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

0454003.MR FUSE BRD MNT 3A 125VAC/VDC 2SMD Littelfuse Inc.	7,198 In Stock	1 : $2.30000 Cut Tape (CT) 1,000 : $1.04187 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)
0454.750MR FUSE BRD MT 750MA 125VAC/VDC SMD Littelfuse Inc.	2,234 In Stock	1 : $2.30000 Cut Tape (CT) 1,000 : $1.04187 Tape & Reel (TR)	NANO²® 454	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, 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.	2 In Stock	1 : $2.30000 Cut Tape (CT) 1,000 : $1.04187 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)
0454007.MR FUSE BRD MNT 7A 72VAC 60VDC 2SMD Littelfuse Inc.	6,969 In Stock	1 : $2.43000 Cut Tape (CT) 1,000 : $0.99014 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)
0454005.MR FUSE BRD MNT 5A 125VAC/VDC 2SMD Littelfuse Inc.	2,073 In Stock	1 : $2.43000 Cut Tape (CT) 1,000 : $1.10670 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)
0454002.MR FUSE BRD MNT 2A 125VAC/VDC 2SMD Littelfuse Inc.	3,519 In Stock	1 : $2.55000 Cut Tape (CT) 1,000 : $1.04187 Tape & Reel (TR)	NANO²® 454	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, UL	-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.	3,052 In Stock	1 : $2.55000 Cut Tape (CT) 1,000 : $1.04187 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)
0454001.MR FUSE BRD MNT 1A 125VAC/VDC 2SMD Littelfuse Inc.	954 In Stock	1 : $2.43000 Cut Tape (CT) 1,000 : $1.10670 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)
0454004.MR FUSE BRD MNT 4A 125VAC/VDC 2SMD Littelfuse Inc.	12,522 In Stock	1 : $2.55000 Cut Tape (CT) 1,000 : $1.04187 Tape & Reel (TR)	NANO²® 454	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, 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.NR FUSE BRD MNT 5A 125VAC/VDC 2SMD Littelfuse Inc.	8,540 In Stock	1 : $2.55000 Cut Tape (CT) 5,000 : $1.00430 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)
045403.5MR FUSE BRD MNT 3.5A 125VAC/VDC SMD Littelfuse Inc.	5,494 In Stock	1 : $2.55000 Cut Tape (CT) 1,000 : $1.04187 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)
045402.5MR FUSE BRD MNT 2.5A 125VAC/VDC SMD Littelfuse Inc.	2,634 In Stock	1 : $2.55000 Cut Tape (CT) 1,000 : $1.04187 Tape & Reel (TR)	NANO²® 454	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, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0454012.MR FUSE BRD MNT 12A 72VAC 60VDC SMD Littelfuse Inc.	2,117 In Stock 22,000 Factory	1 : $2.97000 Cut Tape (CT) 1,000 : $1.34047 Tape & Reel (TR)	NANO²® 454	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, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0454010.NR FUSE 125V SB NANO2 ROHS 10A Littelfuse Inc.	4,978 In Stock	1 : $2.97000 Cut Tape (CT) 1,000 : $1.34047 Tape & Reel (TR)	NANO²® 454	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)
045406.3NR FUSE 125V SB NANO2 ROHS 6.3A Littelfuse Inc.	4,902 In Stock	1 : $2.97000 Cut Tape (CT) 5,000 : $1.29214 Tape & Reel (TR)	NANO²® 454	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	6.3 A	72 V	60 V	Slow Blow	2-SMD, Square End Block	50A	64.0	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)
0454010.MR FUSE 125V SB NANO2 ROHS 10A Littelfuse Inc.	885 In Stock	1 : $2.97000 Cut Tape (CT) 1,000 : $1.34047 Tape & Reel (TR)	NANO²® 454	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)
045406.3MR FUSE 125V SB NANO2 ROHS 6.3A Littelfuse Inc.	975 In Stock	1 : $3.05000 Cut Tape (CT) 1,000 : $1.34047 Tape & Reel (TR)	NANO²® 454	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	6.3 A	72 V	60 V	Slow Blow	2-SMD, Square End Block	50A	64.0	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)
0454008.MR FUSE BRD MNT 8A 72VAC 60VDC 2SMD Littelfuse Inc.	1,065 In Stock	1 : $2.97000 Cut Tape (CT) 1,000 : $1.34047 Tape & Reel (TR)	NANO²® 454	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, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0454.500MR FUSE BRD MT 500MA 125VAC/VDC SMD Littelfuse Inc.	0 In Stock Check Lead Time	1 : $2.43000 Cut Tape (CT) 1,000 : $1.10670 Tape & Reel (TR)	NANO²® 454	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, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
045402.5NR FUSE BRD MNT 2.5A 125VAC/VDC SMD Littelfuse Inc.	0 In Stock Check Lead Time	5,000 : $1.01434 Tape & Reel (TR)	NANO²® 454	Tape & Reel (TR)	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, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
045401.5NR FUSE BRD MNT 1.5A 125VAC/VDC SMD Littelfuse Inc.	0 In Stock Check Lead Time	5,000 : $1.01434 Tape & Reel (TR)	NANO²® 454	Tape & Reel (TR)	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)
0454.500NR FUSE BRD MT 500MA 125VAC/VDC SMD Littelfuse Inc.	0 In Stock Check Lead Time	5,000 : $1.01434 Tape & Reel (TR)	NANO²® 454	Tape & Reel (TR)	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, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0454.750NR FUSE BRD MT 750MA 125VAC/VDC SMD Littelfuse Inc.	0 In Stock Check Lead Time	5,000 : $1.01434 Tape & Reel (TR)	NANO²® 454	Tape & Reel (TR)	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, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0454002.NR FUSE BRD MNT 2A 125VAC/VDC 2SMD Littelfuse Inc.	0 In Stock Check Lead Time	5,000 : $1.01434 Tape & Reel (TR)	NANO²® 454	Tape & Reel (TR)	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, UL	-55°C ~ 125°C	-	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0454.375NR FUSE BRD MT 375MA 125VAC/VDC SMD Littelfuse Inc.	0 In Stock Check Lead Time	5,000 : $1.01434 Tape & Reel (TR)	NANO²® 454	Tape & Reel (TR)	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, 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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Fuses

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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