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
Size / Dimension
Current Rating (Amps)
Approval Agency
Package / Case
Breaking Capacity @ Rated Voltage
Voltage Rating - DC
Operating Temperature
Voltage Rating - AC
Fuse Type
Response Time
Color
Mounting Type
Results remaining11,639
Applied Filters:
Littelfuse
Select
ImageProduct DetailPriceAvailabilityECAD ModelColorMounting TypeVoltage Rating - ACCurrent Rating (Amps)Operating TemperaturePackage / CaseApproval AgencyResponse TimeSeriesFuse TypeVoltage Rating - DCBreaking Capacity @ Rated VoltageMelting I²tSize / Dimension
1206SFS100F/63-2
FUSE BOARD MOUNT 1A 63VDC 1206
1+
$0.0634
5+
$0.0599
10+
$0.0563
Quantity
1,474,234 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-
1 A
-55°C ~ 125°C
1206 (3216 Metric)
UL
Slow Blow
SFS
Board Mount (Cartridge Style Excluded)
63 V
50A
0.11
0.126" L x 0.063" W x 0.038" H (3.20mm x 1.60mm x 0.97mm)
0402SFF400F/24-2
FUSE BOARD MOUNT 4A 24VDC 0402
1+
$0.0380
5+
$0.0359
10+
$0.0338
Quantity
899,636 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-
4 A
-55°C ~ 125°C
0402 (1005 Metric)
UL
Fast Blow
SFF
Board Mount (Cartridge Style Excluded)
24 V
35A
0.225
0.039" L x 0.020" W x 0.020" H (1.00mm x 0.51mm x 0.51mm)
1206SFF200F/63-2
FUSE BOARD MOUNT 2A 63VDC 1206
1+
$0.1014
5+
$0.0958
10+
$0.0901
Quantity
833,191 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-
2 A
-55°C ~ 125°C
1206 (3216 Metric)
UL
Fast Blow
SFF
Board Mount (Cartridge Style Excluded)
63 V
50A
0.07
0.126" L x 0.063" W x 0.043" H (3.20mm x 1.60mm x 1.10mm)
0467.500NRHF
FUSE BOARD MOUNT 500MA 32VAC/VDC
1+
$0.0279
5+
$0.0263
10+
$0.0248
Quantity
770,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
32 V
500 mA
-55°C ~ 90°C
0603 (1608 Metric)
CSA, UL
Fast Blow
467
Board Mount (Cartridge Style Excluded)
32 V
50A
0.0087
0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm)
0467005.NRHF
FUSE BOARD MNT 5A 32VAC/VDC 0603
1+
$0.0304
5+
$0.0287
10+
$0.0270
Quantity
642,068 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
32 V
5 A
-55°C ~ 90°C
0603 (1608 Metric)
CSA, UL
Fast Blow
467
Board Mount (Cartridge Style Excluded)
32 V
35A
0.9
0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm)
0466.750NRHF
FUSE BOARD MOUNT 750MA 63VAC/VDC
1+
$0.0507
5+
$0.0479
10+
$0.0451
Quantity
351,357 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
63 V
750 mA
-55°C ~ 90°C
1206 (3216 Metric)
CSA, UL
Fast Blow
SlimLine™ 466
Board Mount (Cartridge Style Excluded)
63 V
50A
0.0276
0.125" L x 0.060" W x 0.023" H (3.18mm x 1.52mm x 0.58mm)
046701.5NR
FUSE BOARD MNT 1.5A 32VAC 65VDC
1+
$0.0507
5+
$0.0479
10+
$0.0451
Quantity
313,448 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
32 V
1.5 A
-55°C ~ 90°C
0603 (1608 Metric)
CSA, UL
Fast Blow
467
Board Mount (Cartridge Style Excluded)
65 V
35A AC, 13A DC
0.0766
0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm)
0217005.MXP
FUSE GLASS 5A 250VAC 5X20MM
1+
$0.0634
5+
$0.0599
10+
$0.0563
Quantity
311,691 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Requires Holder
250 V
5 A
-55°C ~ 125°C
5mm x 20mm
BSI, CE, CCC, CSA, KC, PSE, SEMKO, UR, VDE
Fast Blow
217
Cartridge, Glass
-
50A
42.795
0.205" Dia x 0.787" L (5.20mm x 20.00mm)
0469005.WR
FUSE BOARD MOUNT 5A 32VDC 1206
1+
$0.2535
5+
$0.2394
10+
$0.2254
Quantity
260,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-
5 A
-55°C ~ 150°C
1206 (3216 Metric)
CSA, UL
Slow Blow
469
Board Mount (Cartridge Style Excluded)
32 V
60A
5.62
0.129" L x 0.064" W x 0.035" H (3.27mm x 1.63mm x 0.90mm)
0239003.MXP
FUSE GLASS 3A 250VAC 5X20MM
1+
$0.2028
5+
$0.1915
10+
$0.1803
Quantity
232,928 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Requires Holder
250 V
3 A
-55°C ~ 125°C
5mm x 20mm
CE, CSA, KC, PSE, UL
Slow Blow
239
Cartridge, Glass
-
100A
129.51
0.205" Dia x 0.787" L (5.20mm x 20.00mm)
0466.125NRHF
FUSE BOARD MNT 125MA 125VAC/VDC
1+
$0.0431
5+
$0.0407
10+
$0.0383
Quantity
214,710 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
125 V
125 mA
-55°C ~ 90°C
1206 (3216 Metric)
CSA, UL
Fast Blow
SlimLine™ 466
Board Mount (Cartridge Style Excluded)
125 V
50A
0.0004
0.125" L x 0.060" W x 0.023" H (3.18mm x 1.52mm x 0.58mm)
0452002.MRL
FUSE BOARD MNT 2A 125VAC/VDC SMD
1+
$0.0913
5+
$0.0862
10+
$0.0811
Quantity
175,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
125 V
2 A
-55°C ~ 125°C
2-SMD, Square End Block
CSA, PSE, UR
Slow Blow
NANO²® 452
Board Mount (Cartridge Style Excluded)
125 V
50A
8.2
0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0437.750WR
FUSE BOARD MOUNT 750MA 63VAC/VDC
1+
$0.0761
5+
$0.0718
10+
$0.0676
Quantity
168,555 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
63 V
750 mA
-55°C ~ 150°C
1206 (3216 Metric)
CSA, UR
Fast Blow
437
Board Mount (Cartridge Style Excluded)
63 V
50A
0.064
0.126" L x 0.064" W x 0.032" H (3.20mm x 1.63mm x 0.82mm)
0297015.WXNV
FUSE AUTO 15A 32VDC BLADE MINI
1+
$0.0456
5+
$0.0431
10+
$0.0406
Quantity
159,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
Blue
Requires Holder
-
15 A
-40°C ~ 125°C
Blade, Miniature
-
Fast Blow
MINI® 297
Automotive
32 V
1kA
270
0.429" L x 0.150" W x 0.346" H (10.90mm x 3.80mm x 8.80mm)
0287040.PXCN
FUSE AUTOMOTIVE 40A 32VDC BLADE
1+
$0.0431
5+
$0.0407
10+
$0.0383
Quantity
151,923 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
Orange
Requires Holder
-
40 A
-40°C ~ 105°C
Blade, ATO/ATC
CSA, UL
-
ATOF®
Automotive
32 V
-
3310
0.752" L x 0.201" W x 0.484" H (19.10mm x 5.10mm x 12.30mm)
0452.750MRL
FUSE BOARD MNT 750MA 125VAC/VDC
1+
$0.1394
5+
$0.1317
10+
$0.1239
Quantity
145,094 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
125 V
750 mA
-55°C ~ 125°C
2-SMD, Square End Block
CSA, UR
Slow Blow
NANO²® 452
Board Mount (Cartridge Style Excluded)
125 V
50A
0.904
0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
0877004.MRET1P
FUSE CERAMIC 4A 250VAC AXIAL
1+
$0.6592
5+
$0.6225
10+
$0.5859
Quantity
145,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Through Hole
250 V
4 A
-55°C ~ 125°C
Cartridge, Non-Standard (Axial)
cULus, VDE
Slow Blow
877
Cartridge, Ceramic
-
40A
143.4
0.142" Dia x 0.394" L (3.60mm x 10.00mm)
39214000000
FUSE BOARD MOUNT 4A 250VAC RAD
1+
$0.0304
5+
$0.0287
10+
$0.0270
Quantity
142,800 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Through Hole
250 V
4 A
-40°C ~ 125°C
Radial, Box
CQC, cULus, KC, PSE/JET, SEMKO, VDE
Slow Blow
TE5® 392
Board Mount (Cartridge Style Excluded)
-
40A
100
0.335" L x 0.157" W x 0.315" H (8.50mm x 4.00mm x 8.00mm)
04513.15MRL
FUSE BOARD MNT 3.15A 125VAC/VDC
1+
$0.1268
5+
$0.1197
10+
$0.1127
Quantity
139,073 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
125 V
3.15 A
-55°C ~ 125°C
2-SMD, Square End Block
CSA, PSE, UL
Fast Blow
NANO²® 451
Board Mount (Cartridge Style Excluded)
125 V
50A
1.92
0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
1206SFS200F/63-2
FUSE BOARD MOUNT 2A 63VDC 1206
1+
$0.0634
5+
$0.0599
10+
$0.0563
Quantity
118,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-
2 A
-55°C ~ 125°C
1206 (3216 Metric)
UL
Slow Blow
SFS
Board Mount (Cartridge Style Excluded)
63 V
50A
0.63
0.126" L x 0.063" W x 0.038" H (3.20mm x 1.60mm x 0.97mm)

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.