0472001.MRT1L Circuit Protection

Response Time:	Slow
DC Cold Resistance:	0.078 Ohms
Size / Dimension:	0.110" Dia x 0.280" L (2.80mm x 7.11mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	UR
Melting I²t:	0.9384
Breaking Capacity @ Rated Voltage:	50A
Mounting Type:	Through Hole
Package / Case:	Axial
Series:	PICO® II 472
Voltage Rating - DC:	125V
Voltage Rating - AC:	125V
Current Rating:	1A
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 to MR Treated Fuses

Fuses play an important role in protecting electrical circuits and systems from excessive current. MR treated fuses, however, are especially designed to provide highly reliable over-current protection. The MR treated fuse series also known as the 0472001 MR1L series, are a blend of two industry-leading technologies: Magnetic Re-settable Arc Interruption, or MARI technology and patented SEMITOP® axial fuse construction.

Features and Benefits of the 0472001 MR1L Fuses

The 0472001 MR1L fuse series offers superior performance and extended product life. It features MARI-powered fuse technology that delivers highly reliable protection against overcurrent. In addition, the patented SEMITOP® construction offers increased resistance against mechanical stress and vibration, further improving long-term reliability. The 0472001 MR1L series also features a wide variety of ratings and current ratings up to 800A, allowing for greater design flexibility and reliable overcurrent protection for a wide range of applications. The fuse construction provides increased resistance to shock and vibration, which helps to ensure reliable performance in harsh environments. The design also features a secure case-to-body seal, helping to provide maximum protection against environmental contaminants.

MRT1L Application Field and Working Principle

The 0472001 MR1L fuse series is suitable for applications where over-current protection is required. Examples include motor circuits, heating elements, lighting circuits, and other electrical systems. The 0472001 MR1L fuses are designed to provide reliable, instantaneous, and safe protection against the risk of electrical overloads.The working principle behind the fuse is simple: when an overload or a short circuit occurs, the arc connection between the contact arms of the fuse is disrupted, opening the circuit and breaking the current flow. This interruption is done by means of a magnetic re-settable arc that rapidly breaks the continuity of the current. The amount of current that can be interrupted depends on the rating of the fuse. The 0472001 MR1L fuses are designed with high temperature and high tolerance components to ensure longevity and reliable performance. The temperature ratings of the fuses range from -40°C to 125°C and feature a wide variety of current ratings up to 800A.

Conclusion

MR treated fuses, such as the 0472001 MR1L series, offer superior protection and extended product life compared to other fuse types. Thanks to the combination of MARI technology and the patented SEMITOP® construction, these fuses are highly reliable in harsh environments. The wide range of current ratings and temperature ratings C allows for greater design flexibility and reliable overcurrent protection for a wide variety of applications.

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