20100500431

Response Time:	Medium
Size / Dimension:	0.232" Dia x 0.827" L (5.90mm x 21.00mm)
Color:	--
Operating Temperature:	-25°C ~ 70°C
Approvals:	cULus
Melting I²t:	0.009
Breaking Capacity @ Rated Voltage:	80A
Mounting Type:	Through Hole
Package / Case:	5mm x 20mm (Axial)
Series:	201P
Voltage Rating - AC:	250V
Current Rating:	50mA
Fuse Type:	Cartridge, Glass
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction to Fuses

A fuse is an electrical safety device designed to protect electric circuits from overload or short circuit currents. A fuse consists of a piece of wire or a metal strip in a closed casing that is connected in series with an electric current. It is connected in such a way that when too much current passes through it, the element melts or "blows", thus breaking the circuit and preventing further current through it. Fuses are mainly used to protect people, appliances and electrical systems from short circuits and overloading.

Types of Fuses

Fuses come in many different types and sizes. The most common type of fuse is the cartridge fuse, which is held in place and is usually screwed into a holder or clip. These fuses are generally used in household and light commercial applications. There are also blade fuses which are smaller versions of the cartridge type and are typically found in automotive circuits. Tube or peg fuses are similar to blade fuses but are typically found in industrial applications.

Application of Fuses

Fuses are used in a variety of applications. They can be used to protect circuits in domestic and light commercial applications, including TV and radio sets, washing machines and other appliances. They are also used to protect automotive circuits, fuse boxes, and electrical distribution systems.

Working Principle of Fuses

The working principle of a fuse is simple. When a small current is flowing through the fuse, it stays intact, and the circuit remains open. However, when current passes through it above the rated current, it melts or "blows". This results in the circuit becoming open and the current is interrupted, thus preventing further damage to the circuit.

Advantages of Fuses

Fuses offer a number of advantages over other forms of circuit protection. They are simple and easy to use, are relatively inexpensive, and they can provide fast protection. Fuses also don’t require a power source, so they’re ideal for situations where a power source may not be available or reliable.

Conclusion

Fuses are an important and integral part of any electrical system. When used correctly, they can provide reliable protection from short circuits and overloads, and thus help ensure the safe operation of the equipment.

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