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
0452004.MRL FUSE BRD MNT 4A 125VAC/VDC 2SMD Littelfuse Inc.	41,094 In Stock	1 : £2.13000 Cut Tape (CT) 1,000 : £0.85754 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)
045202.5MRL FUSE BRD MNT 2.5A 125VAC/VDC SMD Littelfuse Inc.	19,625 In Stock	1 : £2.13000 Cut Tape (CT) 1,000 : £0.85754 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)
0452003.MRL FUSE BRD MNT 3A 125VAC/VDC 2SMD Littelfuse Inc.	18,387 In Stock	1 : £2.13000 Cut Tape (CT) 1,000 : £0.85754 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)
0452005.MRL FUSE BRD MNT 5A 125VAC/VDC 2SMD Littelfuse Inc.	9,624 In Stock	1 : £2.13000 Cut Tape (CT) 1,000 : £0.85754 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)
0452002.MRL FUSE BRD MNT 2A 125VAC/VDC 2SMD Littelfuse Inc.	6,867 In Stock	1 : £2.13000 Cut Tape (CT) 1,000 : £0.85754 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)
0452.750MRL FUSE BRD MT 750MA 125VAC/VDC SMD Littelfuse Inc.	6,197 In Stock	1 : £2.13000 Cut Tape (CT) 1,000 : £0.85754 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.MRL FUSE BRD MNT 1A 125VAC/VDC 2SMD Littelfuse Inc.	5,800 In Stock	1 : £2.13000 Cut Tape (CT) 1,000 : £0.85754 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)
045201.5MRL FUSE BRD MNT 1.5A 125VAC/VDC SMD Littelfuse Inc.	1,951 In Stock	1 : £2.13000 Cut Tape (CT) 1,000 : £0.85754 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)
0452.500MRL FUSE BRD MT 500MA 125VAC/VDC SMD Littelfuse Inc.	1,603 In Stock	1 : £2.13000 Cut Tape (CT) 1,000 : £0.85754 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)
0452008.MRL FUSE BRD MNT 8A 72VAC 60VDC 2SMD Littelfuse Inc.	18,371 In Stock	1 : £2.81000 Cut Tape (CT) 1,000 : £1.13220 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.	12,286 In Stock	1 : £2.81000 Cut Tape (CT) 1,000 : £1.13220 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.	4,293 In Stock	1 : £2.81000 Cut Tape (CT) 1,000 : £1.13220 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)
0452005.MRSN FUSE BRD MNT 5A 125VAC/VDC 2SMD Littelfuse Inc.	5,983 In Stock	1 : £1.80000 Cut Tape (CT) 1,000 : £0.72438 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.	1,469 In Stock	1 : £1.80000 Cut Tape (CT) 1,000 : £0.72438 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)
0452003.MRSN FUSE BOARD MOUNT 3A 125VAC 2SMD Littelfuse Inc.	849 In Stock	1 : £1.80000 Cut Tape (CT) 1,000 : £0.72438 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)
0452004.NRL FUSE BRD MNT 4A 125VAC/VDC 2SMD Littelfuse Inc.	27,439 In Stock	1 : £2.13000 Cut Tape (CT) 5,000 : £0.81747 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)
0452003.NRL FUSE BRD MNT 3A 125VAC/VDC 2SMD Littelfuse Inc.	13,798 In Stock	1 : £2.13000 Cut Tape (CT) 5,000 : £0.81747 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)
0452.500NRL FUSE BRD MT 500MA 125VAC/VDC SMD Littelfuse Inc.	2,271 In Stock 5,000 Alternate Stock	1 : £2.13000 Cut Tape (CT) 5,000 : £0.81747 Tape & Reel (TR) 5,000 : £0.44635 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)
0452002.NRL FUSE BRD MNT 2A 125VAC/VDC 2SMD Littelfuse Inc.	6,125 In Stock	1 : £2.13000 Cut Tape (CT) 5,000 : £0.81747 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)
0452.375MRL FUSE BRD MT 375MA 125VAC/VDC SMD Littelfuse Inc.	5,703 In Stock	1 : £2.13000 Cut Tape (CT) 1,000 : £0.85754 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)
0452005.NRL FUSE BRD MNT 5A 125VAC/VDC 2SMD Littelfuse Inc.	5,362 In Stock	1 : £2.13000 Cut Tape (CT) 5,000 : £0.81747 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)
0452001.NRL FUSE BRD MNT 1A 125VAC/VDC 2SMD Littelfuse Inc.	5,084 In Stock	1 : £2.13000 Cut Tape (CT) 5,000 : £0.81747 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)
045202.5NRL FUSE BRD MNT 2.5A 125VAC/VDC SMD Littelfuse Inc.	4,736 In Stock	1 : £2.13000 Cut Tape (CT) 5,000 : £0.81747 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)
045203.5MRL FUSE BRD MNT 3.5A 125VAC/VDC SMD Littelfuse Inc.	603 In Stock	1 : £2.13000 Cut Tape (CT) 1,000 : £0.85754 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)
0452010.NRL FUSE 125V SB NANO2 W/AU CAPS ROH Littelfuse Inc.	4,828 In Stock	1 : £2.81000 Cut Tape (CT) 5,000 : £1.11027 Tape & Reel (TR)	NANO²® 452	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	10 A	72 V	60 V	Slow Blow	2-SMD, Square End Block	50A	195.0	CE, CSA, cURus, TUV, UKCA	-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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