0318004.H

Series:	318
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Fuse Type:	Cartridge, Glass
Current Rating:	4A
Voltage Rating - AC:	250V
Response Time:	Fast
Package / Case:	3AB, 3AG, 1/4" x 1-1/4" (Axial)
Mounting Type:	Through Hole
Breaking Capacity @ Rated Voltage:	35A
Melting I²t:	28.5
Approvals:	CSA, UL
Operating Temperature:	--
Color:	--
Size / Dimension:	0.275" Dia x 1.288" L (6.99mm x 32.72mm)
DC Cold Resistance:	0.0291 Ohms

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Fuses

Fuses can be found in almost every power distribution system, from the smallest electronic circuit to the largest industrial and electrical systems. They serve as a vital link in the power distribution, providing protection to circuits and components from over-currents or electrical shorts. The 0318004.H is a small yet powerful fuse with versatile applications in electrical and electronic circuits.

Applications

The 0318004.H is a 1/2" x 2" cylindrical type fuse with a 200 volt UL rating for general purpose applications. It is suitable for use in various applications including power supply voltage regulators, standby power systems, electric motor control circuits, air conditioners, circuit breakers, household appliances, and many more. It can also be used for various automotive electrical systems and home audio or video systems.

Working Principle

Fuses are designed to provide over-current protection to electrical systems, by breaking the circuit when excessive current or excessive heat is present. This is done using a fuse element, which is a very thin strip of metal that connects two metal terminals. The fuse element is designed to melt and separate the connection between the two terminals when there is an excess of current, preventing any further current flow.When the current level exceeds the maximum controlled by the fuse element, the fuse will heat up and melt. This will cause a break in the circuit, effectively stopping the electrical flow, and protecting the circuit from further damage. This melting of the element will also create an "open" in the circuit, which dictates the drop in current and voltage.

Safety

When installing a fuse, it is important to use the correct fuse model and size for your application. A fuse that is too small for the application can cause the fuse to melt and open the circuit too quickly, preventing the circuit from functioning properly. Likewise, using a fuse that is too large for the application can cause the fuse to not break the circuit in the event of a large overload, potentially causing damage to the circuit and components. Also, fuse elements should be inspected regularly to ensure that they are maintained and in good condition. This prevents any accidental shorts due to the buildup of oxidation or other contaminants on the connections.

Conclusion

The 0318004.H is a small yet powerful fuse ideal for use in various application, ranging from consumer electronics to automotive systems. It provides reliable over-current protection for a variety of applications, and with proper maintenance, it can provide many years of trouble-free service. Although it is a small component, the 0318004.H can provide vital circuit protection, making it an important component of any power system.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description