fuses are generally used in circuits with high voltage levels to ensure similar levels of protection. Due to their specialized design, these fuses are highly sensitive to overcurrent events and interrupt the circuit quickly in such cases.

Application Fields of 39705000000 Fuses

Fuse 39705000000 can be found in a number of applications. These include:

• Industrial Applications: The fuse is commonly used in the industrial sector, especially in the manufacturing of electronic goods. It is also used in electric motors, computer systems, and other machinery that require overload protection.
• Home Appliances: Fuse 39705000000 is also used in home appliances, such as refrigerators, ovens, washing machines, and other electric devices. It helps to protect the circuits in these devices from overloading or short-circuiting.
• Automotive Industry: The fuse is used in the automotive industry, especially in cars. In this application, it helps to protect the car\'s electrical components from overloading, short-circuiting, and other catastrophic events.

Working Principle of 39705000000 Fuse

The working principle of fuse 39705000000 differs according to the type of fuse used. Generally, the fuse works by interrupting the circuit when the current level exceeds the rated value.

• Cartridge Fuses: These fuses are designed to quickly interrupt the circuit in case of overcurrent or short-circuit. When the current goes beyond the rated value, the fuse wire melts and breaks the circuit.
• Time Delay Fuses: Time delay fuses also interrupt the circuit in case of overcurrent or short-circuit. However, they are designed to delay the interruption for an adjustable period of time. This gives the circuit time to reset or for the fault to be rectified.
• High Voltage Fuses: High voltage fuses are specially designed for use in high voltage circuits. The fuse is highly sensitive to overcurrent events and will quickly interrupt the circuit when the current levels reach a predetermined value.

Conclusion

Fuse 39705000000 is an important safety device used in a variety of applications. It is available in various types, each designed for a specific application and with different working principles. While all types are designed to protect circuits and components, the working principle of each differs based on the type and application.

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