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
0451003.MRL FUSE BRD MNT 3A 125VAC/VDC 2SMD Littelfuse Inc.	18,094 In Stock	1 : £1.09000 Cut Tape (CT) 1,000 : £0.48474 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.	8,995 In Stock	1 : £1.09000 Cut Tape (CT) 1,000 : £0.48474 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)
0451004.MRL FUSE BRD MNT 4A 125VAC/VDC 2SMD Littelfuse Inc.	7,524 In Stock	1 : £1.09000 Cut Tape (CT) 1,000 : £0.48474 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)
0451.500MRL FUSE BRD MT 500MA 125VAC/VDC SMD Littelfuse Inc.	4,877 In Stock	1 : £1.09000 Cut Tape (CT) 1,000 : £0.48474 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)
0453003.MR FUSE BRD MNT 3A 125VAC/VDC 2SMD Littelfuse Inc.	4,261 In Stock	1 : £1.09000 Cut Tape (CT) 1,000 : £0.48552 Tape & Reel (TR)	NANO²® 453	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.	4,196 In Stock	1 : £1.09000 Cut Tape (CT) 1,000 : £0.48474 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)
0451008.MRL FUSE BRD MNT 8A 125VAC/VDC 2SMD Littelfuse Inc.	4,098 In Stock	1 : £1.09000 Cut Tape (CT) 1,000 : £0.48474 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)
0451007.MRL FUSE BRD MNT 7A 125VAC/VDC 2SMD Littelfuse Inc.	3,731 In Stock	1 : £1.09000 Cut Tape (CT) 1,000 : £0.48474 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)
0451001.MRL FUSE BRD MNT 1A 125VAC/VDC 2SMD Littelfuse Inc.	3,408 In Stock	1 : £1.09000 Cut Tape (CT) 1,000 : £0.48474 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)
0453002.MR FUSE BRD MNT 2A 125VAC/VDC 2SMD Littelfuse Inc.	597 In Stock	1 : £1.09000 Cut Tape (CT) 1,000 : £0.48552 Tape & Reel (TR)	NANO²® 453	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.	589 In Stock	1 : £1.09000 Cut Tape (CT) 1,000 : £0.48474 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)
045106.3MRL FUSE BRD MNT 6.3A 125VAC/VDC SMD Littelfuse Inc.	384 In Stock	1 : £1.09000 Cut Tape (CT) 1,000 : £0.48474 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)
0448001.MR FUSE BRD MNT 1A 125VAC/VDC 2SMD Littelfuse Inc.	1,970 In Stock	1 : £1.13000 Cut Tape (CT) 1,000 : £0.50479 Tape & Reel (TR)	NANO²® 448	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	0.441	CSA, UL, PSE	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
045403.5MR FUSE BRD MNT 3.5A 125VAC/VDC SMD Littelfuse Inc.	8,324 In Stock	1 : £1.32000 Cut Tape (CT) 1,000 : £0.58767 Tape & Reel (TR)	NANO²® 454	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	3.5 A	125 V	125 V	Slow Blow	2-SMD, Square End Block	50A	26.53	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)
0454003.MR FUSE BRD MNT 3A 125VAC/VDC 2SMD Littelfuse Inc.	6,477 In Stock	1 : £1.32000 Cut Tape (CT) 1,000 : £0.58767 Tape & Reel (TR)	NANO²® 454	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	3 A	125 V	125 V	Slow Blow	2-SMD, Square End Block	50A	20.16	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)
0454.375MR FUSE BRD MT 375MA 125VAC/VDC SMD Littelfuse Inc.	4,762 In Stock	1 : £1.32000 Cut Tape (CT) 1,000 : £0.58767 Tape & Reel (TR)	NANO²® 454	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	375 mA	125 V	125 V	Slow Blow	2-SMD, Square End Block	50A	0.101	CSA, UR	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
045401.5MR FUSE BRD MNT 1.5A 125VAC/VDC SMD Littelfuse Inc.	4,500 In Stock	1 : £1.32000 Cut Tape (CT) 1,000 : £0.58767 Tape & Reel (TR)	NANO²® 454	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1.5 A	125 V	125 V	Slow Blow	2-SMD, Square End Block	50A	3.65	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)
0454005.MR FUSE BRD MNT 5A 125VAC/VDC 2SMD Littelfuse Inc.	3,857 In Stock	1 : £1.32000 Cut Tape (CT) 1,000 : £0.58767 Tape & Reel (TR)	NANO²® 454	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	5 A	125 V	125 V	Slow Blow	2-SMD, Square End Block	50A	53.72	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)
0454001.MR FUSE BRD MNT 1A 125VAC/VDC 2SMD Littelfuse Inc.	2,900 In Stock	1 : £1.32000 Cut Tape (CT) 1,000 : £0.58767 Tape & Reel (TR)	NANO²® 454	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1 A	125 V	125 V	Slow Blow	2-SMD, Square End Block	50A	1.98	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)
0454007.MR FUSE BRD MNT 7A 72VAC 60VDC 2SMD Littelfuse Inc.	517 In Stock	1 : £1.40000 Cut Tape (CT) 1,000 : £0.56111 Tape & Reel (TR)	NANO²® 454	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	7 A	72 V	60 V	Slow Blow	2-SMD, Square End Block	50A	123.83	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)
0452005.MRL FUSE BRD MNT 5A 125VAC/VDC 2SMD Littelfuse Inc.	20,535 In Stock	1 : £1.43000 Cut Tape (CT) 1,000 : £0.63882 Tape & Reel (TR)	NANO²® 452	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	5 A	125 V	125 V	Slow Blow	2-SMD, Square End Block	50A	53.72	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)
0452003.MRL FUSE BRD MNT 3A 125VAC/VDC 2SMD Littelfuse Inc.	6,653 In Stock	1 : £1.43000 Cut Tape (CT) 1,000 : £0.63882 Tape & Reel (TR)	NANO²® 452	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	3 A	125 V	125 V	Slow Blow	2-SMD, Square End Block	50A	20.16	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)
045201.5MRL FUSE BRD MNT 1.5A 125VAC/VDC SMD Littelfuse Inc.	6,555 In Stock	1 : £1.43000 Cut Tape (CT) 1,000 : £0.63882 Tape & Reel (TR)	NANO²® 452	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1.5 A	125 V	125 V	Slow Blow	2-SMD, Square End Block	50A	3.65	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)
0452.750MRL FUSE BRD MT 750MA 125VAC/VDC SMD Littelfuse Inc.	3,723 In Stock	1 : £1.43000 Cut Tape (CT) 1,000 : £0.63882 Tape & Reel (TR)	NANO²® 452	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	750 mA	125 V	125 V	Slow Blow	2-SMD, Square End Block	50A	0.904	CSA, UR	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0452001.NRL FUSE BRD MNT 1A 125VAC/VDC 2SMD Littelfuse Inc.	1,624 In Stock	1 : £1.43000 Cut Tape (CT) 5,000 : £0.58928 Tape & Reel (TR)	NANO²® 452	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1 A	125 V	125 V	Slow Blow	2-SMD, Square End Block	50A	1.98	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)

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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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