Fuses

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Mfr Part #	Quantity Available	Price	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
0451.250MRL FUSE BRD MT 250MA 125VAC/VDC SMD Littelfuse Inc.	12,907 In Stock	1 : $11.26000 Cut Tape (CT) 1,000 : $5.13072 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	250 mA	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	0.0158	CSA, 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.MRL FUSE BRD MNT 4A 125VAC/VDC 2SMD Littelfuse Inc.	10,628 In Stock	1 : $11.26000 Cut Tape (CT) 1,000 : $5.13072 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)
0451001.MRL FUSE BRD MNT 1A 125VAC/VDC 2SMD Littelfuse Inc.	5,114 In Stock	1 : $11.26000 Cut Tape (CT) 1,000 : $5.13072 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1 A	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	0.459	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)
0451.500MRL FUSE BRD MT 500MA 125VAC/VDC SMD Littelfuse Inc.	4,963 In Stock	1 : $11.26000 Cut Tape (CT) 1,000 : $5.13072 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	500 mA	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	0.0795	CSA, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
045106.3MRL FUSE BRD MNT 6.3A 125VAC/VDC SMD Littelfuse Inc.	2,336 In Stock	1 : $11.26000 Cut Tape (CT) 1,000 : $5.13072 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	6.3 A	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	9.17	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)
0451003.MRL FUSE BRD MNT 3A 125VAC/VDC 2SMD Littelfuse Inc.	14,558 In Stock	1 : $11.50000 Cut Tape (CT) 1,000 : $5.13072 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	3 A	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	1.65	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)
0451002.MRL FUSE BRD MNT 2A 125VAC/VDC 2SMD Littelfuse Inc.	11,814 In Stock	1 : $11.50000 Cut Tape (CT) 1,000 : $5.13072 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	2 A	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	0.53	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)
0451005.MRL FUSE BRD MNT 5A 125VAC/VDC 2SMD Littelfuse Inc.	7,637 In Stock	1 : $11.50000 Cut Tape (CT) 1,000 : $5.13072 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	5 A	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	5.566	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)
0451007.MRL FUSE BRD MNT 7A 125VAC/VDC 2SMD Littelfuse Inc.	5,889 In Stock	1 : $11.50000 Cut Tape (CT) 1,000 : $5.13072 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	7 A	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	10.32	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)
0451008.MRL FUSE BRD MNT 8A 125VAC/VDC 2SMD Littelfuse Inc.	2,055 In Stock	1 : $11.50000 Cut Tape (CT) 1,000 : $5.13072 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	8 A	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	20.23	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)
0451020.MRL FUSE BRD MNT 20A 65VAC 65VDC SMD Littelfuse Inc.	2,088 In Stock	1 : $17.13000 Cut Tape (CT) 1,000 : $7.79667 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	20 A	65 V	65 V	Fast Blow	2-SMD, Square End Block	100A AC, 150A DC	154.0	cURus	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0451015.MRL FUSE BRD MNT 15A 65VAC 65VDC SMD Littelfuse Inc.	1,802 In Stock	1 : $17.13000 Cut Tape (CT) 1,000 : $7.79667 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	15 A	65 V	65 V	Fast Blow	2-SMD, Square End Block	50A	97.82	CSA, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0451010.MRL FUSE BRD MNT 10A 125VAC/VDC 2SMD Littelfuse Inc.	3,752 In Stock	1 : $17.46000 Cut Tape (CT) 1,000 : $7.79667 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	10 A	125 V	125 V	Fast Blow	2-SMD, Square End Block	35A AC, 50A DC	26.46	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)
0451012.MRL FUSE BRD MNT 12A 65VAC 65VDC SMD Littelfuse Inc.	1,979 In Stock	1 : $17.46000 Cut Tape (CT) 1,000 : $7.79667 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	12 A	65 V	65 V	Fast Blow	2-SMD, Square End Block	50A	47.97	CSA, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0451.100MRL FUSE BRD MT 100MA 125VAC/VDC SMD Littelfuse Inc.	4,031 In Stock	1 : $22.84000 Cut Tape (CT) 1,000 : $10.81238 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	100 mA	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	0.00138	CSA, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0451.160MRL FUSE BRD MT 160MA 125VAC/VDC SMD Littelfuse Inc.	3,800 In Stock	1 : $23.74000 Cut Tape (CT) 1,000 : $10.68902 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	160 mA	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	0.0048	CSA, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0451.200MRL FUSE BRD MT 200MA 125VAC/VDC SMD Littelfuse Inc.	913 In Stock	1 : $23.90000 Cut Tape (CT) 1,000 : $10.68902 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	200 mA	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	0.0089	CSA, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0451.125MRL FUSE BRD MT 125MA 125VAC/VDC SMD Littelfuse Inc.	2,465 In Stock	1 : $24.23000 Cut Tape (CT) 1,000 : $10.81238 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	125 mA	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	0.00286	CSA, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0451.080MRL FUSE BRD MNT 80MA 125VAC/VDC SMD Littelfuse Inc.	1,966 In Stock	1 : $35.00000 Cut Tape (CT) 1,000 : $15.82137 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	80 mA	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	3.3E-4	CSA, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0451.062MRL FUSE BRD MNT 62MA 125VAC/VDC SMD Littelfuse Inc.	229 In Stock	1 : $35.24000 Cut Tape (CT) 1,000 : $15.82137 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	62 mA	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	1.9E-4	CSA, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0451.500NRL FUSE BRD MT 500MA 125VAC/VDC SMD Littelfuse Inc.	12,998 In Stock	1 : $8.40000 Cut Tape (CT) 5,000 : $4.60241 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	500 mA	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	0.0795	CSA, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0451002.NRL FUSE BRD MNT 2A 125VAC/VDC 2SMD Littelfuse Inc.	9,683 In Stock	1 : $8.40000 Cut Tape (CT) 5,000 : $4.60241 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	2 A	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	0.53	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)
045102.5NRL FUSE BRD MNT 2.5A 125VAC/VDC SMD Littelfuse Inc.	8,865 In Stock	1 : $8.40000 Cut Tape (CT) 5,000 : $4.60241 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	2.5 A	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	1.029	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)
0451005.NRL FUSE BRD MNT 5A 125VAC/VDC 2SMD Littelfuse Inc.	4,049 In Stock	1 : $10.69000 Cut Tape (CT) 5,000 : $4.60241 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	5 A	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	5.566	CSA, PSE, UR	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
04513.15MRL FUSE BRD MT 3.15A 125VAC/VDC SMD Littelfuse Inc.	5,362 In Stock	1 : $11.26000 Cut Tape (CT) 1,000 : $5.11301 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	3.15 A	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	1.92	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.

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