39211000440

Package / Case:	Radial, Box
DC Cold Resistance:	0.0715 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 ~ 125°C
Approvals:	CQC, cULus, KC, PSE/JET, SEMKO, VDE
Melting I²t:	5.8
Breaking Capacity @ Rated Voltage:	25A
Mounting Type:	Through Hole
Series:	TE5® 392
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	1A
Fuse Type:	Board Mount (Cartridge Style Excluded)
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Fuses, a widely used electrical protection device, often appear in the industrial production process and have the capacity to protect devices from short-circuit, overload, and other potential damage. 39211000440 fuses are an important type of industrial fuse, which is characterized by a small size, low cost, and good electrical properties, and is widely used in many electrical security applications. In this article, we will discuss the applications and working principles of 39211000440 fuses in depth.

Application Fields of 39211000440 Fuses

39211000440 fuses are designed for a wide variety of applications. With its superior electrical and mechanical properties, these fuses can be used in applications such as lighting circuits, motor controls, emergency power systems, power supplies, and uninterruptible power systems. These fuses offer a high level of protection in these applications, as they can withstand high currents and provide reliable overcurrent protection.In addition to their use in industrial applications, 39211000440 fuses can also be used in consumer electronics. They can be used in portable electronic devices such as cell phones, laptops, and tablets for protection against overcurrents. Additionally, these fuses can be used in household appliances such as air conditioners, refrigerators, and microwaves, as well as power strips and other power outlets, where they can protect both the device and the user from electrical shocks and short circuits.

Working Principles of 39211000440 Fuses

The working principle of 39211000440 fuses is based on an overcurrent protection mechanism. A metal strip, usually made of tinned copper, is placed between two metal electrodes. When the current in the circuit exceeds the static current setpoint of the fuse, the metal strip melts and separates the two electrodes, thus opening the circuit and preventing any further flow of current. This protects the device from damage due to short-circuits, overloads, and other electrical abnormalities.In addition to overcurrent protection, 39211000440 fuses also provide protection against electrical shock. This is done by the incorporation of a metal barrier between the two electrodes in order to prevent direct contact between the user and the live part of the device. In this way, the fuse provides a safety measure for both equipment and personnel.

Conclusion

In summary, 39211000440 fuses are a highly versatile and reliable electrical protection device. They can be used in a wide variety of applications, from consumer electronics to power supplies and motors, providing reliable protection for both equipment and personnel. The device works by relying on an overcurrent protection mechanism, which works by separating the two electrodes when the current reaches a set threshold. This provides protection from short-circuits and overloads, and can also prevent electrical shocks.

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