Fuses

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	Mfr Part #	Quantity Available	Price	Tariff Status	Series	Package	Product Status	Mounting Type	Fuse Type	Current Rating (Amps)	Voltage Rating - AC	Voltage Rating - DC	Response Time	Package / Case	Breaking Capacity @ Rated Voltage	Melting I²t	Approval Agency	Operating Temperature	Color	Size / Dimension
	0451004.MRL FUSE BRD MNT 4A 125VAC/VDC 2SMD Littelfuse Inc.	3,451 In Stock	1 : $1.56000 Cut Tape (CT) 1,000 : $0.71961 Tape & Reel (TR)	-	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	3.152	CSA, PSE, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
	0451004.NRL FUSE BRD MNT 4A 125VAC/VDC 2SMD Littelfuse Inc.	0 In Stock Check Lead Time	5,000 : $0.65438 Tape & Reel (TR)	-	NANO²® 451	Tape & Reel (TR)	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	3.152	CSA, PSE, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)

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A fuse is a device designed to stop current flow when it exceeds a certain limit (overcurrent protection). The devices works by creating an opening in a material situated between two end terminals. The material will melt (blow) from an increase in heat generated by the device as the current flow changes. The amount of time it takes the device to blow is often defined as fast or slow-blow.