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
0451005.MRL FUSE BRD MNT 5A 125VAC/VDC 2SMD Littelfuse Inc.	36,536 In Stock	1 : $3.12000 Cut Tape (CT) 1,000 : $1.25489 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)
0451003.MRL FUSE BRD MNT 3A 125VAC/VDC 2SMD Littelfuse Inc.	24,639 In Stock	1 : $3.12000 Cut Tape (CT) 1,000 : $1.25489 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)
0451.250MRL FUSE BRD MT 250MA 125VAC/VDC SMD Littelfuse Inc.	23,650 In Stock	1 : $3.12000 Cut Tape (CT) 1,000 : $1.25489 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)
045106.3MRL FUSE BRD MNT 6.3A 125VAC/VDC SMD Littelfuse Inc.	13,630 In Stock	1 : $3.12000 Cut Tape (CT) 1,000 : $1.25489 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)
0451007.MRL FUSE BRD MNT 7A 125VAC/VDC 2SMD Littelfuse Inc.	11,091 In Stock	1 : $3.12000 Cut Tape (CT) 1,000 : $1.25489 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)
0451002.MRL FUSE BRD MNT 2A 125VAC/VDC 2SMD Littelfuse Inc.	9,139 In Stock	1 : $3.12000 Cut Tape (CT) 1,000 : $1.25489 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)
0451008.MRL FUSE BRD MNT 8A 125VAC/VDC 2SMD Littelfuse Inc.	7,828 In Stock	1 : $3.12000 Cut Tape (CT) 1,000 : $1.25489 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)
0451004.MRL FUSE BRD MNT 4A 125VAC/VDC 2SMD Littelfuse Inc.	7,584 In Stock	1 : $3.12000 Cut Tape (CT) 1,000 : $1.25489 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.	5,682 In Stock	1 : $3.12000 Cut Tape (CT) 1,000 : $1.25489 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)
0451002.NRL FUSE BRD MNT 2A 125VAC/VDC 2SMD Littelfuse Inc.	1,625 In Stock	1 : $3.12000 Cut Tape (CT) 5,000 : $1.16319 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)
0451015.MRL FUSE BRD MNT 15A 65VAC 65VDC SMD Littelfuse Inc.	12,503 In Stock	1 : $4.75000 Cut Tape (CT) 1,000 : $1.90661 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)
0451020.MRL FUSE BRD MNT 20A 65VAC 65VDC SMD Littelfuse Inc.	10,651 In Stock	1 : $4.75000 Cut Tape (CT) 1,000 : $1.90661 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)
0451010.MRL FUSE BRD MNT 10A 125VAC/VDC 2SMD Littelfuse Inc.	7,118 In Stock	1 : $4.75000 Cut Tape (CT) 1,000 : $1.90661 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)
0451.125MRL FUSE BRD MT 125MA 125VAC/VDC SMD Littelfuse Inc.	5,842 In Stock	1 : $6.58000 Cut Tape (CT) 1,000 : $2.64370 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)
0451.100MRL FUSE BRD MT 100MA 125VAC/VDC SMD Littelfuse Inc.	4,356 In Stock	1 : $6.58000 Cut Tape (CT) 1,000 : $2.64370 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)
0451.062MRL FUSE BRD MNT 62MA 125VAC/VDC SMD Littelfuse Inc.	13,773 In Stock	1 : $9.59000 Cut Tape (CT) 1,000 : $3.99826 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)
0451015.MRSN FUSE BRD MNT 15A 65VAC 65VDC SMD Littelfuse Inc.	2,166 In Stock	1 : $2.87000 Cut Tape (CT) 1,000 : $1.15390 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	100A AC, 150A DC	97.82	CSA, METI, UR	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0451005.MRSN FUSE BRD MNT 5A 125VAC/VDC 2SMD Littelfuse Inc.	2,032 In Stock	1 : $2.87000 Cut Tape (CT) 1,000 : $1.15390 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, METI, UR	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0451010.MRSN FUSE BRD MNT 10A 125VAC/VDC 2SMD Littelfuse Inc.	1,766 In Stock	1 : $2.87000 Cut Tape (CT) 1,000 : $1.15390 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	26.46	CSA, METI, UR	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0451008.MRSN FUSE BRD MNT 8A 125VAC/VDC 2SMD Littelfuse Inc.	586 In Stock	1 : $2.87000 Cut Tape (CT) 1,000 : $1.15390 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, METI, UR	-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.	11,790 In Stock	1 : $3.12000 Cut Tape (CT) 5,000 : $1.16319 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)
0451.500MRL FUSE BRD MT 500MA 125VAC/VDC SMD Littelfuse Inc.	8,677 In Stock	1 : $3.12000 Cut Tape (CT) 1,000 : $1.25489 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)
045101.5MRL FUSE BRD MNT 1.5A 125VAC/VDC SMD Littelfuse Inc.	8,599 In Stock	1 : $3.12000 Cut Tape (CT) 1,000 : $1.25489 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1.5 A	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	0.853	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.	6,177 In Stock	1 : $3.12000 Cut Tape (CT) 5,000 : $1.16319 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)
0451.315MRL FUSE BRD MT 315MA 125VAC/VDC SMD Littelfuse Inc.	4,685 In Stock	1 : $3.12000 Cut Tape (CT) 1,000 : $1.25489 Tape & Reel (TR)	NANO²® 451	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	315 mA	125 V	125 V	Fast Blow	2-SMD, Square End Block	50A	0.0311	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)

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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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