4 A Fuses

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of 1,117

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

0685T4000-01 FUSE BRD MNT 4A 63VAC 63VDC 1206 Bel Fuse Inc.	125,304 In Stock	1 : $0.32000 Cut Tape (CT) 5,000 : $0.13680 Tape & Reel (TR)	C1T	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	63 V	63 V	Slow Blow	1206 (3216 Metric)	50A	2.56	AEC-Q200, CE, cURus	-55°C ~ 125°C	-	0.126" L x 0.062" W x 0.025" H (3.20mm x 1.58mm x 0.63mm)
C1Q 4 FUSE BOARD MOUNT 4A 125VAC 63VDC Bel Fuse Inc.	67,728 In Stock	1 : $0.33000 Cut Tape (CT) 5,000 : $0.14196 Tape & Reel (TR)	C1Q	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	125 V	63 V	Fast Blow	1206 (3216 Metric)	100A AC, 50A DC	0.038	CE, CSA, cULus	-55°C ~ 125°C	-	0.126" L x 0.062" W x 0.023" H (3.20mm x 1.58mm x 0.58mm)
0680L4000-05 FUSE BRD MNT 4A 125VAC/VDC 2SMD Bel Fuse Inc.	86,771 In Stock	1 : $0.63000 Cut Tape (CT) 5,000 : $0.25361 Tape & Reel (TR)	0680L	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 AC, 100A DC	24	AEC-Q200, CE, cURus	-55°C ~ 125°C	-	0.240" L x 0.100" W x 0.100" H (6.10mm x 2.54mm x 2.54mm)
SF-0603SP400M-2 FUSE BOARD MOUNT 4A 32VDC 0603 Bourns Inc.	12,955 In Stock	1 : $0.69000 Cut Tape (CT) 4,000 : $0.28222 Tape & Reel (TR)	SinglFuse™ SF-0603SPxxxM	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	-	32 V	Slow Blow	0603 (1608 Metric)	50A	2.3	-	-55°C ~ 150°C	-	0.063" L x 0.031" W x 0.031" H (1.60mm x 0.80mm x 0.80mm)
3403.0172.24 FUSE BRD MT 4A 250VAC 125VDC SMD SCHURTER Inc.	37,465 In Stock	1 : $0.66000 Cut Tape (CT) 2,000 : $0.57875 Tape & Reel (TR)	UMT 250	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	250 V	125 V	Slow Blow	2-SMD, Square End Block	200A AC, 35A DC	26	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)
5ST 4-R FUSE GLASS 4A 250VAC 5X20MM Bel Fuse Inc.	31,923 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	4 A	250 V	-	Slow Blow	5mm x 20mm	40A	56	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
0454004.MR FUSE BRD MNT 4A 125VAC/VDC 2SMD Littelfuse Inc.	19,433 In Stock	1 : $1.77000 Cut Tape (CT) 1,000 : $0.80296 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)
37014000410 FUSE BOARD MNT 4A 250VAC RADIAL Littelfuse Inc.	36,490 In Stock	1 : $0.89000 Bulk	TR5® 370	Bulk	Active	Through Hole	Board Mount (Cartridge Style Excluded)	4 A	250 V	-	Fast Blow	Radial, Can, Vertical	40A	6.7	CCC, cURus, PSE, SEMKO, VDE	-40°C ~ 85°C	-	0.335" Dia x 0.315" H (8.50mm x 8.00mm)
3404.2472.22 FUSE BRD MT 4A 250VAC 125VDC SMD SCHURTER Inc.	8,064 In Stock	1 : $1.08000 Cut Tape (CT) 1,000 : $0.95750 Tape & Reel (TR)	UMK 250	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	250 V	125 V	Fast Blow	2-SMD, Square End Block with Clip	200A AC, 100A DC	9.4	cURus, VDE	-40°C ~ 85°C	-	0.445" L x 0.165" W x 0.157" H (11.30mm x 4.20mm x 4.00mm)
3404.2422.11 FUSE BRD MT 4A 277VAC 250VDC SMD SCHURTER Inc.	17,830 In Stock	1 : $1.21000 Strip	UMZ 250	Strip	Active	Requires Holder, Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	277 V	250 V	Slow Blow	2-SMD, Square End Block with Clip	200A AC, 35A DC	26	cURus, VDE	-40°C ~ 85°C	-	0.445" L x 0.165" W x 0.157" H (11.30mm x 4.20mm x 4.00mm)
0218004.HXP FUSE GLASS 4A 250VAC 5X20MM Littelfuse Inc.	4,232 In Stock	1 : $1.28000 Bulk	218	Bulk	Active	Requires Holder	Cartridge, Glass	4 A	250 V	-	Slow Blow	5mm x 20mm	40A	69.1	CCC, CE, CSA, K-MARK, PSE, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.205" Dia x 0.787" L (5.20mm x 20.00mm)
0154004.DR FUSE BRD MNT 4A 125VAC/VDC 2SMD Littelfuse Inc.	4,952 In Stock	1 : $2.95000 Cut Tape (CT) 1,500 : $1.28876 Tape & Reel (TR)	OMNI-BLOK® 154	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Requires Holder, Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	125 V	125 V	Fast Blow	2-SMD, Square End Block with Holder	50A	3.152	PSE, UL	-55°C ~ 125°C	-	0.383" L x 0.198" W x 0.150" H (9.73mm x 5.03mm x 3.81mm)
0157004.DR FUSE BRD MNT 4A 125VAC/VDC 2SMD Littelfuse Inc.	2,639 In Stock	1 : $2.95000 Cut Tape (CT) 1,500 : $1.28876 Tape & Reel (TR)	NANO²® 157	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Requires Holder, Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	125 V	125 V	Fast Blow	2-SMD, Square End Block with Clip	50A	3.152	cULus, PSE	-55°C ~ 125°C	-	0.256" L x 0.146" W x 0.154" H (6.50mm x 3.70mm x 3.90mm)
46214000000 FUSE BOARD MNT 4A 350VAC/VDC SMD Littelfuse Inc.	3,378 In Stock	1 : $2.98000 Cut Tape (CT) 1,500 : $1.29945 Tape & Reel (TR)	NANO²® 462	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	350 V	350 V	Slow Blow	Nonstandard SMD	100A	21	UL, UMF, VDE	-40°C ~ 85°C	-	0.413" L x 0.177" W x 0.177" H (10.50mm x 4.50mm x 4.50mm)
0154004.DRT FUSE BRD MNT 4A 125VAC/VDC 2SMD Littelfuse Inc.	14,862 In Stock	1 : $3.64000 Cut Tape (CT) 1,500 : $1.63633 Tape & Reel (TR)	OMNI-BLOK® 154T	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Requires Holder, Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	125 V	125 V	Slow Blow	2-SMD, Square End Block with Holder	50A	34.4	PSE, UL	-55°C ~ 125°C	-	0.383" L x 0.198" W x 0.150" H (9.73mm x 5.03mm x 3.81mm)
0477004.MXP FUSE CERM 4A 500VAC 400VDC 5X20 Littelfuse Inc.	64,108 In Stock	1 : $1.90000 Bulk	477	Bulk	Active	Requires Holder	Cartridge, Ceramic	4 A	500 V	400 V	Slow Blow	5mm x 20mm	100A AC, 500A DC	52.48	cULus, PSE, SEMKO	-55°C ~ 125°C	-	0.205" Dia x 0.787" L (5.20mm x 20.00mm)
0885004.DR FUSE BOARD MOUNT 4A 450VDC 2SMD Littelfuse Inc.	5,051 In Stock 12,000 Factory	1 : $4.72000 Cut Tape (CT) 1,500 : $2.11643 Tape & Reel (TR)	NANO²® 885	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	-	450 V	-	2-SMD, Square End Block	100A	21.3	cURus, TUV	-40°C ~ 85°C	-	0.428" L x 0.188" W x 0.188" H (10.86mm x 4.78mm x 4.78mm)
0477004.MXEP FUSE CERM 4A 500VAC 400VDC 5X20 Littelfuse Inc.	20,680 In Stock	1 : $2.65000 Bulk	477	Bulk	Active	Through Hole	Cartridge, Ceramic	4 A	500 V	400 V	Slow Blow	5mm x 20mm (Axial)	100A AC, 500A DC	52.48	cULus, PSE, SEMKO	-55°C ~ 125°C	-	0.228" Dia x 0.886" L (5.80mm x 22.50mm)
BK/PCB-4-R FUSE BOARD MNT 4A 450VDC RADIAL Eaton - Electronics Division	4,124 In Stock	1 : $3.02000 Bulk	PC-Tron®	Bulk	Active	Through Hole	Board Mount (Cartridge Style Excluded)	4 A	-	450 V	Fast Blow	Radial, Box	2.5kA	-	CSA, UL	-	-	0.350" L x 0.184" W x 0.345" H (8.89mm x 4.67mm x 8.76mm)
ERB-RD4R00X FUSE BOARD MOUNT 4A 32VDC 0402 Panasonic Electronic Components	30,981 In Stock	1 : $0.27000 Cut Tape (CT) 10,000 : $0.10930 Tape & Reel (TR)	ERB-RD	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	-	32 V	Fast Blow	0402 (1005 Metric)	35A	-	cUL	-40°C ~ 125°C	-	0.040" L x 0.020" W x 0.019" H (1.00mm x 0.50mm x 0.48mm)
ERB-RE4R00V FUSE BOARD MOUNT 4A 32VDC 0603 Panasonic Electronic Components	26,848 In Stock	1 : $0.27000 Cut Tape (CT) 5,000 : $0.11742 Tape & Reel (TR)	ERB-RE	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	-	32 V	Fast Blow	0603 (1608 Metric)	50A	-	cUL, UL	-40°C ~ 125°C	-	0.063" L x 0.032" W x 0.025" H (1.60mm x 0.81mm x 0.63mm)
C1F 4 FUSE BRD MT 4A 125VAC 63VDC 1206 Bel Fuse Inc.	53,554 In Stock	1 : $0.30000 Cut Tape (CT) 5,000 : $0.12681 Tape & Reel (TR)	C1F	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	125 V	63 V	Fast Blow	1206 (3216 Metric)	100A AC, 50A DC	0.336	AEC-Q200, cURus	-55°C ~ 125°C	-	0.126" L x 0.062" W (3.20mm x 1.58mm)
0686F4000-01 FUSE BRD MNT 4A 32VAC 63VDC 0603 Bel Fuse Inc.	63,682 In Stock	1 : $0.31000 Cut Tape (CT) 5,000 : $0.13438 Tape & Reel (TR)	C2F	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	32 V	63 V	Fast Blow	0603 (1608 Metric)	35A AC, 50A DC	0.11	AEC-Q200, cURus	-55°C ~ 125°C	-	0.063" L x 0.032" W x 0.020" H (1.60mm x 0.81mm x 0.52mm)
C2Q 4 FUSE BRD MNT 4A 32VAC 63VDC 0603 Bel Fuse Inc.	199,324 In Stock	1 : $0.32000 Cut Tape (CT) 5,000 : $0.13862 Tape & Reel (TR)	C2Q	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	4 A	32 V	63 V	Fast Blow	0603 (1608 Metric)	35A AC, 50A DC	0.63	CE, cURus	-55°C ~ 125°C	-	0.063" L x 0.032" W x 0.019" H (1.60mm x 0.82mm x 0.48mm)
0679L4000-05 FUSE BRD MNT 4A 125VAC/VDC 2SMD Bel Fuse Inc.	97,161 In Stock	1 : $0.34000 Cut Tape (CT) 5,000 : $0.14756 Tape & Reel (TR)	0679L	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 AC, 300A DC	3.5	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)

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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.

4 A Fuses

4 A Fuses

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