Littelfuse

Littelfuse

Littelfuse is a leading global manufacturer of circuit protection and power control products. With a wide range of offerings, including fuses, surge protection devices, relays, switches, and sensors, Littelfuse provides solutions for industries such as automotive, industrial, electronics, and electrical. Their products are designed to protect electrical and electronic systems from overcurrent, overvoltage, and other potentially damaging conditions, ensuring the safety and reliability of critical equipment. Littelfuse's commitment to innovation and quality has made them a trusted partner for customers worldwide, and their extensive product portfolio caters to a diverse range of applications. With a strong focus on customer satisfaction and technical expertise, Littelfuse continues to drive advancements in circuit protection and power control technology, enabling businesses to operate safely and efficiently.

Fuses

Results:
11,639
Series
Melting I²t
Current Rating (Amps)
Size / Dimension
Package / Case
Approval Agency
Breaking Capacity @ Rated Voltage
Voltage Rating - DC
Operating Temperature
Voltage Rating - AC
Fuse Type
Response Time
Mounting Type
Color
Results remaining11,639
Applied Filters:
Littelfuse
Select
ImageProduct DetailPriceAvailabilityECAD ModelColorVoltage Rating - DCCurrent Rating (Amps)Operating TemperatureSeriesResponse TimeVoltage Rating - ACFuse TypePackage / CaseBreaking Capacity @ Rated VoltageMelting I²tApproval AgencySize / DimensionMounting Type
0217002.MXP
FUSE GLASS 2A 250VAC 5X20MM
1+
¥0.1000
5+
¥0.0944
10+
¥0.0889
Quantity
68,552 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
-
2 A
-55°C ~ 125°C
217
Fast Blow
250 V
Cartridge, Glass
5mm x 20mm
35A
5.73
BSI, CE, CCC, CSA, KC, PSE, SEMKO, UR, VDE
0.205" Dia x 0.787" L (5.20mm x 20.00mm)
Requires Holder
04381.75WR
FUSE BOARD MNT 1.75A 32VAC 63VDC
1+
¥0.2500
5+
¥0.2361
10+
¥0.2222
Quantity
67,524 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
63 V
1.75 A
-55°C ~ 150°C
438
Fast Blow
32 V
Board Mount (Cartridge Style Excluded)
0603 (1608 Metric)
50A
0.144
CSA, UL
0.061" L x 0.033" W x 0.020" H (1.54mm x 0.85mm x 0.50mm)
Surface Mount
0456020.ER
FUSE BOARD MNT 20A 125VAC 100VDC
1+
¥0.4500
5+
¥0.4250
10+
¥0.4000
Quantity
65,550 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
100 V
20 A
-55°C ~ 125°C
NANO²® 456
Fast Blow
125 V
Board Mount (Cartridge Style Excluded)
2-SMD, Square End Block
100A AC, 300A DC
18
cULus, PSE
0.398" L x 0.123" W x 0.123" H (10.10mm x 3.12mm x 3.12mm)
Surface Mount
0468002.NRHF
FUSE BOARD MNT 2A 63VAC/VDC 1206
1+
¥0.0350
5+
¥0.0331
10+
¥0.0311
Quantity
65,266 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
63 V
2 A
-55°C ~ 90°C
SlimLine™ 468
Slow Blow
63 V
Board Mount (Cartridge Style Excluded)
1206 (3216 Metric)
35A AC, 50A DC
0.506
CSA, UL
0.125" L x 0.060" W x 0.023" H (3.18mm x 1.52mm x 0.58mm)
Surface Mount
0451.400MRL
FUSE BOARD MNT 400MA 125VAC/VDC
1+
¥0.1000
5+
¥0.0944
10+
¥0.0889
Quantity
64,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
125 V
400 mA
-55°C ~ 125°C
NANO²® 451
Fast Blow
125 V
Board Mount (Cartridge Style Excluded)
2-SMD, Square End Block
50A
0.0484
CSA, UL
0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
Surface Mount
0881060.UR
FUSE BOARD MOUNT 60A 75VDC 2SMD
1+
¥3.5000
5+
¥3.3056
10+
¥3.1111
Quantity
61,147 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
75 V
60 A
-55°C ~ 100°C
881
-
-
Board Mount (Cartridge Style Excluded)
2-SMD, J-Lead
1.5kA
1050
cURus
0.394" L x 0.441" W x 0.268" H (10.00mm x 11.20mm x 6.80mm)
Surface Mount
045106.3MRL
FUSE BRD MNT 6.3A 125VAC/VDC SMD
1+
¥0.0800
5+
¥0.0756
10+
¥0.0711
Quantity
58,820 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
125 V
6.3 A
-55°C ~ 125°C
NANO²® 451
Fast Blow
125 V
Board Mount (Cartridge Style Excluded)
2-SMD, Square End Block
50A
9.17
CSA, PSE, UL
0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
Surface Mount
0467.250NRHF
FUSE BOARD MOUNT 250MA 32VAC/VDC
1+
¥0.0375
5+
¥0.0354
10+
¥0.0333
Quantity
55,555 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
32 V
250 mA
-55°C ~ 90°C
467
Fast Blow
32 V
Board Mount (Cartridge Style Excluded)
0603 (1608 Metric), Concave
50A
0.0014
CSA, UR
0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm)
Surface Mount
0437005.WR
FUSE BRD MNT 5A 32VAC 35VDC 1206
1+
¥0.0600
5+
¥0.0567
10+
¥0.0533
Quantity
55,555 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
35 V
5 A
-55°C ~ 150°C
437
Fast Blow
32 V
Board Mount (Cartridge Style Excluded)
1206 (3216 Metric)
50A
1.936
CSA, UR
0.126" L x 0.064" W x 0.032" H (3.20mm x 1.63mm x 0.82mm)
Surface Mount
36911000000
FUSE BOARD MNT 1A 300VAC RADIAL
1+
¥0.0650
5+
¥0.0614
10+
¥0.0578
Quantity
55,020 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
-
1 A
-40°C ~ 85°C
TE5® 369
Slow Blow
300 V
Board Mount (Cartridge Style Excluded)
Radial, Box
50A
5.8
cULus, PSE/JET
0.335" L x 0.157" W x 0.315" H (8.50mm x 4.00mm x 8.00mm)
Through Hole
0451.750MRL
FUSE BOARD MNT 750MA 125VAC/VDC
1+
¥0.0900
5+
¥0.0850
10+
¥0.0800
Quantity
55,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
125 V
750 mA
-55°C ~ 125°C
NANO²® 451
Fast Blow
125 V
Board Mount (Cartridge Style Excluded)
2-SMD, Square End Block
50A
0.185
CSA, UL
0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
Surface Mount
046601.5NRHF
FUSE BRD MNT 1.5A 63VAC/VDC 1206
1+
¥0.0375
5+
¥0.0354
10+
¥0.0333
Quantity
55,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
63 V
1.5 A
-55°C ~ 90°C
SlimLine™ 466
Fast Blow
63 V
Board Mount (Cartridge Style Excluded)
1206 (3216 Metric)
50A
0.1103
CSA, UL
0.125" L x 0.060" W x 0.023" H (3.18mm x 1.52mm x 0.58mm)
Surface Mount
0435002.KRHF
FUSE BOARD MOUNT 2A 32VDC 0402
1+
¥0.0875
5+
¥0.0826
10+
¥0.0778
Quantity
54,720 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
32 V
2 A
-55°C ~ 90°C
435
Fast Blow
-
Board Mount (Cartridge Style Excluded)
0402 (1005 Metric)
35A
0.1
CSA, UL
0.039" L x 0.020" W x 0.013" H (1.00mm x 0.51mm x 0.33mm)
Surface Mount
0251010.NRT1L
FUSE BOARD MOUNT 10A 125VAC/VDC
1+
¥0.1500
5+
¥0.1417
10+
¥0.1333
Quantity
51,290 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
125 V
10 A
-55°C ~ 125°C
PICO® II 251
Fast Blow
125 V
Board Mount (Cartridge Style Excluded)
Axial
50A AC, 300A DC
25.5
CSA, cURus, TUV
0.110" Dia x 0.280" L (2.80mm x 7.11mm)
Through Hole
046801.5NRHF
FUSE BRD MNT 1.5A 63VAC/VDC 1206
1+
¥0.0600
5+
¥0.0567
10+
¥0.0533
Quantity
50,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
63 V
1.5 A
-55°C ~ 90°C
SlimLine™ 468
Slow Blow
63 V
Board Mount (Cartridge Style Excluded)
1206 (3216 Metric)
50A
0.288
CSA, UL
0.125" L x 0.060" W x 0.023" H (3.18mm x 1.52mm x 0.58mm)
Surface Mount
0451002.MRL
FUSE BOARD MNT 2A 125VAC/VDC SMD
1+
¥0.0700
5+
¥0.0661
10+
¥0.0622
Quantity
50,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
125 V
2 A
-55°C ~ 125°C
NANO²® 451
Fast Blow
125 V
Board Mount (Cartridge Style Excluded)
2-SMD, Square End Block
50A
0.53
CSA, PSE, UL
0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
Surface Mount
08773.15MXEP
FUSE CERAMIC 3.15A 250VAC AXIAL
1+
¥0.6500
5+
¥0.6139
10+
¥0.5778
Quantity
50,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
-
3.15 A
-55°C ~ 125°C
877
Slow Blow
250 V
Cartridge, Ceramic
Cartridge, Non-Standard (Axial)
35A
67.6
cULus, VDE
0.142" Dia x 0.394" L (3.60mm x 10.00mm)
Through Hole
0215010.MXEP
FUSE CERAMIC 10A 250VAC 5X20MM
1+
¥0.1000
5+
¥0.0944
10+
¥0.0889
Quantity
50,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
-
10 A
-55°C ~ 125°C
215
Slow Blow
250 V
Cartridge, Ceramic
5mm x 20mm (Axial)
1.5kA
333.565
CE, CSA, KC, PSE, SEMKO, UL, VDE
0.228" Dia x 0.886" L (5.80mm x 22.50mm)
Through Hole
028707.5PXCN
FUSE AUTOMOTIVE 7.5A 32VDC BLADE
1+
¥0.0450
5+
¥0.0425
10+
¥0.0400
Quantity
48,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
Brown
32 V
7.5 A
-40°C ~ 105°C
ATOF®
-
-
Automotive
Blade, ATO/ATC
-
60
CSA, UL
0.752" L x 0.201" W x 0.484" H (19.10mm x 5.10mm x 12.30mm)
Requires Holder
0451003.MRL
FUSE BRD MNT 3A 125VAC/VDC 2SMD
1+
¥0.0775
5+
¥0.0732
10+
¥0.0689
Quantity
45,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
125 V
3 A
-55°C ~ 125°C
NANO²® 451
Fast Blow
125 V
Board Mount (Cartridge Style Excluded)
2-SMD, Square End Block
50A
1.65
CSA, PSE, UL
0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
Surface Mount

About  Fuses

Fuses are specialized devices designed to interrupt the flow of electrical current in a circuit when the current exceeds a specific threshold, providing protection against overcurrent conditions. They consist of a conductor that is intentionally designed to melt and open the circuit when exposed to excessive current, thereby preventing damage to the connected components or equipment. When the current flowing through a fuse surpasses its rated capacity, the heat generated within the fuse causes the conducting element to melt or blow, creating an open circuit and stopping the flow of electricity. This action effectively protects the circuit and connected devices from potential damage caused by excessive current flow. Fuses are available in various types and configurations, including fast-acting and slow-blow fuses, each with different response times to overcurrent conditions. Fast-acting fuses respond quickly to overloads, while slow-blow fuses offer a delayed response and can withstand temporary current surges without blowing. The selection of the appropriate fuse type depends on the specific requirements of the electrical circuit being protected. By using fuses with the correct characteristics, the risk of damage to equipment and hazards resulting from excessive current flow can be minimized, ensuring the safe and reliable operation of electrical systems.