3404.0045.22

Series:	OMF 125
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Fuse Type:	Board Mount (Cartridge Style Excluded)
Current Rating:	500mA
Voltage Rating - AC:	125V
Voltage Rating - DC:	125V
Response Time:	Fast
Package / Case:	2-SMD, J-Lead
Mounting Type:	Surface Mount
Breaking Capacity @ Rated Voltage:	100A
Melting I²t:	0.01
Approvals:	cURus
Operating Temperature:	-55°C ~ 125°C
Color:	--
Size / Dimension:	0.291" L x 0.122" W x 0.102" H (7.40mm x 3.10mm x 2.60mm)

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Introduction

Fuses are electrical protection devices designed to protect people and property from excessive current flows. The device interrupts an electrical circuit if the current exceeds a predetermined value that could cause damage to the protected component or system. This article will focus on the 3404.0045.22 application field and working principle.

3404.0045.22 Application Field

The 3404.0045.22 is primarily used in the protection of electronic circuit boards and components from electrical overcurrents. It is a small, compact, and lightweight fuse which operates with high current interrupting capability and extremely fast response time. The 3404.0045.22 is designed for use in low-voltage AC and DC applications. Typical applications of the 3404.0045.22 include but are not limited to:

• Computer circuit boards
• Television sets and audio equipment
• Industrial machinery
• Automotive systems
• Office equipment

3404.0045.22 Working Principle

The 3404.0045.22 operates by detecting electrical overcurrent and interrupting the current flow. It is composed of a metal strip or wire that melts when a predetermined amount of current is exceeded. The melting of the metal strip or wire causes an electrical contact to break, thus interrupting the current flow.The 3404.0045.22 has a short-circuit current rating (SCCR) of up to 10kA. This indicates its ability to safely interrupt currents of up to 10,000 amperes. The SCCR of the fuse is determined by its length and the melting characteristics of its metal strip or wire.The 3404.0045.22 also features a fast response time and high interrupting capability. This ensures that the fuse does not need to also act as a fault current limiter, since it can safely interrupt the current before it causes any damage.

Conclusion

The 3404.0045.22 is a fusible device designed to protect electronic circuit boards and components from excessive current flows. Its short-circuit current rating (SCCR) is up to 10kA, and its response time and interrupting capability are both high. This makes it an ideal protection device for low-voltage AC and DC applications.

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