0678H4000-02 Allicdata Electronics
Allicdata Part #:

507-2246-2-ND

Manufacturer Part#:

0678H4000-02

Price: $ 0.28
Product Category:

Circuit Protection

Manufacturer:
Short Description: FUSE SMT 3912 ENH BRK 250V 4A
More Detail: N/A
DataSheet: 0678H4000-02 datasheet0678H4000-02 Datasheet/PDF
Quantity: 2000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
2000 +: $ 0.25013
4000 +: $ 0.24558
6000 +: $ 0.23649
10000 +: $ 0.22739
Stock 2000Can Ship Immediately
$ 0.28
Specifications
Series: 0678H
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Fuse Type: Board Mount (Cartridge Style Excluded)
Current Rating: 4A
Voltage Rating - AC: 250V
Voltage Rating - DC: 125V
Response Time: --
Package / Case: 2-SMD, Square End Block
Mounting Type: Surface Mount
Breaking Capacity @ Rated Voltage: 300A AC, 2kA DC
Melting I²t: 7.8
Approvals: cURus
Operating Temperature: -55°C ~ 125°C
Color: --
Size / Dimension: 0.386" L x 0.120" W x 0.120" H (9.80mm x 3.05mm x 3.05mm)
DC Cold Resistance: 0.021 Ohms
Description

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

Introduction to 0678H4000-02 Fuses

Fuses are essential in any electrical circuit as they are designed to protect it from too much current, which can cause catastrophic damage. When current exceeds the rated value of an electrical system, the fuse melts and breaks the circuit, preventing overload and protecting the system.

The 0678H4000-02 is a type of fuse used in both low-voltage and high-voltage applications. It is a fast-acting fuse with a rating of 600VAC and up to 400A. It is also UL-listed and RoHS compliant. This makes it suitable for a wide range of applications.

Application Field of 0678H4000-02 Fuses

The 0678H4000-02 fuse is suitable for almost any application where it is necessary to protect against overvoltage. It is commonly used in household appliances, lighting fixtures, industrial equipment, and even geothermal systems. The range of applications for this type of fuse is further extended by its UL listing and RoHS compliance, which make it suitable for use in a variety of international markets.

The 0678H4000-02 is also a great choice for applications where the current is liable to fluctuate as it is designed to open quickly in case of overvoltage, protecting any connected equipment. Furthermore, its relatively high current rating of up to 400A further increases its range of applications.

Working Principle of 0678H4000-02 Fuses

The 0678H4000-02 fuse is a fast-acting fuse that opens quickly in cases of overvoltage. It works by including a metal wire element, known as the fuse element, connected in series with the circuit. This element is designed to melt and open the circuit if the current rises above the maximum rated value. This is done by magnetic force, which is created by the electric current passing through the fuse element, causing a rapid increase in temperature. When the temperature of the element reaches the melting point, the circuit is broken and the protected equipment is safe from further damage.

The 0678H4000-02 fuse is designed to be quick acting so that it can respond quickly to overvoltage conditions. It is also designed to be resistant to current transients, such as those caused by starting and stopping of appliances, thereby providing a more reliable protection.

Conclusion

The 0678H4000-02 fuse is a fast-acting and reliable type of fuse used for protecting equipment from overvoltage. It is suitable for applications ranging from household appliances to geothermal systems, and is UL listed and RoHS compliant. The working principle is based on a metal element that melts when current passes through it, breaking the circuit and protecting the system from further damage.

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

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