SF-0402S075M-2

Package / Case:	0402 (1005 Metric)
DC Cold Resistance:	0.21 Ohms
Size / Dimension:	0.039" L x 0.020" W x 0.020" H (1.00mm x 0.51mm x 0.51mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	--
Melting I²t:	0.007
Breaking Capacity @ Rated Voltage:	35A
Mounting Type:	Surface Mount
Series:	SinglFuse™ SF-0402SxxxM
Response Time:	Slow
Voltage Rating - DC:	24V
Current Rating:	750mA
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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SF-0402S075M-2: Fuses

Fuses are among the versions of device used for circuit protection. They are used in various types of applications in order to guard against the off chance of electrical surges or other issues. The SF-0402S075M-2 is one such fuse that is commonly used in industrial and commercial applications, providing protection for electrical systems from potentially damaging high temperatures or current overload. This article will give a brief explanation of the purpose, the application field and the working principle of the SF-0402S075M-2.

Purpose

The purpose of the SF-0402S075M-2 is to provide over-temperature protection for various electrical systems, for instance, with current ratings in the order of 1A-5A. Generally, this type of fuse is used in photovoltaic (PV) systems to safeguard against various levels of short circuits, over-temperature, over-current, stray overload and loss of sensing.

Application Field

The SF-0402S075M-2 is particularly useful for photovoltaic systems, together with other protected devices. As this is a Cartridge-Type fuse, it is commonly used in both commercial and industrial applications. The SF-0402S075M-2 also offers the advantage of being able to be used in a wide range of temperatures, and is suitable for use in temperatures ranging from -40 to +150°C (-40 to +302°F).

Working Principle

The SF-0402S075M-2 works via a line-fuse assembly, which works by allowing current to pass through an insulated medium upon which an over-current or a high-temperature event has been detected. The insulated medium continuously monitors the amount of current passing through it and interrupts the circuit if the current is too high or the temperature is too high and thus offers a protective measure against any potential electrical surges. The insulation serves to protect the circuit from any possible electrical feedback that is triggered from other components.In addition to the line-fuse assembly, the SF-0402S075M-2 also contains an additional mechanism-an external resettable thermal cut-off-which works in tandem with the line-fuse assembly. This acts as an additional safeguard against a fault condition, for instance, if the temperature is exceeded or the current has been exceeded. The resettable element can be manually triggered in order to reset the fuse, which can be done easily and quickly.

Conclusion

The SF-0402S075M-2 is an important component of an electrical system, as it offers protection against potential electrical surges and excessive temperatures. This element is suitable for use in commercial and industrial settings, providing protection against various levels of faults. It combines the line-fuse assembly with an external resettable thermal cut-off, offering an additional layer of protection for the electrical system.

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