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

0263.750MXL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

750 mA

Pin Wire

41.1 mJ

-55 °C (-67 °F)

50 A

100 ms

Bulk

0.155 in (3.94 mm)

250 V

Pico

CSA, UL

125 °C (257 °F)

Very Fast

0265007.V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

7 A

Pin Wire

-55 °C (-67 °F)

Gold

50 A

1 s

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

0.093 in (2.36 mm)

Supplemental

e4

125 V

Pico

0.093 x 0.28 in (2.36 x 7.11 mm)

0.28 in (7.11 mm)

CSA; QPL

125 °C (257 °F)

Very Fast

0268.031V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

31 mA

Pin Wire

-55 °C (-67 °F)

Gold

10 kA

4 h

Bulk

0.235 in (5.97 mm)

e4

125 V

Micro

0.235 x 0.29 in (5.97 x 7.37 mm)

0.29 in (7.37 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

0273.050H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

50 mA

Pin Wire

70 μJ

-55 °C (-67 °F)

Tin

10 kA

4 h

Bulk

0.25 in (6.35 mm)

e3

125 V

Micro

0.25 x 0.35 in (6.35 x 8.89 mm)

0.35 in (8.89 mm)

CSA; QPL; UL

85 °C (185 °F)

Very Fast

0287010.U

Littelfuse

Electric Fuse

Inline/Holder

32 V

10 A

Tab/Blade

115 J

-40 °C (-40 °F)

Tin

1 kA

80 ms

0.752 in (19.1 mm)

0.201 in (5.1 mm)

e3

0.752 x 0.201 x 0.484 in (19.1 x 5.1 x 12.3 mm)

0.74 in (18.8 mm)

CSA; UL

125 °C (257 °F)

0287015.L

Littelfuse

Electric Fuse

Inline/Holder

32 V

15 A

Tab/Blade

340 J

-40 °C (-40 °F)

1 kA

80 ms

0.752 in (19.1 mm)

0.201 in (5.1 mm)

0.752 x 0.201 x 0.484 in (19.1 x 5.1 x 12.3 mm)

0.74 in (18.8 mm)

CSA; UL

125 °C (257 °F)

0287020.PXS

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

520 J

-40 °C (-40 °F)

Tin

1 kA

80 ms

0.752 in (19.1 mm)

0.201 in (5.1 mm)

e3

0.74 in (18.8 mm)

CSA; UL

125 °C (257 °F)

0287025.PXCN

Littelfuse

Electric Fuse

Inline/Holder

32 V

25 A

Tab/Blade

1 kJ

-40 °C (-40 °F)

Tin

1 kA

80 ms

0.752 in (19.1 mm)

0.201 in (5.1 mm)

e3

0.752 x 0.201 x 0.484 in (19.1 x 5.1 x 12.3 mm)

0.74 in (18.8 mm)

CSA; UL

125 °C (257 °F)

0287030.H

Littelfuse

Electric Fuse

Inline/Holder

32 V

30 A

Tab/Blade

1.5 kJ

-40 °C (-40 °F)

Tin

1 kA

80 ms

0.752 in (19.1 mm)

0.201 in (5.1 mm)

e3

0.752 x 0.201 x 0.484 in (19.1 x 5.1 x 12.3 mm)

0.74 in (18.8 mm)

CSA; UL

125 °C (257 °F)

0287030.L

Littelfuse

Electric Fuse

Inline/Holder

32 V

30 A

Tab/Blade

1.5 kJ

-40 °C (-40 °F)

1 kA

80 ms

0.752 in (19.1 mm)

0.201 in (5.1 mm)

0.752 x 0.201 x 0.484 in (19.1 x 5.1 x 12.3 mm)

0.74 in (18.8 mm)

CSA; UL

125 °C (257 °F)

0287030.PXS

Littelfuse

Electric Fuse

Inline/Holder

32 V

30 A

Tab/Blade

1.5 kJ

-40 °C (-40 °F)

Tin

1 kA

80 ms

0.752 in (19.1 mm)

0.201 in (5.1 mm)

e3

0.74 in (18.8 mm)

CSA; UL

125 °C (257 °F)

0287030.U

Littelfuse

Electric Fuse

Inline/Holder

32 V

30 A

Tab/Blade

1.5 kJ

-40 °C (-40 °F)

Tin

1 kA

80 ms

0.752 in (19.1 mm)

0.201 in (5.1 mm)

e3

0.752 x 0.201 x 0.484 in (19.1 x 5.1 x 12.3 mm)

0.74 in (18.8 mm)

CSA; UL

125 °C (257 °F)

0293575.MXJ

Littelfuse

Electric Fuse

Inline/Holder

32 V

75 A

Tab/Blade

-40 °C (-40 °F)

2 s

0.906 in (23 mm)

0.622 in (15.8 mm)

1.528 in (38.8 mm)

125 °C (257 °F)

0297030.U

Littelfuse

Electric Fuse

Inline/Holder

32 V

30 A

Tab/Blade

1.23 kJ

-40 °C (-40 °F)

Silver

1 kA

30 ms

1130

0.429 in (10.9 mm)

0.15 in (3.8 mm)

e4

32 V

Mini

0.429 x 0.15 x 0.346 in (10.9 x 3.8 x 8.8 mm)

0.346 in (8.8 mm)

UL

125 °C (257 °F)

0297030.WXT

Littelfuse

Electric Fuse

Inline/Holder

32 V

30 A

Tab/Blade

1.23 kJ

-40 °C (-40 °F)

Tin

1 kA

30 ms

0.429 in (10.9 mm)

0.15 in (3.8 mm)

e3

32 V

Mini

0.346 in (8.8 mm)

UL

125 °C (257 °F)

0298250.ZXEH

Littelfuse

Electric Fuse

Inline/Holder

32 V

250 A

Tab/Blade

389 kJ

-40 °C (-40 °F)

2 kA

100 ms

Bulk

1.15 in (29.2 mm)

0.748 in (19 mm)

32 V

Mega

1.15 x 0.75 x 0.42 in (29.21 x 19.05 x 10.67 mm)

0.39 in (9.9 mm)

125 °C (257 °F)

Time Delay

0298250ZXEH

Littelfuse

Electric Fuse

Inline/Holder

32 V

250 A

Tab/Blade

389 kJ

-40 °C (-40 °F)

Silver

2 kA

Bulk

1.15 in (29.21 mm)

0.75 in (19.05 mm)

e4

1.15 x 0.75 x 0.42 in (29.21 x 19.05 x 10.67 mm)

0.42 in (10.67 mm)

125 °C (257 °F)

0298300.ZXH

Littelfuse

Electric Fuse

Inline/Holder

32 V

300 A

Tab/Blade

315 kJ

-40 °C (-40 °F)

2 kA

100 ms

Bulk

1.15 in (29.2 mm)

0.748 in (19 mm)

32 V

Mega

1.15 x 0.75 x 0.42 in (29.21 x 19.05 x 10.67 mm)

0.421 in (10.7 mm)

125 °C (257 °F)

Time Delay

0298300ZXH

Littelfuse

Electric Fuse

Inline/Holder

32 V

300 A

Tab/Blade

-40 °C (-40 °F)

Silver

2 kA

Bulk

1.15 in (29.21 mm)

0.75 in (19.05 mm)

e4

1.15 x 0.75 x 0.42 in (29.21 x 19.05 x 10.67 mm)

0.42 in (10.67 mm)

125 °C (257 °F)

0312002.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2 A

End Cap

5.2 J

-55 °C (-67 °F)

Nickel

100 A

5 s

5.2

Tape And Reel

0.25 in (6.35 mm)

250 V

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Fast

0313.200MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

200 mA

End Cap

270 mJ

-60 °C (-76 °F)

Nickel

35 A

5 s

0.27

Bulk

0.25 in (6.35 mm)

Supplemental

250 V

3AG

1.25 x 0.25 in (31.75 x 6.35 mm)

1.25 in (31.75 mm)

CE; CSA; UL

125 °C (257 °F)

Time Lag

0314012.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

12 A

End Cap

570 J

-55 °C (-67 °F)

Nickel

750 A

Rated Breaking Capacity at 125 VDC: 10000 A

570

Bulk

0.25 in (6.35 mm)

250 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Fast

0314015.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

15 A

End Cap

292 J

-55 °C (-67 °F)

Nickel

750 A

Rated Breaking Capacity at 125 VDC: 10000 A

292

Bulk

0.25 in (6.35 mm)

250 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Fast

0315025.HXP

Littelfuse

Electric Fuse

Through Hole Mount

32 V

25 A

Pin Wire

16.5 kJ

-55 °C (-67 °F)

Matte Tin

300 A

Bulk

0.275 in (6.99 mm)

e3

0.275 x 1.275 in (6.99 x 32.39 mm)

1.275 in (32.39 mm)

UL

125 °C (257 °F)

Time Lag

031502.5HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

130 J

-55 °C (-67 °F)

Matte Tin

100 A

Bulk

0.275 in (6.99 mm)

e3

0.275 x 1.275 in (6.99 x 32.39 mm)

1.275 in (32.39 mm)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Time Lag

0325.031MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

31 mA

Pin Wire

11 mJ

-55 °C (-67 °F)

Tin

100 A

5 s

0.011

Bulk

0.275 in (6.985 mm)

e3

250 V

3AB

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE

125 °C (257 °F)

Time Delay

0326004.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

4 A

End Cap

9.71 J

-55 °C (-67 °F)

Nickel

400 A

4 h

9.71

Bulk

0.25 in (6.35 mm)

250 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

043702.5WR

Littelfuse

Electric Fuse

Surface Mount

45 V

63 V

2.5 A

Wraparound

441 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

1 s

0.441

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

35 V

1206

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

0.033 in (0.835 mm)

CSA; CUL; UL

150 °C (302 °F)

Fast

043702.5WRA

Littelfuse

Electric Fuse

Surface Mount

45 V

63 V

2.5 A

Wraparound

441 mJ

-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

0438.250WRA

Littelfuse

Electric Fuse

Surface Mount

32 V

63 V

250 mA

Wraparound

1.7 mJ

-55 °C (-67 °F)

Matte Tin

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)

32 V

2.218 Ω

0603

0.02 in (0.508 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

0440005.WRA

Littelfuse

Electric Fuse

Surface Mount

32 V

63 V

5 A

Wraparound

4.761 J

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

5 s

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

1206

0.126 x 0.064 x 0.033 in (3.2 x 1.63 x 0.835 mm)

0.033 in (0.835 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

0448.125MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

125 mA

Wraparound

1.3 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.0013

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

0448010.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

10 A

Wraparound

28 J

-55 °C (-67 °F)

Gold

35 A

5 s

Rated Breaking Capacity at 125 VDC: 50 A

28

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; PSE; UL

125 °C (257 °F)

Very Fast

04481.25MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.25 A

Wraparound

900 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.9

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; PSE; UL

125 °C (257 °F)

Very Fast

0449002.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2 A

Wraparound

6.76 J

-55 °C (-67 °F)

Gold

50 A

2 ms

6.76

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

70.8 mΩ

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

0451.080MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

80 mA

Wraparound

330 μJ

-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

04514.00MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

4 A

Wraparound

3.152 J

-55 °C (-67 °F)

Gold

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

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; PSE; UL

125 °C (257 °F)

Very Fast

0451.400MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

400 mA

Wraparound

55.1 mJ

-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)

CSA; CUL; UL

125 °C (257 °F)

Very Fast

0452.500NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

240 mJ

-55 °C (-67 °F)

Gold

50 A

2 ms

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; CUL; UL

125 °C (257 °F)

Slow

0453004.MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

4 A

Wraparound

3.152 J

-55 °C (-67 °F)

Silver

50 A

5 s

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

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; PSE; UL

125 °C (257 °F)

Very Fast

0454001.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

1.98 J

-55 °C (-67 °F)

Silver

50 A

2 ms

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

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; CUL; UL

125 °C (257 °F)

Slow

0454005.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

5 A

Wraparound

53.72 J

-55 °C (-67 °F)

Silver

50 A

2 ms

53.72

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; CUL; UL

125 °C (257 °F)

Slow

0466.200NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

200 mA

Wraparound

550 μJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

Pre Arcing Time: Open within 0.2 s at 300% Rated Current

Tape And Reel

0.125 in (3.175 mm)

0.06 in (1.524 mm)

e3

0.125 x 0.06 x 0.023 in (3.175 x 1.524 x 0.584 mm)

0.023 in (0.584 mm)

CSA; UL

90 °C (194 °F)

Very Fast

0466.200NRHF

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

200 mA

Wraparound

550 μJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

200 ms

0.0005

Tape And Reel

0.125 in (3.175 mm)

0.06 in (1.524 mm)

Supplemental

e3

125 V

1206

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

0.023 in (0.584 mm)

CE; CSA; TUV; UL

90 °C (194 °F)

Fast

046601.5NRHF

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.5 A

Wraparound

110.3 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

200 ms

0.064

Tape And Reel

0.125 in (3.175 mm)

0.06 in (1.524 mm)

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 (0.584 mm)

CE; CSA; TUV; UL

90 °C (194 °F)

Fast

0467.250NRHF

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

250 mA

Wraparound

1.4 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

200 ms

0.003

Tape And Reel

0.063 in (1.6 mm)

0.032 in (0.813 mm)

e3

32 V

0603

0.063 x 0.032 x 0.012 in (1.6 x 0.81 x 0.31 mm)

0.013 in (0.33 mm)

CSA; CUL; TUV; UL

90 °C (194 °F)

Fast

0467005.NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

5 A

Wraparound

900 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

35 A

4 h

Rated Breaking Capacity at 32 VDC: 35 A

0.9

Tape And Reel

0.063 in (1.6 mm)

0.032 in (0.813 mm)

Supplemental

e3

32 V

0603

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)

Very Fast

046703.5NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

3.5 A

Wraparound

430.6 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

35 A

4 h

Rated Breaking Capacity at 32 VDC: 35 A

0.43

Tape And Reel

0.063 in (1.6 mm)

0.032 in (0.813 mm)

Supplemental

e3

32 V

0603

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)

Very Fast

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.