FCD121400TP Circuit Protection

Package / Case:	1206 (3216 Metric)
DC Cold Resistance:	0.019 Ohms
Size / Dimension:	0.126" L x 0.063" W x 0.026" H (3.20mm x 1.60mm x 0.65mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	cULus
Melting I²t:	0.5
Breaking Capacity @ Rated Voltage:	50A
Mounting Type:	Surface Mount
Series:	FCD12
Response Time:	Fast
Voltage Rating - DC:	32V
Current Rating:	4A
Fuse Type:	Board Mount (Cartridge Style Excluded)
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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FCD121400TP application field and working principle

Fuses are electrical components used to protect various electric appliances from the damage or destruction due to overloads or short circuit currents. One type of fuse, the FCD121400TP, is designed to work with hazardous and explosive environments, like those found in chemical or oil industry plants. This article explains the application field and working principle of the FCD121400TP fuse.

Application Field of FCD121400TP

The FCD121400TP fuse is designed for the protection of circuits and components in areas with a potentially hazardous environment, like oil and chemical plants. It helps to prevent fire or other accidents in these environment by interrupting the flow of electricity when current flow exceeds the rated value.The FCD121400TP has a high degree of protection due to its construction, which is made of special material. Its enclosures are highly resistant to corrosion, have an IP65 rating, and can be mounted in containers, junction boxes and other electrical structures.The FCD121400TP can be used for overloading and short-circuit protection, and for protection against overvoltage and undervoltage in DC power distribution systems. It can also be used in the protection of large motors, fuses, transformers and other electrical equipment.

Working Principle of FCD121400TP

The FCD121400TP fuse works similarly to other types of electrical fuses. It is connected to a circuit, and when the current through the circuit exceeds its rated value, the fuse melts, interrupting the current and preventing it from reaching unsafe levels.The FCD121400TP has two main components. One is a silver base element, which serves as the main fuse body. This element consists of high-resistance wire strands wound around a ceramic body. The second component is the detonator material, which is made of a special compound which helps to speed up the melting process of the base element.When the FCD121400TP senses an increase in current, the silver base element and the detonator material act together to reduce the resistance of the element, allowing it to melt faster. This interrupts the flow of current in the circuit, protecting it from overloads or short-circuits.

Conclusion

The FCD121400TP fuse is designed for use in hazardous and explosive environments. It is highly resistant to corrosion and offers a high degree of protection against overloading and short-circuit currents. When installed in an electrical circuit, it automatically interrupts the flow of current if the current exceeds the rated value of the fuse, thus preventing damage or destruction due to excessive current.

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