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
0452002.MRL FUSE BRD MNT 2A 125VAC/VDC 2SMD Littelfuse Inc.	3,278 In Stock	1 : £1.40000 Cut Tape (CT) 1,000 : £0.66136 Tape & Reel (TR)	NANO²® 452	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	2 A	125 V	125 V	Slow Blow	2-SMD, Square End Block	50A	8.2	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)
0452004.MRL FUSE BRD MNT 4A 125VAC/VDC 2SMD Littelfuse Inc.	66,159 In Stock	1 : £1.45000 Cut Tape (CT) 1,000 : £0.66136 Tape & Reel (TR)	NANO²® 452	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	125 V	125 V	Slow Blow	2-SMD, Square End Block	50A	34.4	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)
0452005.MRL FUSE BRD MNT 5A 125VAC/VDC 2SMD Littelfuse Inc.	23,386 In Stock	1 : £1.45000 Cut Tape (CT) 1,000 : £0.66136 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)
0452.500MRL FUSE BRD MT 500MA 125VAC/VDC SMD Littelfuse Inc.	10,530 In Stock	1 : £1.45000 Cut Tape (CT) 1,000 : £0.66136 Tape & Reel (TR)	NANO²® 452	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	500 mA	125 V	125 V	Slow Blow	2-SMD, Square End Block	50A	0.24	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)
0452003.MRL FUSE BRD MNT 3A 125VAC/VDC 2SMD Littelfuse Inc.	6,126 In Stock	1 : £1.45000 Cut Tape (CT) 1,000 : £0.66136 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)
0452001.MRL FUSE BRD MNT 1A 125VAC/VDC 2SMD Littelfuse Inc.	5,531 In Stock	1 : £1.45000 Cut Tape (CT) 1,000 : £0.66136 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)
045202.5MRL FUSE BRD MNT 2.5A 125VAC/VDC SMD Littelfuse Inc.	23,203 In Stock	1 : £1.48000 Cut Tape (CT) 1,000 : £0.66136 Tape & Reel (TR)	NANO²® 452	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	2.5 A	125 V	125 V	Slow Blow	2-SMD, Square End Block	50A	15.0	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.	5,858 In Stock	1 : £1.48000 Cut Tape (CT) 1,000 : £0.66136 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)
0452001.NRL FUSE BRD MNT 1A 125VAC/VDC 2SMD Littelfuse Inc.	3,919 In Stock	1 : £1.48000 Cut Tape (CT) 5,000 : £0.61007 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)
0452008.MRL FUSE BRD MNT 8A 72VAC 60VDC 2SMD Littelfuse Inc.	15,445 In Stock	1 : £1.48000 Cut Tape (CT) 1,000 : £0.87338 Tape & Reel (TR)	NANO²® 452	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	8 A	72 V	60 V	Slow Blow	2-SMD, Square End Block	50A	137.34	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)
0452007.MRL FUSE BRD MNT 7A 72VAC 60VDC 2SMD Littelfuse Inc.	3,308 In Stock	1 : £1.96000 Cut Tape (CT) 1,000 : £0.87338 Tape & Reel (TR)	NANO²® 452	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, UR	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0452012.MRL FUSE BRD MNT 12A 72VAC 60VDC SMD Littelfuse Inc.	2,725 In Stock	1 : £1.96000 Cut Tape (CT) 1,000 : £0.87338 Tape & Reel (TR)	NANO²® 452	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	12 A	72 V	60 V	Slow Blow	2-SMD, Square End Block	50A	260.46	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)
0452004.NRL FUSE BRD MNT 4A 125VAC/VDC 2SMD Littelfuse Inc.	28,018 In Stock	1 : £1.47000 Cut Tape (CT) 5,000 : £0.61007 Tape & Reel (TR)	NANO²® 452	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	125 V	125 V	Slow Blow	2-SMD, Square End Block	50A	34.4	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)
0452002.NRL FUSE BRD MNT 2A 125VAC/VDC 2SMD Littelfuse Inc.	8,078 In Stock	1 : £1.09000 Cut Tape (CT) 5,000 : £0.61007 Tape & Reel (TR)	NANO²® 452	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	2 A	125 V	125 V	Slow Blow	2-SMD, Square End Block	50A	8.2	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)
0452005.MRSN FUSE BRD MNT 5A 125VAC/VDC 2SMD Littelfuse Inc.	7,015 In Stock	1 : £1.36000 Cut Tape (CT) 1,000 : £0.56668 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, 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)
0452002.MRSN FUSE BRD MNT 2A 125VAC/VDC 2SMD Littelfuse Inc.	690 In Stock	1 : £1.36000 Cut Tape (CT) 1,000 : £0.58787 Tape & Reel (TR)	NANO²® 452	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	2 A	125 V	125 V	Slow Blow	2-SMD, Square End Block	50A	8.2	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)
0452.500NRL FUSE BRD MT 500MA 125VAC/VDC SMD Littelfuse Inc.	184 In Stock	1 : £1.40000 Cut Tape (CT) 5,000 : £0.61007 Tape & Reel (TR) 5,000 : £0.47581 Tape & Reel (TR)	NANO²® 452	Tape & Reel (TR) Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	500 mA	125 V	125 V	Slow Blow	2-SMD, Square End Block	50A	0.24	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)
0452003.MRSN FUSE BOARD MOUNT 3A 125VAC 2SMD Littelfuse Inc.	1,343 In Stock	1 : £1.44000 Cut Tape (CT) 1,000 : £0.56668 Tape & Reel (TR)	NANO²® 452	Tape & Reel (TR) Cut Tape (CT)	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	3 A	125 V	-	Slow Blow	2-SMD, Square End Block	50A	20.16	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)
0452.750MRL FUSE BRD MT 750MA 125VAC/VDC SMD Littelfuse Inc.	4,016 In Stock	1 : £1.45000 Cut Tape (CT) 1,000 : £0.66136 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)
0452.375MRL FUSE BRD MT 375MA 125VAC/VDC SMD Littelfuse Inc.	2,975 In Stock	1 : £1.45000 Cut Tape (CT) 1,000 : £0.65939 Tape & Reel (TR)	NANO²® 452	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)
045203.5MRL FUSE BRD MNT 3.5A 125VAC/VDC SMD Littelfuse Inc.	2,247 In Stock	1 : £1.45000 Cut Tape (CT) 1,000 : £0.65939 Tape & Reel (TR)	NANO²® 452	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, UR	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0452007.NRL FUSE BRD MNT 7A 72VAC 60VDC 2SMD Littelfuse Inc.	8,074 In Stock	1 : £1.52000 Cut Tape (CT) 5,000 : £0.84927 Tape & Reel (TR)	NANO²® 452	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, 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.NRL FUSE BRD MNT 3A 125VAC/VDC 2SMD Littelfuse Inc.	16,483 In Stock	1 : £1.56000 Cut Tape (CT) 5,000 : £0.61007 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 0.116" H (6.10mm x 2.69mm x 2.94mm)
0452005.NRL FUSE BRD MNT 5A 125VAC/VDC 2SMD Littelfuse Inc.	2,667 In Stock	1 : £1.56000 Cut Tape (CT) 5,000 : £0.61007 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)
045203.5NRL FUSE BRD MNT 3.5A 125VAC/VDC SMD Littelfuse Inc.	1,323 In Stock	1 : £1.56000 Cut Tape (CT) 5,000 : £0.61007 Tape & Reel (TR)	NANO²® 452	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, 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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