20111250001

Response Time:	Medium
Size / Dimension:	0.205" Dia x 0.787" L (5.20mm x 20.00mm)
Color:	--
Operating Temperature:	-25°C ~ 70°C
Approvals:	cULus
Melting I²t:	3.2
Breaking Capacity @ Rated Voltage:	80A
Mounting Type:	Holder
Package / Case:	5mm x 20mm
Series:	201
Voltage Rating - AC:	250V
Current Rating:	1.25A
Fuse Type:	Cartridge, Glass
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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< html > < head > < title > Fuses: 20111250001 Application Field and Working Principle < body > < h2 > Introduction < p > A fuse is an electrical device used to protect circuits and power sources from being overloaded or short circuited. Fuses are the forerunner of circuit breakers and are often found in household, industrial and automotive circuits. The purpose of a fuse is to prevent damage to electrical equipment when it is overloaded or short circuited. The fuse acts as a warning device; when it blows, it alerts the user that something is wrong and must be corrected before the circuit can be safely used again. < h2 > 20111250001 Application Field < p > 20111250001 are widely used in a variety of applications. They are commonly used in automotive and marine circuits, both for safety and to protect expensive components such as spark plugs, fuel injectors and airbags. In industrial applications, fuses are used in large AC/DC power networks to protect motors, transformers, generators, rectifiers and other heavy-duty electronics. In addition, they are sometimes found in domestic, low-voltage applications such as doorbells, smoke detectors, and range and oven thermostats. < h2 > 20111250001 Working Principle < p > Fuses operate on the same principle of electrical current flow. When an overload of current passes through the fuse, a thin strip of metal inside the device melts, breaking the circuit and stopping the flow of electricity. The metal strip is designed to stop the circuit before any permanent damage can be done to the circuit components. Fuses are rated in amperes and will only melt when an overload of current exceeds the rating of the fuse. For example, a 3-amp fuse will blow if more than 3 amps of current passes through it. To avoid unnecessary trips and blown fuses, the fuse rating should always match the ampacity of the electrical equipment it is protecting.

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