0448.375MR

Response Time:	Fast
DC Cold Resistance:	0.73 Ohms
Size / Dimension:	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CSA, UL
Melting I²t:	0.024
Breaking Capacity @ Rated Voltage:	50A
Mounting Type:	Surface Mount
Package / Case:	2-SMD, Square End Block
Series:	NANO²® 448
Voltage Rating - DC:	125V
Voltage Rating - AC:	125V
Current Rating:	375mA
Fuse Type:	Board Mount (Cartridge Style Excluded)
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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0448.375MR Fuses

Fuses are an integral component of electrical systems. They provide a way to safely control high levels of current and prevent overcurrents that can cause damage to electrical components, as well as to people working with them. 0448.375MR fuses are an example of a type of fuse designed for low voltage and current applications, such as audio/visual, instrumentation, and medical devices. This article will discuss the application field and working principle of the 0448.375MR fuse.

Applications

The 0448.375MR fuse is designed for use in low voltage applications, such as those found in medical, audio/visual, instrumentation, and other commercial/industrial applications. These fuses are typically small and lightweight, which makes them well-suited for use in tight confines. The 0448.375MR has a current rating of 0.375A, making it suitable for applications that require precise control of current flow.

Working Principle

The working principle of the 0448.375MR fuse can be divided into three parts. First, the fuse contains a metal element, usually a strand of copper wire, which is sealed within a high-temperature-resistant plastic body. This metal element is the fuse\'s only conductor. Second, when current flows through the fuse, it causes the metal element to heat up. If the current exceeds the fuse\'s rated amperage, the element will expand, causing it to break and interrupting the current flow. Finally, the high-temperature plastic body of the fuse prevents the metal element from becoming too hot and damaging its surroundings.

Conclusion

The 0448.375MR fuse is a small and lightweight fuse designed for low voltage and current applications. It is well-suited for use in medical, audio/visual, and instrumentation applications, as well as other commercial/industrial applications. The fuse operates on a simple working principle that involves a metal element heating up and expanding when too much current passes through the fuse, thus interrupting current flow. The high-temperature plastic body prevents the metal element from becoming too hot and damaging its surroundings.

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