Littelfuse Fuses 2,400+

Reset All
Part RoHS Manufacturer Circuit Protection Type Mounting Feature Rated AC Voltage Rated DC Voltage Rated Current Terminal Shape Nominal Joule Integral Minimum Operating Temperature Terminal Finish Rated Breaking Capacity Manufacturer Series Trip Time/Delay Additional Features Pre Arcing Rating (A2/s) Packing Method Body Length/Diameter Body Width Fuse Class JESD-609 Code Rated Voltage Resistance Minimum Pre Arcing Time Fuse Size Built-in Features Dimensions Body Height Reference Standard Maximum Operating Temperature Blow Characteristic

0407008.WR

Littelfuse

Electric Fuse

Surface Mount

24 V

24 V

8 A

Wraparound

24.12 J

-55 °C (-67 °F)

Matte Tin Over Nickel

60 A

2 ms

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

24 V

9 mΩ

1206

0.033 in (0.835 mm)

UL

150 °C (302 °F)

Time Lag

0435005.KRHF

Littelfuse

Electric Fuse

Surface Mount

32 V

5 A

Wraparound

531 mJ

-55 °C (-67 °F)

Matte Tin

35 A

4 h

Rated Breaking Capacity at 32 VDC: 35 A, Joule Integral Nom at 32 VDC: 0.5310

0.531

Tape And Reel

0.041 in (1.04 mm)

0.022 in (0.56 mm)

e3

32 V

Nano

0.041 x 0.022 x 0.015 in (1.04 x 0.56 x 0.38 mm)

0.015 in (0.38 mm)

CSA; UL

90 °C (194 °F)

Very Fast

0437008.WRA

Littelfuse

Electric Fuse

Surface Mount

32 V

35 V

8 A

Wraparound

7.23 J

-55 °C (-67 °F)

50 A

1 s

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

1206

0.033 in (0.835 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

0438003.WRA

Littelfuse

Electric Fuse

Surface Mount

12 V

32 V

3 A

Wraparound

439 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

5 s

Pre Arcing Time: Open within 5 s at 250% Rated Current

Tape And Reel

0.062 in (1.575 mm)

0.033 in (0.85 mm)

12 V

26.4 mΩ

0603

0.02 in (0.508 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

0440.375WR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

375 mA

Wraparound

14.55 mJ

-55 °C (-67 °F)

Tin

50 A

4 h

0.0145

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

125 V

1206

0.126 x 0.064 x 0.032 in (3.2 x 1.63 x 0.82 mm)

0.032 in (0.82 mm)

CSA; UL

150 °C (302 °F)

0441003.WR

Littelfuse

Electric Fuse

Surface Mount

32 V

3 A

Wraparound

816.5 mJ

-55 °C (-67 °F)

Matte Tin

50 A

0.8165

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

32 V

15.8 mΩ

0603

0.061 x 0.033 x 0.02 in (1.54 x 0.85 x 0.5 mm)

0.02 in (0.5 mm)

CSA; UL

150 °C (302 °F)

0441006.WR

Littelfuse

Electric Fuse

Surface Mount

32 V

6 A

Wraparound

2.605 J

-55 °C (-67 °F)

Matte Tin

50 A

2.6

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

32 V

5.6 mΩ

0603

0.061 x 0.033 x 0.02 in (1.54 x 0.85 x 0.5 mm)

0.02 in (0.5 mm)

CSA; UL

150 °C (302 °F)

0448.200MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

200 mA

Wraparound

3.8 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.003

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

Nano

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0448.500MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

100 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.1

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

Nano

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

CSA; UL

125 °C (257 °F)

Very Fast

04482.00MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

200 mA

Wraparound

3.8 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.003

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

Nano

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

CSA; UL

125 °C (257 °F)

Very Fast

04485.00MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

100 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.1

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

Nano

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0449005.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

5 A

Wraparound

59.59 J

-55 °C (-67 °F)

Gold

50 A

2 ms

59.5

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

Nano

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

CUL; UL

125 °C (257 °F)

Slow

0451.315MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

315 mA

Wraparound

31.1 mJ

-55 °C (-67 °F)

Silver

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

5 s

Nano

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0451.375MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

375 mA

Wraparound

44.2 mJ

-55 °C (-67 °F)

Gold

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

5 s

Nano

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

CSA; UL

125 °C (257 °F)

Very Fast

04513.15MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3.15 A

Wraparound

1.92 J

-55 °C (-67 °F)

Gold

50 A

5 s

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

Nano

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

CE; CSA; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

0454008.MR

Littelfuse

Electric Fuse

Surface Mount

72 V

75 V

8 A

Wraparound

137.34 J

-55 °C (-67 °F)

Silver

50 A

2 ms

Rated Breaking Capacity at 75 VDC: 100 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

Nano

0.106 in (2.69 mm)

CSA; CUL; UL

125 °C (257 °F)

Slow

046506.3DR

Littelfuse

Electric Fuse

Surface Mount

250 V

6.3 A

Wraparound

144.4 J

-55 °C (-67 °F)

Silver

100 A

10 ms

144.4

Tape And Reel

0.476 in (12.1 mm)

0.177 in (4.5 mm)

e4

250 V

Nano

0.476 x 0.177 x 0.177 in (12.1 x 4.5 x 4.5 mm)

0.177 in (4.5 mm)

CE; CUL; PSE; UKCA; UL

125 °C (257 °F)

Time Lag

04661.75NR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.75 A

End Cap

132.3 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

4 h

Rated Breaking Capacity at 63 VDC: 50 A

0.13

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

Supplemental

e3

63 V

1206

0.125 x 0.06 x 0.023 in (3.18 x 1.52 x 0.58 mm)

0.023 in (0.58 mm)

CSA; UL

90 °C (194 °F)

Very Fast

046802.5NRHF

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

2.5 A

Wraparound

1.011 J

-55 °C (-67 °F)

Matte Tin

35 A

1.500 ms

Pre Arcing Time: Open within 1.5 ms at 800% Rated Current

1.01

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e3

63 V

1206

0.125 x 0.06 x 0.023 in (3.18 x 1.52 x 0.58 mm)

0.025 in (0.635 mm)

CSA; CUL; UL

90 °C (194 °F)

Time Delay

0472.500MRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

192.7 mJ

-55 °C (-67 °F)

Tin

50 A

Tape And Reel

0.11 in (2.8 mm)

e3

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

UL

125 °C (257 °F)

Time Lag

047303.5MRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3.5 A

Pin Wire

26.8 J

-60 °C (-76 °F)

Tin

50 A

2 ms

Pre Arcing Time: Blow within 0.002 s at 800% Rated Current

26.8

Tape And Reel

0.135 in (3.43 mm)

e3

125 V

Pico

0.135 x 0.28 in (3.43 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Time Delay

0481001H

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

1 A

End Cap

733 mJ

-55 °C (-67 °F)

Tin

300 A

Rated Breaking Capacity at 125 VDC: 200 A

Bulk

e3

Alarm

CSA; UL

90 °C (194 °F)

0481001.H

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

1 A

End Cap

1.82 J

-55 °C (-67 °F)

300 A

5 m

0.701 in (17.8 mm)

0.228 in (5.8 mm)

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

0481020.HXLP

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

20 A

End Cap

1.024 kJ

-55 °C (-67 °F)

300 A

5 m

0.839 in (21.3 mm)

0.228 in (5.8 mm)

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

04853.15DR

Littelfuse

Electric Fuse

Surface Mount

250 V

600 V

3.15 A

Wraparound

3.304 J

-55 °C (-67 °F)

Silver

100 A

1 m

Tape And Reel

0.476 in (12.1 mm)

0.177 in (4.5 mm)

e4

250 V

Nano

0.177 in (4.5 mm)

CSA; UL

125 °C (257 °F)

Fast

0487008.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

420 V

420 V

8 A

Pin Wire

65 J

-60 °C (-76 °F)

Matte Tin

200 A

30 ms

Rated Breaking Capacity at 420 VDC: 300 A

Bulk

0.217 in (5.5 mm)

e3

0.197 x 0.787 in (5 x 20 mm)

0.846 in (21.5 mm)

CUL; TUV; UL

125 °C (257 °F)

Fast

0491.400MAT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

400 mA

Pin Wire

-55 °C (-67 °F)

50 A

4 h

0.11 in (2.8 mm)

125 V

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA, UL

125 °C (257 °F)

Very Fast

0494.250NRHF

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

250 mA

Wraparound

3 mJ

-55 °C (-67 °F)

50 A

Tape And Reel

0.063 in (1.6 mm)

0.032 in (0.813 mm)

200 ms

0.063 x 0.032 x 0.012 in (1.6 x 0.813 x 0.305 mm)

0.012 in (0.305 mm)

CSA; UL

90 °C (194 °F)

Fast

0505020.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

500 V

500 V

20 A

Pin Wire

140 J

-55 °C (-67 °F)

Matte Tin

30 kA

10 s

Rated Breaking Capacity at 500 VDC: 20000 A

140

Bulk

0.275 in (6.985 mm)

e3

500 V

3AB

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

125 °C (257 °F)

Fast

0526060.UXTHP

Littelfuse

Electric Fuse

Through Hole Mount

300 V

500 V

60 A

Flat

6.29 kJ

-55 °C (-67 °F)

10 kA

2 m

Tray

0.442 in (11.22 mm)

0.394 x 1.26 in (10 x 32 mm)

1.378 in (35 mm)

CUL; UL

125 °C (257 °F)

0606040.UXTHP

Littelfuse

Electric Fuse

Through Hole Mount

500 V

40 A

Pin Wire

2.5 kJ

-55 °C (-67 °F)

Tin

2 kA

2 m

Pre Arcing Time: Open within 120 s at 200% Rated Current

Tray

0.482 in (12.25 mm)

e3

500 V

0.394 x 1.26 in (10 x 32 mm)

1.315 in (33.4 mm)

CSA; UL

125 °C (257 °F)

0874.750MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

750 mA

Pin Wire

256 mJ

-55 °C (-67 °F)

Tin

50 A

4 h

0.256

Bulk

0.142 in (3.6 mm)

e3

250 V

0.142 x 0.394 in (3.6 x 10 mm)

0.394 in (10 mm)

UL

125 °C (257 °F)

Fast

08743.15MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3.15 A

Pin Wire

5.904 J

-55 °C (-67 °F)

Tin

50 A

4 h

5.904

Bulk

0.142 in (3.6 mm)

e3

250 V

0.142 x 0.394 in (3.6 x 10 mm)

0.394 in (10 mm)

UL

125 °C (257 °F)

Fast

0881060.UR

Littelfuse

Electric Fuse

Surface Mount

75 V

60 A

J Bend

1.05 kJ

-55 °C (-67 °F)

Bright Tin Over Nickel

1.5 kA

1 m

Pre Arcing Time: Open within 60 s at 200% Rated Current

Tape And Reel

0.441 in (11.2 mm)

0.394 in (10 mm)

e3

115 V

0.441 x 0.394 x 0.236 in (11.2 x 10 x 6 mm)

0.236 in (6 mm)

CUL; UL

100 °C (212 °F)

0891005.NXS

Littelfuse

Electric Fuse

Inline/Holder

58 V

5 A

Tab/Blade

22 J

-40 °C (-40 °F)

1 kA

30 ms

Bulk

0.429 in (10.9 mm)

0.15 in (3.8 mm)

58 V

Mini

0.299 in (7.6 mm)

ISO

125 °C (257 °F)

0891015.NXS

Littelfuse

Electric Fuse

Inline/Holder

58 V

15 A

Tab/Blade

198 J

-40 °C (-40 °F)

1 kA

30 ms

Bulk

0.429 in (10.9 mm)

0.15 in (3.8 mm)

58 V

Mini

0.299 in (7.6 mm)

ISO

125 °C (257 °F)

0977010.MXP

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

10 A

End Cap

249 J

-55 °C (-67 °F)

100 A

Rated Breaking Capacity at 450 VDC: 200 A, Pre-Arcing Time: Open within 10 ms at 1000% Rated Current

249

Bulk

0.205 in (5.2 mm)

500 V

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; PSE

125 °C (257 °F)

Time Lag

0999040ZXN

Littelfuse

Electric Fuse

Inline/Holder

42 V

40 A

Tab/Blade

8.45 kJ

-40 °C (-40 °F)

Silver

Rated Breaking Capacity at 58 VDC: 1000 A

1.15 in (29.21 mm)

0.335 in (8.51 mm)

e4

1.15 x 0.335 x 0.872 in (29.21 x 8.51 x 22.15 mm)

0.872 in (22.15 mm)

125 °C (257 °F)

0999040.ZXN

Littelfuse

Electric Fuse

Inline/Holder

58 V

40 A

Tab/Blade

8.5 kJ

-40 °C (-40 °F)

Silver

1 kA

40 ms

Bulk

1.15 in (29.2 mm)

0.35 in (8.9 mm)

e4

1.15 x 0.335 x 0.85 in (29.21 x 8.51 x 21.6 mm)

0.85 in (21.6 mm)

SAE; UL

125 °C (257 °F)

Slow

0ATO005.V

Littelfuse

Electric Fuse

Inline/Holder

32 V

5 A

Tab/Blade

26 J

-40 °C (-40 °F)

1 kA

100 ms

Box

0.752 in (19.1 mm)

0.201 in (5.1 mm)

0.484 in (12.3 mm)

CSA; UL

125 °C (257 °F)

0CNL200.V

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

200 A

Tab/Blade

2.5 kA

3.181 in (80.8 mm)

UL

Fast

0CNN600.V

Littelfuse

Electric Fuse

Inline/Holder

125 V

48 V

600 A

Tab/Blade

2.5 kA

3.181 in (80.8 mm)

48 V

3.18 in (80.77 mm)

UL

Very Fast

0FLM015T

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

15 A

End Cap

10 kA

12 s

Pre Arcing Time: Open within 12 s at 200% Rated Current

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; QPL; UL

Time Delay

0FLM01.5T

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

1.5 A

End Cap

10 kA

5 s

Pre Arcing Time: Open within 5 s at 200% Rated Current

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; QPL; UL

Time Delay

0HEV050.ZXP2Y

Littelfuse

Electric Fuse

Inline/Holder

275 V

50 A

Tab/Blade

1.495 kJ

-40 °C (-40 °F)

10 kA

50 ms

1.531 in (38.9 mm)

CSA; UL

125 °C (257 °F)

0JTD045.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.063 in (27 mm)

2.374 in (60.3 mm)

CSA; UL

Time Delay

0JTD04.5T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

4.5 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD400.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

400 A

Tab/Blade

1.055 MJ

Nickel

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

2 in (50.8 mm)

600 V

3.374 in (85.7 mm)

CSA; UL

Time Delay

Fuses

A fuse is an electrical safety device that is designed to protect an electrical circuit from damage caused by overcurrent. Fuses are commonly used in residential, commercial, and industrial electrical systems, and they are an important safety device that helps prevent electrical fires, equipment damage, and personal injury.

A fuse typically consists of a metal wire or filament that is enclosed in a fuse body, which is designed to protect the wire from damage. The fuse is connected in series with the electrical circuit, and when the current flowing through the circuit exceeds a preset level, the wire in the fuse will melt or blow, which opens the circuit and prevents further damage to the electrical system.

Fuses are available in a variety of types and sizes, and they can be classified based on their current rating, voltage rating, and speed of operation. Some common types of fuses include cartridge fuses, blade fuses, and plug fuses.

In addition to protecting electrical systems from overcurrent, fuses can also be used to protect electrical equipment and machinery from damage caused by short circuits or other types of electrical faults. They are a cost-effective and reliable method of electrical protection, and they are widely used in a variety of electrical applications.