Littelfuse Fuses 2,400+

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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

0257002PXPV

Littelfuse

Electric Fuse

Inline/Holder

32 V

2 A

Tab/Blade

1.4 J

-40 °C (-40 °F)

Tin

1 kA

0257

Rated Breaking Capacity at 32 VDC: 1000 A

Bulk

0.75 in (19.05 mm)

0.2 in (5.08 mm)

e3

0.75 x 0.2 x 0.48 in (19.05 x 5.08 x 12.19 mm)

0.48 in (12.19 mm)

UL

105 °C (221 °F)

0257002.PXPV

Littelfuse

Electric Fuse

Inline/Holder

32 V

2 A

Tab/Blade

1.4 J

-40 °C (-40 °F)

Tin/Copper

1 kA

0257

Bulk

0.75 in (19.05 mm)

0.2 in (5.08 mm)

e2

0.75 x 0.2 x 0.48 in (19.05 x 5.08 x 12.19 mm)

0.48 in (12.19 mm)

UL

105 °C (221 °F)

0259.062M

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

62 mA

Pin Wire

110 μJ

-55 °C (-67 °F)

50 A

5 s

Rated Breaking Capacity at 125 VDC: 300 A

0.0001

Bulk

0.512 in (13 mm)

Pico

0.512 x 0.315 in (13 x 8 mm)

0.315 in (8 mm)

EN; IEC; UL

125 °C (257 °F)

Fast

0259.250M

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Pin Wire

9.5 mJ

-55 °C (-67 °F)

50 A

5 s

Rated Breaking Capacity at 125 VDC: 300 A

0.0095

Bulk

0.512 in (13 mm)

Pico

0.512 x 0.315 in (13 x 8 mm)

0.315 in (8 mm)

EN; IEC; UL

125 °C (257 °F)

Fast

0263.125HAT1L

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 mA

Pin Wire

2.51 mJ

-55 °C (-67 °F)

Tin

50 A

100 ms

Ammo Pack

0.155 in (3.94 mm)

e3

250 V

Pico

0.155 x 0.28 in (3.94 x 7.11 mm)

CSA, UL

125 °C (257 °F)

Very Fast

0263.500MXL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

84 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

0263001.MXL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

87 mJ

-55 °C (-67 °F)

50 A

100 ms

Bulk

0.155 in (3.94 mm)

250 V

Pico

CSA, PSE, UL

125 °C (257 °F)

Very Fast

0265.750V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

750 mA

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)

e4

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

0272003.H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

759 mJ

-55 °C (-67 °F)

Tin

10 kA

4 h

Bulk

0.235 in (5.97 mm)

e3

125 V

Micro

0.235 x 0.287 in (5.97 x 7.3 mm)

0.287 in (7.3 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

0273.062V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

62 mA

Pin Wire

-55 °C (-67 °F)

Tin

100 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, UL

85 °C (185 °F)

Very Fast

0285010HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

10 A

End Cap

361 J

-55 °C (-67 °F)

Gold

1.5 kA

10 ms

Bulk

0.205 in (5.2 mm)

e4

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)

PSE

125 °C (257 °F)

0287004.H

Littelfuse

Electric Fuse

Inline/Holder

32 V

4 A

Tab/Blade

14 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.PXS

Littelfuse

Electric Fuse

Inline/Holder

32 V

15 A

Tab/Blade

340 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)

0287025.PXS

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

0.74 in (18.8 mm)

CSA; UL

125 °C (257 °F)

0297003.L

Littelfuse

Electric Fuse

Inline/Holder

32 V

3 A

Tab/Blade

20 J

-40 °C (-40 °F)

Silver

1 kA

30 ms

9.4

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)

0297025.U

Littelfuse

Electric Fuse

Inline/Holder

32 V

25 A

Tab/Blade

622 J

-40 °C (-40 °F)

1 kA

30 ms

625

0.429 in (10.9 mm)

0.15 in (3.8 mm)

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)

0298080.TXN

Littelfuse

Electric Fuse

Inline/Holder

32 V

80 A

Tab/Blade

-40 °C (-40 °F)

2 kA

Bulk

1.15 in (29.21 mm)

0.75 in (19.05 mm)

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)

0298080.ZXB

Littelfuse

Electric Fuse

Inline/Holder

32 V

80 A

Tab/Blade

21.5 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 0.39 in (29.2 x 19.05 x 9.9 mm)

0.39 in (9.9 mm)

125 °C (257 °F)

Time Delay

0298080TXN

Littelfuse

Electric Fuse

Inline/Holder

32 V

80 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)

0298300.TXN

Littelfuse

Electric Fuse

Inline/Holder

32 V

300 A

Tab/Blade

-40 °C (-40 °F)

2 kA

Bulk

1.15 in (29.21 mm)

0.75 in (19.05 mm)

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)

0298300TXN

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)

0298350.ZXH

Littelfuse

Electric Fuse

Inline/Holder

32 V

350 A

Tab/Blade

500 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

0298350ZXH

Littelfuse

Electric Fuse

Inline/Holder

32 V

350 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)

0311030.M

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

30 A

End Cap

Bulk

0.25 in (6.35 mm)

32 V

3AG

1.25 in (31.75 mm)

Normal

0312010.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

10 A

End Cap

298 J

-55 °C (-67 °F)

Nickel

200 A

5 s

298

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

0312010.VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

10 A

End Cap

298 J

-55 °C (-67 °F)

Tin

200 A

312

Bulk

0.25 in (6.35 mm)

e3

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Fast

031202.5HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

9.54 J

-55 °C (-67 °F)

Nickel

100 A

5 s

9.54

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

0312020.HXP

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

End Cap

1.414 kJ

-55 °C (-67 °F)

Tin

300 A

10 s

Bulk

0.25 in (6.35 mm)

e3

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

125 °C (257 °F)

Fast

0312025.HXP

Littelfuse

Electric Fuse

Inline/Holder

32 V

25 A

End Cap

2.041 kJ

-55 °C (-67 °F)

Matte Tin

300 A

10 s

2041

Tape And Reel

0.25 in (6.35 mm)

e3

32 V

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

125 °C (257 °F)

Fast

0313.125MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 mA

End Cap

152 mJ

-60 °C (-76 °F)

Nickel

35 A

5 s

0.152

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

0313.175HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

175 mA

End Cap

177 mJ

-55 °C (-67 °F)

Nickel

35 A

4 h

0.17

Bulk

0.25 in (6.35 mm)

Supplemental

250 V

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; UL

125 °C (257 °F)

Time Lag

0313004.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

4 A

End Cap

76.1 J

-60 °C (-76 °F)

Nickel

200 A

5 s

76.1

Bulk

0.25 in (6.35 mm)

Supplemental

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)

Time Lag

0313012.MXP

Littelfuse

Electric Fuse

Inline/Holder

32 V

12 A

End Cap

1.2 kJ

-60 °C (-76 °F)

Nickel

300 A

5 s

1200

Bulk

0.25 in (6.35 mm)

Supplemental

32 V

3AG

1.25 x 0.25 in (31.75 x 6.35 mm)

1.25 in (31.75 mm)

UL

125 °C (257 °F)

Time Lag

031301.2MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.2 A

End Cap

21.5 J

-60 °C (-76 °F)

Nickel

100 A

5 s

21.5

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; PSE; UL

125 °C (257 °F)

Time Lag

03131.25MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.25 A

End Cap

24 J

-60 °C (-76 °F)

Nickel

100 A

5 s

24

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; PSE; UL

125 °C (257 °F)

Time Lag

0314001.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

1 A

End Cap

690 mJ

-55 °C (-67 °F)

Nickel

100 A

Rated Breaking Capacity at 125 VDC: 10000 A

0.69

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)

Fast

0314012.MXP

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

0314040.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

150 V

40 A

End Cap

22.925 kJ

-55 °C (-67 °F)

Nickel

1 kA

Rated Breaking Capacity at 150 VDC: 400 A

22925

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; CUL; UL

125 °C (257 °F)

Fast

0315020.HXP

Littelfuse

Electric Fuse

Through Hole Mount

32 V

20 A

Pin Wire

9.56 kJ

-55 °C (-67 °F)

Matte Tin

300 A

5 s

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

Bulk

0.275 in (6.99 mm)

e3

32 V

3AG

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

0326003.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

3 A

End Cap

200 J

-55 °C (-67 °F)

Nickel

100 A

4 h

200

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)

Time Lag

0326030.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

30 A

End Cap

1.69 kJ

-55 °C (-67 °F)

Nickel

400 A

4 h

1690

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

0422.750MR

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

750 mA

Wraparound

282 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

5 s

Tape And Reel

0.246 in (6.25 mm)

0.098 in (2.5 mm)

e3

2410

0.088 in (2.24 mm)

CUL; TUV; UL

125 °C (257 °F)

Fast

0422.750MRA

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

750 mA

Wraparound

282 mJ

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.246 in (6.25 mm)

0.098 in (2.5 mm)

0.088 in (2.24 mm)

AEC-Q200; CUL; PSE; TUV; UL

125 °C (257 °F)

Fast

0422002.MRA

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

2 A

Wraparound

2.85 J

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.246 in (6.25 mm)

0.098 in (2.5 mm)

0.088 in (2.24 mm)

AEC-Q200; CUL; PSE; TUV; UL

125 °C (257 °F)

Fast

0435003.KR

Littelfuse

Electric Fuse

Surface Mount

32 V

3 A

Wraparound

203.2 mJ

-55 °C (-67 °F)

Tin Over Nickel

Rated Breaking Capacity at 32 VDC: 35 A

Tape And Reel

0.039 in (0.99 mm)

0.02 in (0.51 mm)

e3

0.039 x 0.02 x 0.012 in (0.99 x 0.51 x 0.3 mm)

0.012 in (0.3 mm)

CSE; UL

90 °C (194 °F)

Fast

0437.375WR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

375 mA

Wraparound

10 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

5 s

0.01

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)

0.033 in (0.835 mm)

CSA; CUL; UL

150 °C (302 °F)

Fast

0438.750WR

Littelfuse

Electric Fuse

Surface Mount

32 V

750 mA

Wraparound

28.1 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

4 h

0.028

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

63 V

466 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)

Fast

0438006.WRGT

Littelfuse

Electric Fuse

Surface Mount

24 V

24 V

6 A

Wraparound

1.444 J

-55 °C (-67 °F)

Tin Over Nickel

50 A

5 s

Tape And Reel

0.062 in (1.582 mm)

0.033 in (0.83 mm)

e3

24 V

8.6 mΩ

0603

0.062 x 0.033 x 0.02 in (1.582 x 0.83 x 0.516 mm)

0.02 in (0.508 mm)

CSA; CUL; UL

150 °C (302 °F)

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.