0160003.MR Circuit Protection

Package / Case:	2-SMD, Square End Block with Clip
DC Cold Resistance:	0.0276 Ohms
Size / Dimension:	0.429" L x 0.189" W x 0.189" H (10.90mm x 4.80mm x 4.80mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	cULus
Melting I²t:	59.29
Breaking Capacity @ Rated Voltage:	50A
Mounting Type:	Holder, Surface Mount
Series:	NANO²® 160
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	3A
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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Introduction

A device known as a fuses can be used to protect electrical apparatus from damage or destruction. The MR range of fuses has proven to be a highly effective and reliable form of protection for the majority of applications. Based on their form factor, the fuses can be divided into a few different categories, with each type being suited to a particularly area of use. This article looks into the application fields and working principle of MR fuses, and provides some tips on when to use them.

Application Fields

MR fuses are commonly used in a variety of different electrical systems. They are suitable to act as protection against short-circuits and power surges, and as such are often found in household appliances, motor control systems, and in many industrial equipment. MR fuses are also able to provide over-current protection, which can be used to guard against equipment overloads. In electronic systems, they are commonly employed to help protect against potentially damaging power transients.

Working Principle

The working principle behind MR fuses is relatively simple. They are designed using a heat responsive link which, when current flows through it, begins to generate heat. As the heat is produced, a metal strip within the device melts, causing a disconnection in the circuit.In order to function effectively, the temperature produced within the device must be within an acceptable range. Too much heat will cause the device to act too quickly, and too little will not provide reliable protection. MR fuses are designed to have a melting temperature which is dependent on the current passing through the device. This ensures that the protection provided is of a consistent and reliable level.

Particular Areas Of Use

Due to their design, MR fuses are particularly effective when used in applications which require a degree of flexibility. They have the ability to detect a range of current levels, meaning that they can provide effective protection for even low current systems. They offer a degree of protection that can be customised to the specific requirements of the system.MR fuses are regularly used in audio and video systems, as well as in data transmission networks. They can be used to provide effective protection against electrical interference which can cause damage to sensitive components. They are also an excellent choice for protecting against over-current scenarios which can often occur during the operation of multimedia systems.

Conclusion

MR fuses are a reliable form of electrical protection and are highly effective in a range of situations. They are easy to install and maintain, and are capable of providing a customised level of protection which can be adjusted to meet the specific requirements of the system. With their ability to provide protection for both high and low current applications, they are an ideal choice for many electrical applications.

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