021612.5MRET3P

Response Time:	Fast
DC Cold Resistance:	0.0057 Ohms
Size / Dimension:	0.228" Dia x 0.886" L (5.80mm x 22.50mm)
Color:	--
Approvals:	CE, CSA, PSE, TUV, UR
Melting I²t:	175
Breaking Capacity @ Rated Voltage:	1500A
Mounting Type:	Through Hole
Package / Case:	5mm x 20mm (Axial)
Series:	216
Voltage Rating - AC:	250V
Current Rating:	12.5A
Fuse Type:	Cartridge, Ceramic
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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021612.5MRET3P: An Overview of Fuse Application Fields and Working Principles

A fuse is a type of electrical protection device designed to protect electronic equipment, wiring networks and electrical systems against excessive current. It is one of the most important components of any electrical system. Fuses are used in residential and industrial installations, automobiles, aircraft, and other applications for the protection of devices and circuits from overcurrent, undercurrent, and short circuit conditions.The 021612.5MRET3P, also known as a Fast Acting Fuse, is a type of fuse designed to open in as little as 0.0008 seconds when exposed to an overcurrent event. This type of fuse is typically used in applications where instantaneous tripping due to short circuits are required. It is also used in AC/DC power systems, electrical protection systems, and instrumentation and control applications.The working principle of the 021612.5MRET3P is that a fusible material inside the cartridges melts when an overcurrent event occurs. This melting initiates a chain-reaction which quickly creates gas, pressure, and heat in the element. The pressure created by the rapidly expanding gas ruptures the element, breaking the electrical path, and causing it to open.Fuses have certain advantages over other electrical protection methods, such as circuit breakers and fuses. Fuses are more reliable, easier to install and require less maintenance than circuit breakers. Furthermore, they are less expensive than fuses and provide superior protection in the event of an overcurrent.Fuses are also safer and provide better fire protection than circuit breakers. Fuses melt when presented with an overload or a short circuit, preventing the circuit current from getting too high and creating a spark. Circuit breakers, on the other hand, often flip a switch, interrupting the flow of current and creating a spark in the process. If the spark comes into contact with combustible material, it can create a fire.The 021612.5MRET3P is a reliable and cost-effective approach to protecting equipment from dangerous overcurrent conditions. Fuses have been used to protect electrical systems for centuries and they continue to be an invaluable part of any electrical network. With its wide range of applications, the 021612.5MRET3P is an important addition to the family of fuses and an essential tool in the protection of today\'s electrical systems.

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