5TT 3-R

Package / Case:	5mm x 20mm
DC Cold Resistance:	0.043 Ohms
Size / Dimension:	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CE, CSA, cULus, PSE
Melting I²t:	55.6
Breaking Capacity @ Rated Voltage:	100A
Mounting Type:	Holder
Series:	5TT
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	3A
Fuse Type:	Cartridge, Glass
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Fuses are important components in electrical circuit. They are designed to protect circuits and equipment from overcurrents or overvoltage. There are two basic types of fuses: the typical fuse which is a two terminal device, and the 5TT 3-R application field and working principle which is a three terminal device. The 5TT 3-R application field and working principle fuses have become increasingly popular in recent years, due to their superior performance, reliability and safety features.

What is 5TT 3-R?

5TT 3-R is a specialized type of fuse that is designed to provide enhanced protection against electrical system faults. 5TT 3-R fuses are characterized by a terminal block assembly that contains three terminals. The three terminals are labeled as R, T and T2. The 5TT 3-R application field and working principle are primarily used for automotive, medium voltage, and high voltage circuits.

The Working Principle of 5TT 3-R Fuses

The working principle of 5TT 3-R fuses is relatively simple. First, the current path is routed through the fuse\'s three terminals. Then, the current is measured on the R terminal. Finally, when the current flow exceeds the desired level, the fuse\'s reaction element melts and causes the current to be diverted away from the loads. This has the effect of safely protecting the electrical system from overload or short circuit conditions.

5TT 3-R Application Field

5TT 3-R fuses are mostly used in automotive, medium-voltage, and high-voltage applications. The benefits of using 5TT 3-R fuses are twofold. First, the reaction element offers superior protection against current surges due to the three-terminal design. The fuse\'s terminals and reaction element act as a protector, allowing the application to be adequately protected against current surges. Second, the fuse\'s reaction element offers a fast response time, which helps to protect the electrical system more quickly and effectively. Additionally, 5TT 3-R fuses provide better protection against voltage transients and provide greater surge current withstand capabilities.

Conclusion

In conclusion, 5TT 3-R application field and working principle are specialized type of fuses that are designed to provide enhanced protection against electrical system faults. They offer superior protection against current surges due to their three-terminal design and fast response time. 5TT 3-R fuses are predominantly used in automotive, medium-voltage and high-voltage applications. These fuses provide effective protection against voltage transients and greater surge current withstand capabilities, making them an ideal solution for automotive, medium-voltage and high-voltage circuits.

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