0473003.YRT1 Circuit Protection

Response Time:	Slow
DC Cold Resistance:	0.038 Ohms
Size / Dimension:	0.135" Dia x 0.280" L (3.43mm x 7.11mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CSA, PSE, UR
Melting I²t:	21
Breaking Capacity @ Rated Voltage:	50A
Mounting Type:	Through Hole
Package / Case:	Axial
Series:	PICO® II 473
Voltage Rating - DC:	125V
Voltage Rating - AC:	125V
Current Rating:	3A
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Part Status:	Obsolete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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Fuses - 0473003.YRT1 Application Field and Working Principle

Fuses are passive electrical components that are designed to protect electrical circuits from damage caused by overcurrent or overloads. They contain a metal alloy designed to melt or "blow" when too much current flows through them for an extended amount of time. This propels them into action and effectively breaks the flow of electricity.The 0473003.YRT1 is a type of fuse that is used in many industrial applications. It has a 600V rating and can withstand a maximum of 15A of current. Additionally, the 0473003.YRT1 has a maximum interrupting rating of 10kA and a maximum melting I2t of 985A2s. It has a diameter of 0.3125”, a height of 1.75”, and a weight of 5oz. The primary use of the 0473003.YRT1 is to protect circuits and equipment from voltage and current surges. In industrial applications, these surges can come from a variety of sources, including lightning strikes, power outages, and short circuits. With the 0473003.YRT1, the circuit or equipment is protected from these potentially damaging and costly events.The working principle of the 0473003.YRT1 is relatively simple. It is basically a metal alloy that is designed to melt or "blow" when too much current is flowing through it for an extended period of time. This instantly propels it into action and effectively breaks the current flow in the circuit.The melting or "blowing" of the fuse depends on its melting I2t rating. This is a measure of the current that the fuse can withstand over a period of time without blowing. Once the maximum rating is exceeded, the fuse will then blow or melt allowing it to break the current flow in the circuit.In conclusion, the 0473003.YRT1 is a type of fuse that is designed to protect circuits and equipment from voltage and current surges. It has a melting I2t rating of 985A2s, is UL listed, and comes with a 600V rating. It is easy to install and simple to maintain, making it ideal for industrial applications.

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