SF-1206F400-2 Circuit Protection

Package / Case:	1206 (3216 Metric)
DC Cold Resistance:	0.015 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:	0.954
Breaking Capacity @ Rated Voltage:	50A
Mounting Type:	Surface Mount
Series:	SinglFuse™ SF-1206F
Response Time:	Fast
Voltage Rating - DC:	24V
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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Introduction to SF-1206F400-2 Fuses

The SF-1206F400-2 fuse is a new generation of product in the field of overcurrent protection products, featuring a thin and small design, suitable for more applications. SF-1206F400-2 fuses are commonly used in over-current and over-voltage protection of electronic equipment, such as electric tools, small appliances, household appliances and high-end electronic equipment.SF-1206F400-2 fuses is a polymer-based SMT product which is different from traditional ceramic-based fuses due to its physical characteristics, and has outstanding performance and features. The ultra-thin and mini size of SF-1206F400-2 fuses provides excellent space saving capacity in the electronic design. SF-1206F400-2 fuses provide the same or better performance than traditional ceramic-based fuses, such as high breaking capability, low tripping current, fast response, high frequency resistance and EMI shielding capability, and superior over-voltage protection.

Application Field of SF-1206F400-2 Fuses

SF-1206F400-2 fuses are widely used in high-power applications due to their low tripping current, voltage compliance, fast response, and EMI shielding capability. And it can be perfectly used to protect overload and short circuit of electronic devices. SF-1206F400-2 fuses are suitable for use in a wide range of applications such as factories, office automation equipment, and consumer electronics. The applications of SF-1206F400-2 fuses include power and audio/video equipment, consumer electronics, computer peripherals, home appliances, and other electronics equipment. SF-1206F400-2 fuses can be used to protect home appliances such as air conditioners, refrigerators, washing machines, microwave ovens, and other high-power electrical appliances. And it is also used for equipment controlling, included digital displays, electronic storage devices, printer and copier, air-compressor motor, and communication equipment.

Working Principle of SF-1206F400-2 Fuses

SF-1206F400-2 fuses are composed of inductors and resistors, and they are designed to protect electrical equipment from overload and short circuit. When the current through the fuses exceeds the rated current, the metal will heat up, melting the thin wire and breaking the circuit. This way, the SF-1206F400-2 fuses protect the device from damaging.When a fault current passes through an inductive element, an electromagnetic field is created. This field can cause a metal bridge to open. The metal bridge contains a metal wire that heats up and melts when the current through the fuses exceeds the rated current. The bridge opens and breaks the circuit, and the electrical equipment is safe.SF-1206F400-2 fuses also have break-off features, which is a very important safety feature that protects circuit and components from over-current and over-voltage damage. The break-off features provide more protection by breaking the circuit when the current and voltage exceed the set values.

Conclusion

The SF-1206F400-2 fuses are an important component in the electrical equipment industry, protecting the equipment from overload and short circuit. Their ultra-thin and mini size make them offer excellent space-saving capability in the circuit design. They are widely used in a wide range of applications, such as power and audio/video equipment, consumer electronics, and many other electronic equipment. They are designed to protect the equipment and circuit from over-current and over-voltage damage.

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