Circuit Protection | Fuses | Electronic Components Distributor DigiKey

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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
0679L8000-05 FUSE BRD MNT 8A 125VAC/VDC 2SMD Bel Fuse Inc.	4,783 In Stock	1 : $0.39000 Cut Tape (CT) 5,000 : $0.14356 Tape & Reel (TR)	0679L	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 AC, 300A DC	14.1	AEC-Q200, cURus	-55°C ~ 125°C	-	0.240" L x 0.100" W x 0.110" H (6.10mm x 2.54mm x 2.79mm)
0679L3000-05 FUSE BRD MNT 3A 125VAC/VDC 2SMD Bel Fuse Inc.	1,016 In Stock	1 : $0.39000 Cut Tape (CT) 5,000 : $0.11270 Tape & Reel (TR)	0679L	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 AC, 300A DC	1.8	AEC-Q200, cURus	-55°C ~ 125°C	-	0.240" L x 0.100" W x 0.110" H (6.10mm x 2.54mm x 2.79mm)
SF-1206S050-2 FUSE BOARD MNT 500MA 63VDC 1206 Bourns Inc.	13,750 In Stock	1 : $0.61000 Cut Tape (CT) 5,000 : $0.22525 Tape & Reel (TR)	SinglFuse™ SF-1206S	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	500 mA	-	63 V	Slow Blow	1206 (3216 Metric)	50A	0.03	UL	-20°C ~ 105°C	-	0.122" L x 0.061" W x 0.024" H (3.10mm x 1.55mm x 0.60mm)
SF-0603FP100F-2 FUSE BRD MNT 1A 65VAC/65VDC 0603 Bourns Inc.	15,750 In Stock	1 : $0.71000 Cut Tape (CT) 8,000 : $0.24888 Tape & Reel (TR)	SinglFuse™ SF-0603FPxxxF	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1 A	65 V	65 V	Fast Blow	0603 (1608 Metric)	13A AC, 50A DC	0.042	UL	-55°C ~ 90°C	-	0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.30mm)
3403.0169.24 FUSE BRD MT 2A 250VAC 125VDC SMD SCHURTER Inc.	18,318 In Stock	1 : $0.74000 Cut Tape (CT) 2,000 : $0.68844 Tape & Reel (TR)	UMT 250	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	2 A	250 V	125 V	Slow Blow	2-SMD, Square End Block	200A AC, 35A DC	7.3	CQC, cURus, KC, PSE/JET, UL, VDE	-55°C ~ 125°C	-	0.398" L x 0.118" W x 0.118" H (10.10mm x 3.00mm x 3.00mm)
3403.0156.24 FUSE BRD MNT 100MA 250VAC 125VDC SCHURTER Inc.	1,430 In Stock	1 : $0.74000 Cut Tape (CT) 2,000 : $0.60750 Tape & Reel (TR)	UMT 250	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	100 mA	250 V	125 V	Slow Blow	2-SMD, Square End Block	200A AC, 35A DC	0.04	CQC, cURus, KC, VDE	-55°C ~ 125°C	-	0.398" L x 0.118" W x 0.118" H (10.10mm x 3.00mm x 3.00mm)
SF-0603S600-2 FUSE BRD MNT 6A 35VAC/32VDC 0603 Bourns Inc.	5,000 In Stock	1 : $0.82000 Cut Tape (CT) 5,000 : $0.30492 Tape & Reel (TR)	SinglFuse™ SF-0603S	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	6 A	35 V	32 V	Slow Blow	0603 (1608 Metric)	50A	2.7	UL	-20°C ~ 105°C	-	0.063" L x 0.031" W x 0.018" H (1.60mm x 0.80mm x 0.45mm)
SF-2410SP200W-2 FUSE BRD MT 2A 250VAC/125DC 2410 Bourns Inc.	1,995 In Stock	1 : $0.88000 Cut Tape (CT) 2,000 : $0.36284 Tape & Reel (TR)	SinglFuse™ SF-2410SPxxxW	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	2 A	250 V	125 V	Slow Blow	2410 (6125 Metric)	100A AC, 50A DC	3.0	UL	-55°C ~ 125°C	-	0.240" L x 0.098" W x 0.085" H (6.10mm x 2.49mm x 2.16mm)
SF-0402S400-2 FUSE BOARD MOUNT 4A 24VDC 0402 Bourns Inc.	10,000 In Stock	1 : $0.90000 Cut Tape (CT) 10,000 : $0.30790 Tape & Reel (TR)	SinglFuse™ SF-0402S	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	-	24 V	Slow Blow	0402 (1005 Metric)	35A	0.1145	UL	-40°C ~ 105°C	-	0.039" L x 0.020" W x 0.014" H (1.00mm x 0.52mm x 0.35mm)
0466001.NR FUSE BRD MNT 1A 63VAC 63VDC 1206 Littelfuse Inc.	1,881 In Stock	1 : $1.01000 Cut Tape (CT) 5,000 : $0.35062 Tape & Reel (TR)	SlimLine™ 466	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1 A	63 V	63 V	Fast Blow	1206 (3216 Metric)	50A	0.0423	CSA, UL	-55°C ~ 90°C	-	0.125" L x 0.060" W x 0.023" H (3.18mm x 1.52mm x 0.58mm)
TR/3216FF7-R FUSE BRD MNT 7A 32VAC 32VDC 1206 Eaton - Electronics Division	757 In Stock	1 : $1.04000 Cut Tape (CT) 3,000 : $0.42844 Tape & Reel (TR)	Chip 3216FF	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	7 A	32 V	32 V	Fast Blow	1206 (3216 Metric)	50A	3.623	CSA, UL	-55°C ~ 125°C	-	0.126" L x 0.063" W x 0.035" H (3.20mm x 1.60mm x 0.90mm)
0251005.NRT1L FUSE BRD MNT 5A 125VAC/VDC AXIAL Littelfuse Inc.	5,000 In Stock	1 : $1.05000 Cut Tape (CT) 5,000 : $0.41000 Tape & Reel (TR)	PICO® II 251	Tape & Reel (TR) Cut Tape (CT)	Active	Through Hole	Board Mount (Cartridge Style Excluded)	5 A	125 V	125 V	Fast Blow	Axial	50A AC, 300A DC	4.14	CCC, CSA, cURus, PSE, TUV	-55°C ~ 125°C	-	0.125" Dia x 0.280" L (3.18mm x 7.10mm)
0251004.MRT1L FUSE BRD MNT 4A 125VAC/VDC AXIAL Littelfuse Inc.	237 In Stock	1 : $1.06000 Cut Tape (CT) 1,000 : $0.47273 Tape & Reel (TR)	PICO® II 251	Tape & Reel (TR) Cut Tape (CT)	Active	Through Hole	Board Mount (Cartridge Style Excluded)	4 A	125 V	125 V	Fast Blow	Axial	50A AC, 300A DC	2.45	CCC, CSA, cURus, PSE, TUV	-55°C ~ 125°C	-	0.110" Dia x 0.280" L (2.80mm x 7.11mm)
0467.250NRHF FUSE BRD MT 250MA 32VAC 32VDC Littelfuse Inc.	1,166 In Stock	1 : $1.13000 Cut Tape (CT) 5,000 : $0.44188 Tape & Reel (TR)	467	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	250 mA	32 V	32 V	Fast Blow	0603 (1608 Metric), Concave	50A	0.0014	CSA, UR	-55°C ~ 90°C	-	0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm)
0678H9300-02 FUSE BRD MT 30A 250VAC 125VDC Bel Fuse Inc.	372 In Stock	1 : $1.13000 Cut Tape (CT) 2,000 : $0.41101 Tape & Reel (TR)	0678H	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	30 A	250 V	125 V	-	2-SMD, Square End Block	100A AC, 1kA DC	2000.0	AEC-Q200, cURus	-55°C ~ 125°C	-	0.386" L x 0.120" W x 0.120" H (9.80mm x 3.05mm x 3.05mm)
TR/3216FF250-R FUSE BRD MT 250MA 32VAC 63VDC Eaton - Electronics Division	579 In Stock	1 : $1.21000 Cut Tape (CT) 3,000 : $0.49896 Tape & Reel (TR)	Chip 3216FF	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	250 mA	32 V	63 V	Fast Blow	1206 (3216 Metric)	50A	3.8E-4	CSA, UL	-55°C ~ 125°C	-	0.126" L x 0.063" W x 0.035" H (3.20mm x 1.60mm x 0.90mm)
TR/3216FF1.5-R FUSE BRD MT 1.5A 32VAC 63VDC Eaton - Electronics Division	548 In Stock	1 : $1.25000 Cut Tape (CT) 3,000 : $0.51493 Tape & Reel (TR)	Chip 3216FF	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1.5 A	32 V	63 V	Fast Blow	1206 (3216 Metric)	50A	0.093	CSA, UL	-55°C ~ 125°C	-	0.126" L x 0.063" W x 0.035" H (3.20mm x 1.60mm x 0.90mm)
0468002.NR FUSE BRD MNT 2A 63VAC 63VDC 1206 Littelfuse Inc.	5,000 In Stock	1 : $1.33000 Cut Tape (CT) 5,000 : $0.52838 Tape & Reel (TR)	SlimLine™ 468	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	2 A	63 V	63 V	Slow Blow	1206 (3216 Metric)	35A AC, 50A DC	0.506	CSA, UL	-55°C ~ 90°C	-	0.125" L x 0.060" W x 0.023" H (3.18mm x 1.52mm x 0.58mm)
046801.5NR FUSE BRD MNT 1.5A 63VAC/VDC 1206 Littelfuse Inc.	4,770 In Stock	1 : $1.33000 Cut Tape (CT) 5,000 : $0.52838 Tape & Reel (TR)	SlimLine™ 468	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1.5 A	63 V	63 V	Slow Blow	1206 (3216 Metric)	50A	0.288	CSA, UL	-55°C ~ 90°C	-	0.125" L x 0.060" W x 0.023" H (3.18mm x 1.52mm x 0.58mm)
0468.500NR FUSE BOARD MOUNT 500MA 63VAC/VDC Littelfuse Inc.	3,900 In Stock	1 : $1.33000 Cut Tape (CT) 5,000 : $0.52838 Tape & Reel (TR)	SlimLine™ 468	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	500 mA	63 V	63 V	Slow Blow	1206 (3216 Metric)	50A	0.031	CSA, UL	-55°C ~ 90°C	-	0.125" L x 0.060" W x 0.023" H (3.18mm x 1.52mm x 0.58mm)
0451001.MRL FUSE BRD MNT 1A 125VAC/VDC 2SMD Littelfuse Inc.	1,798 In Stock	1 : $1.41000 Cut Tape (CT) 1,000 : $0.62888 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)
0453003.MR FUSE BRD MNT 3A 125VAC/VDC 2SMD Littelfuse Inc.	210 In Stock	1 : $1.41000 Cut Tape (CT) 1,000 : $0.62989 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)
045101.5MRL FUSE BRD MNT 1.5A 125VAC/VDC SMD Littelfuse Inc.	140 In Stock	1 : $1.41000 Cut Tape (CT) 1,000 : $0.62888 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)
3403.0279.23 FUSE BRD MNT 3.15A 277VAC 125VDC SCHURTER Inc.	12,000 In Stock	1 : $1.46000 Cut Tape (CT) 1,500 : $1.31626 Tape & Reel (TR)	UMT-H	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	3.15 A	277 V	125 V	Slow Blow	2-SMD, Square End Block	1.5kA	43.0	CQC, cURus, VDE	-55°C ~ 125°C	-	0.606" L x 0.211" W x 0.211" H (15.40mm x 5.35mm x 5.35mm)
3403.0274.23 FUSE BRD MT 1A 277VAC 250VDC SMD SCHURTER Inc.	784 In Stock	1 : $1.46000 Cut Tape (CT) 1,500 : $1.31626 Tape & Reel (TR)	UMT-H	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1 A	277 V	250 V	Slow Blow	2-SMD, Square End Block	1.5kA	3.44	CQC, cURus, VDE	-55°C ~ 125°C	-	0.606" L x 0.211" W x 0.211" H (15.40mm x 5.35mm x 5.35mm)

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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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