20103150001

Series:	201
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Fuse Type:	Cartridge, Glass
Current Rating:	315mA
Voltage Rating - AC:	250V
Response Time:	Medium
Package / Case:	5mm x 20mm
Mounting Type:	Holder
Breaking Capacity @ Rated Voltage:	80A
Melting I²t:	0.16
Approvals:	cULus
Operating Temperature:	-25°C ~ 70°C
Color:	--
Size / Dimension:	0.205" Dia x 0.787" L (5.20mm x 20.00mm)

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Fuses are safety devices used to protect circuits and equipment from unexpected surges in electrical current. They are primarily used in residential and commercial wiring systems, as well as in industrial equipment and appliances. They are an important component in any circuit and must be properly selected and sized for optimal protective function.When a fuse\'s design rating and the current that the circuit produces match, then the flow of electricity will operate normally. However, when a sudden and unexpected surge in current potential is detected, the fuse will open and break the connection, thus protecting the circuit and the equipment from destruction. Fuses come in different designs as well as ratings, though they all operate on the same basic principle. A fuse has two metal electrodes that are connected to two ends of a metal wire or strip, insulated by an insulating material. When the circuit is operating at normal levels, the electrodes hold the wire in place and allow current to travel through it. When a surge in current is detected, the wire melts and breaks the circuit. One type of fuse is the blade type, which is popular in many residential and commercial applications. It has the two metal electrodes connected to a flat strip of metal, usually copper. The strip is then embedded in a plastic or fiber housing. When current flows through the strip, it heats up and melts the metal. When the current becomes too high, the metal melts, breaking the circuit and opening the fuse. Another type of fuse is the cartridge type, which is commonly found in electrical equipment and appliances. This type of fuse has two metal electrodes that are connected to two ends of a metal cylinder, usually copper, that is insulated with an insulating material. When a surge in current is detected, the metal melts and opens the circuit, protecting the equipment from damage. Time-delay fuses are also used in some applications to protect circuits from overcurrent due to rapid changes in load. They usually have two metal electrodes connected to two ends of a metal strip or wire, insulated with a thin insulating material. When the current surges, the metal strip or wire melts slowly, giving the circuit time to react or adjust to the changing load. Once the current has reached the design rating, the circuit is allowed to keep running without interruption. These are just a few of the many types of fuses used in modern circuit protection. To ensure the proper operation of any circuit, the fuse must be selected and sized with regard to the design rating and current of the circuit. The wrong size or rating of fuse can lead to dangerous and unpredictable outcomes, so it is essential to select and size the correct fuse for the application.

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