1 A Fuses

Showing

of 1,210

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
MFU0603FF01000P500 FUSE BOARD MOUNT 1A 32VDC 0603 Vishay	49,928 In Stock	1 : £0.19000 Cut Tape (CT) 5,000 : £0.07129 Tape & Reel (TR)	MFU	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1 A	-	32 V	Fast Blow	0603 (1608 Metric)	50A	0.0028	IEC, UL	-55°C ~ 125°C	-	0.061" L x 0.033" W x 0.018" H (1.55mm x 0.85mm x 0.45mm)
0686F1000-01 FUSE BRD MNT 1A 32VAC 63VDC 0603 Bel Fuse Inc.	176,237 In Stock	1 : £0.30000 Cut Tape (CT) 5,000 : £0.11331 Tape & Reel (TR)	C2F	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1 A	32 V	63 V	Fast Blow	0603 (1608 Metric)	35A AC, 50A DC	0.0028	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)
C1F 1 FUSE BRD MT 1A 125VAC 63VDC 1206 Bel Fuse Inc.	9,041 In Stock	1 : £0.30000 Cut Tape (CT) 5,000 : £0.11326 Tape & Reel (TR)	C1F	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1 A	125 V	63 V	Fast Blow	1206 (3216 Metric)	100A AC, 50A DC	0.012	AEC-Q200, cURus	-55°C ~ 125°C	-	0.126" L x 0.062" W (3.20mm x 1.58mm)
C2Q 1 FUSE BRD MNT 1A 32VAC 63VDC 0603 Bel Fuse Inc.	84,959 In Stock	1 : £0.31000 Cut Tape (CT) 5,000 : £0.11621 Tape & Reel (TR)	C2Q	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1 A	32 V	63 V	Fast Blow	0603 (1608 Metric)	35A AC, 50A DC	0.036	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)
0685T1000-01 FUSE BRD MNT 1A 63VAC 63VDC 1206 Bel Fuse Inc.	381,181 In Stock	1 : £0.33000 Cut Tape (CT) 5,000 : £0.12045 Tape & Reel (TR)	C1T	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1 A	63 V	63 V	Slow Blow	1206 (3216 Metric)	50A	0.12	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)
0287001.PXCN FUSE AUTO 1A 32VDC BLADE ATO/ATC Littelfuse Inc.	32,113 In Stock 264,000 Factory	1 : £0.33000 Bulk	ATOF®	Bulk	Active	Requires Holder	Automotive	1 A	-	32 V	Fast Blow	Blade, ATO/ATC	1kA	0.4	UL	-40°C ~ 105°C	Black	0.752" L x 0.201" W x 0.484" H (19.10mm x 5.10mm x 12.30mm)
F0603E1R00FSTR FUSE BOARD MOUNT 1A 32VDC 0603 KYOCERA AVX	1,487 In Stock	1 : £0.33000 Cut Tape (CT) 3,000 : £0.12908 Tape & Reel (TR)	Accu-Guard® II	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1 A	-	32 V	Fast Blow	0603 (1608 Metric)	50A	0.008	cUL, UL	-55°C ~ 125°C	-	0.063" L x 0.032" W x 0.025" H (1.60mm x 0.81mm x 0.63mm)
F0402E1R00FSTR FUSE BOARD MOUNT 1A 32VDC 0402 KYOCERA AVX	13,490 In Stock	1 : £0.33000 Cut Tape (CT) 5,000 : £0.12355 Tape & Reel (TR)	Accu-Guard® II	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1 A	-	32 V	Fast Blow	0402 (1005 Metric)	50A	0.008	cUL, UL	-55°C ~ 125°C	-	0.039" L x 0.022" W x 0.016" H (1.00mm x 0.55mm x 0.40mm)
C1Q 1 FUSE BOARD MOUNT 1A 125VAC 63VDC Bel Fuse Inc.	3,799 In Stock	1 : £0.33000 Cut Tape (CT) 5,000 : £0.12413 Tape & Reel (TR)	C1Q	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1 A	125 V	63 V	Fast Blow	1206 (3216 Metric)	100A AC, 50A DC	9.6E-4	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)
0679L1000-05 FUSE BRD MNT 1A 125VAC/VDC 2SMD Bel Fuse Inc.	53,721 In Stock	1 : £0.36000 Cut Tape (CT) 5,000 : £0.13359 Tape & Reel (TR)	0679L	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 AC, 300A DC	0.54	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)
MFU0805FF01000P100 FUSE BOARD MOUNT 1A 32VDC 0805 Vishay	47,193 In Stock	1 : £0.39000 Cut Tape (CT) 1,000 : £0.17439 Tape & Reel (TR)	MFU	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1 A	-	32 V	Fast Blow	0805 (2012 Metric)	50A	0.0028	UL	-55°C ~ 125°C	-	0.079" L x 0.049" W x 0.018" H (2.00mm x 1.25mm x 0.45mm)
0697H1000-02 FUSE BRD MT 1A 350VAC 100VDC RAD Bel Fuse Inc.	15,435 In Stock	1 : £0.40000 Cut Tape (CT) 1,000 : £0.17892 Tape & Box (TB)	0697H	Cut Tape (CT) Tape & Box (TB)	Active	Through Hole	Board Mount (Cartridge Style Excluded)	1 A	350 V	100 V	Slow Blow	Radial, Box	100A AC, 65A DC	6.1	AEC-Q200, cURus	-55°C ~ 125°C	-	0.329" L x 0.157" W x 0.307" H (8.35mm x 4.00mm x 7.80mm)
0217001.MXP FUSE GLASS 1A 250VAC 5X20MM Littelfuse Inc.	43,997 In Stock	1 : £0.42000 Bulk	217	Bulk	Active	Requires Holder	Cartridge, Glass	1 A	250 V	-	Fast Blow	5mm x 20mm	35A	1.045	BSI, CE, CCC, CSA, KC, PSE, SEMKO, UR, VDE	-55°C ~ 125°C	-	0.205" Dia x 0.787" L (5.20mm x 20.00mm)
0312001.HXP FUSE GLASS 1A 250VAC 3AB 3AG Littelfuse Inc.	19,206 In Stock	1 : £0.48000 Bulk	312	Bulk	Active	Requires Holder	Cartridge, Glass	1 A	250 V	-	Fast Blow	3AB, 3AG, 1/4" x 1-1/4"	35A	0.76	CE, CSA, KC, PSE, UL	-55°C ~ 125°C	-	0.250" Dia x 1.250" L (6.35mm x 31.75mm)
0217001.HXP FUSE GLASS 1A 250VAC 5X20MM Littelfuse Inc.	37,769 In Stock	1 : £0.50000 Bulk	217	Bulk	Active	Requires Holder	Cartridge, Glass	1 A	250 V	-	Fast Blow	5mm x 20mm	35A	1.045	BSI, CE, CCC, CSA, KC, PSE, SEMKO, UR, VDE	-55°C ~ 125°C	-	0.205" Dia x 0.787" L (5.20mm x 20.00mm)
SF-0603FP100F-2 FUSE BRD MNT 1A 65VAC/65VDC 0603 Bourns Inc.	1,895 In Stock	1 : £0.56000 Cut Tape (CT) 8,000 : £0.19364 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)
SF-0603SP100M-2 FUSE BOARD MOUNT 1A 32VDC 0603 Bourns Inc.	14,057 In Stock	1 : £0.58000 Cut Tape (CT) 4,000 : £0.22037 Tape & Reel (TR)	SinglFuse™ SF-0603SPxxxM	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1 A	-	32 V	Slow Blow	0603 (1608 Metric)	50A	0.093	-	-55°C ~ 150°C	-	0.063" L x 0.031" W x 0.031" H (1.60mm x 0.80mm x 0.80mm)
0680L1000-05 FUSE BRD MNT 1A 125VAC/VDC 2SMD Bel Fuse Inc.	13,136 In Stock	1 : £0.59000 Cut Tape (CT) 5,000 : £0.21512 Tape & Reel (TR)	0680L	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 AC, 100A DC	1.5	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)
BK/GMA-1-R FUSE GLASS 1A 250VAC 5X20MM Eaton - Electronics Division	2,685 In Stock	1 : £0.59000 Bulk	GMA	Bulk	Active	Requires Holder	Cartridge, Glass	1 A	250 V	-	Fast Blow	5mm x 20mm	35A	0.48	CSA, PSE, UL	-	-	0.205" Dia x 0.787" L (5.20mm x 20.00mm)
36911000000 FUSE BOARD MNT 1A 300VAC RADIAL Littelfuse Inc.	23,565 In Stock	1 : £0.69000 Cut Tape (CT) 1,400 : £0.25276 Tape & Box (TB)	TE5® 369	Cut Tape (CT) Tape & Box (TB)	Active	Through Hole	Board Mount (Cartridge Style Excluded)	1 A	300 V	-	Slow Blow	Radial, Box	50A	5.8	cULus, PSE/JET	-40°C ~ 85°C	-	0.335" L x 0.157" W x 0.315" H (8.50mm x 4.00mm x 8.00mm)
3413.0216.22 FUSE BRD MNT 1A 32VAC 63VDC 1206 SCHURTER Inc.	722 In Stock	1 : £0.76000 Cut Tape (CT) 1,000 : £0.33980 Tape & Reel (TR)	USI 1206	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1 A	32 V	63 V	Fast Blow	1206 (3216 Metric)	63A	0.2	cURus, VDE	-55°C ~ 90°C	-	0.126" L x 0.063" W x 0.024" H (3.20mm x 1.60mm x 0.60mm)
0251001.MXL FUSE BRD MNT 1A 125VAC/VDC AXIAL Littelfuse Inc.	8,754 In Stock	1 : £0.92000 Bulk	PICO® II 251	Bulk	Active	Through Hole	Board Mount (Cartridge Style Excluded)	1 A	125 V	125 V	Fast Blow	Axial	50A AC, 300A DC	0.256	CCC, CSA, cURus, PSE, TUV	-55°C ~ 125°C	-	0.110" Dia x 0.280" L (2.80mm x 7.11mm)
0466001.NR FUSE BRD MNT 1A 63VAC 63VDC 1206 Littelfuse Inc.	27,592 In Stock	1 : £0.93000 Cut Tape (CT) 5,000 : £0.30863 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/3216FF1-R FUSE BRD MNT 1A 32VAC 63VDC 1206 Eaton - Electronics Division	255 In Stock	1 : £1.03000 Cut Tape (CT) 3,000 : £0.43547 Tape & Reel (TR)	Chip 3216FF	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1 A	32 V	63 V	Fast Blow	1206 (3216 Metric)	50A	0.03	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)
0440001.WR FUSE BRD MNT 1A 50VAC 50VDC 1206 Littelfuse Inc.	13,468 In Stock	1 : £1.06000 Cut Tape (CT) 3,000 : £0.35901 Tape & Reel (TR)	440	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Surface Mount	Board Mount (Cartridge Style Excluded)	1 A	50 V	50 V	Fast Blow	1206 (3216 Metric)	50A	0.21054	CSA, UL	-55°C ~ 150°C	-	0.126" L x 0.064" W x 0.032" H (3.20mm x 1.63mm x 0.82mm)

Showing

of 1,210

About Fuses

Fuses are fundamental circuit protection devices used in automotive and electronic systems to protect wiring and components from overcurrent, overload, and short circuit conditions. Under normal operation, current flows through a calibrated metal element designed for a specific rating. When current exceeds that limit, due to a short circuit, inrush current, or sustained overload, the element heats and melts, permanently opening the circuit. Because most fuses are non-resettable, they must be replaced after operation. They provide fast, reliable protection for both low-voltage and high-voltage circuits.

Common formats include mini, low-profile mini, ATO/ATC, and maxi fuses. Selection must match:

Current rating (never oversize)
Physical format (fit in fuse block)
Ambient temperature derating (high under-hood temps reduce effective capacity)
Load behavior (steady vs inrush-heavy circuits) using time-current selection curves
PCB / SMD Fuse Selection & Behavior

In electronic circuits, SMD fuses protect low-voltage PCB traces and components. Proper selection depends on:

Rated current and voltage

Fast-acting vs time-delay response
Ambient temperature derating (hot boards reduce fuse capacity)
Surge tolerance using manufacturer time-current curves

These factors ensure the fuse survives normal transients but opens under true fault conditions without damaging the board.

Troubleshooting & Replacement Checklist

Confirm failure
Check loss of circuit function
Verify with multimeter continuity test (do not rely on visual inspection alone)
Check for root cause
Look for parasitic draw conditions (unexpected current drain)
Inspect wiring for shorts or overload sources
Verify fuse holder contact integrity (loose, corroded, or heat-damaged terminals)
Replace correctly
Match exact amperage rating
Match physical size and type
Match response type (fast vs time-delay)

If a replacement fuse blows immediately, the fault is still present and must be resolved before re-energizing the circuit.

About Fuses

Subscribe

Information

Contact and support