SF-1206S400-2

Package / Case:	1206 (3216 Metric)
DC Cold Resistance:	0.014 Ohms
Size / Dimension:	0.122" L x 0.061" W x 0.024" H (3.10mm x 1.55mm x 0.60mm)
Color:	--
Operating Temperature:	-40°C ~ 105°C
Approvals:	UL
Melting I²t:	1.537
Breaking Capacity @ Rated Voltage:	50A
Mounting Type:	Surface Mount
Series:	SinglFuse™ SF-1206S
Response Time:	Slow
Voltage Rating - DC:	32V
Current Rating:	4A
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-1206S400-2 Fuses Application Field and Working Principle

Fuses are one of the most versatile and common electrical components used in various applications. The SF-1206S400-2 fuse is a type of fuse used to protect other important electrical components from over-current and over-voltage. It is an economical solution compared to higher rated protection devices. It is ideal for low voltage applications and offers superior performance.

Application field of SF-1206S400-2 Fuse

SF-1206S400-2 fuses are normally used in appliances, electrical motors, circuit boards, battery chargers, high-end electronics, automotive, marine and watch power supplies. They are designed to protect circuits from over voltage and over current, and as such are widely used in various industries and in everyday products.

Working Principle of SF-1206S400-2 Fuse

SF-1206S400-2 fuses are designed to work on the principle of over-current protection. When the current exceeds the rated value, the fuse will melt and interrupt the circuit by creating an open circuit, thus preventing further current flowing through the circuit which would cause damage and/or fire.The SF-1206S400-2 fuse is made up of an inner core of silver that melts easily. This core is surrounded by a specialized low current plastic with an outer metal casing. When the current exceeds a certain value, the outer casing of the fuse is heated by the current flow and this heat is transferred to the inner core of silver, causing it to melt and disconnect the circuit.

Advantages of SF-1206S400-2 Fuse

SF-1206S400-2 fuses are extremely cost effective when compared to other protection devices that offer the same level of protection. In addition, they are designed to feature a fast response time so they can offer effective over-current and over-voltage protection. They are also designed to be relatively small in size, making them convenient for use in various applications.

Conclusion

The SF-1206S400-2 fuse is an economical yet effective solution for protection against over-current and over-voltage. It is widely used in various industries due to its small size and its fast response time. Its simple and effective working principle ensures that circuits and equipment are efficiently protected against power surges.

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