125 V 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

0253005L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

5 A

Pin Wire

4.14 J

-55 °C (-67 °F)

Pure Tin

50 A

253

Rated Breaking Capacity at 125 VDC: 300 A

0.095 in (2.41 mm)

0.095 x 0.28 in (2.41 x 7.11 mm)

0.28 in (7.11 mm)

CSA; METI; PSE; QPL; UL

125 °C (257 °F)

Very Fast

049102.5MRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

-55 °C (-67 °F)

Pure Tin

50 A

300 ms

Pre-Arcing Time: Open within 0.3 s at 300% Rated Current

Tape And Reel

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; PSE; UL

125 °C (257 °F)

Very Fast

0481.650VP

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

650 mA

End Cap

278 mJ

-55 °C (-67 °F)

300 A

5 m

Bulk

0.701 in (17.8 mm)

0.209 in (5.3 mm)

Alarm

0.772 in (19.6 mm)

CSA; UL

90 °C (194 °F)

0253007.NRT3

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

7 A

Pin Wire

10.4 J

-55 °C (-67 °F)

Pure Tin

50 A

4 ms

Pre-Arcing Time: Open within 4 ms at 1000% Rated Current

Tape And Reel

0.103 in (2.61 mm)

Pico

0.103 x 0.28 in (2.61 x 7.11 mm)

0.28 in (7.11 mm)

CSA; CUL; QPL; TUV; UL

125 °C (257 °F)

Very Fast

R451.062MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

62 mA

Wraparound

190 μJ

-55 °C (-67 °F)

Gold with Nickel barrier

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

0.106 in (2.69 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

02302.25DAT1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

2.25 A

Pin Wire

39 J

-55 °C (-67 °F)

Matte Tin

100 A

Rated Breaking Capacity at 125 VDC: 10000 A

Tape And Reel

0.185 in (4.7 mm)

e3

0.185 x 0.57 in (4.7 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

0230005.DRT3P

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

5 A

Pin Wire

267 J

-55 °C (-67 °F)

Matte Tin

400 A

Tape And Reel

0.185 in (4.7 mm)

e3

0.185 x 0.57 in (4.7 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

0279.100H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

100 mA

Pin Wire

390 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

0251001.MAHF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

256 mJ

-55 °C (-67 °F)

Matte Tin

50 A

251

Rated Breaking Capacity at 125 VDC: 300 A

Ammo Pack

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)

CCC; CSA; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0325003.MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

3 A

Pin Wire

200 J

-55 °C (-67 °F)

Tin

100 A

5 s

Rated Breaking Capacity at 125 VDC: 10000 A

200

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; CSA; KC; PSE; UL

125 °C (257 °F)

Time Delay

0453001.

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

End Cap

459 mJ

Silver

50 A

e4

CSA; UL

Very Fast

0253.375VRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

375 mA

Pin Wire

29.6 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.11 in (2.8 mm)

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

0481020.VXM

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

20 A

End Cap

1.024 kJ

-55 °C (-67 °F)

300 A

5 m

0.701 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

CCL040

Littelfuse

Electric Fuse

Inline/Holder

125 V

40 A

Tab/Blade

10 kA

0.56 in (14.22 mm)

0.51 x 2.454 in (12.95 x 62.33 mm)

3.07 in (77.98 mm)

Time Delay

R451008.L

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

8 A

Wraparound

20.23 J

-55 °C (-67 °F)

Tin/Lead

451

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e0

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

269004

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

4 A

Tab/Blade

-55 °C (-67 °F)

Gold

10 kA

Rated Breaking Capacity at 125 VDC: 10000 A

0.235 in (5.97 mm)

e4

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

0253005.NRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

5 A

Pin Wire

4.14 J

-55 °C (-67 °F)

Pure Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.11 in (2.8 mm)

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; TUV; UL

125 °C (257 °F)

Very Fast

025101.5VXT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1.5 A

Pin Wire

587 mJ

-55 °C (-67 °F)

Matte Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

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)

CSA; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0481.650VM

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

650 mA

End Cap

723 mJ

-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

048101.5VX

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

1.5 A

End Cap

2.55 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

0251.375MAHF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

375 mA

Pin Wire

29.6 mJ

-55 °C (-67 °F)

Matte Tin

50 A

251

Rated Breaking Capacity at 125 VDC: 300 A

Ammo Pack

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)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

025101.5TL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1.5 A

Pin Wire

587 mJ

-55 °C (-67 °F)

Matte Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.095 in (2.41 mm)

e3

0.095 x 0.28 in (2.41 x 7.11 mm)

0.28 in (7.11 mm)

CSA; METI; PSE; UL

125 °C (257 °F)

Very Fast

0224.500HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

500 mA

Pin Wire

365 mJ

-55 °C (-67 °F)

Tin

35 A

1 s

Rated Breaking Capacity at 125 VDC: 10000 A

0.365

Bulk

0.189 in (4.8 mm)

e3

250 V

2AG

0.189 x 0.587 in (4.8 x 14.9 mm)

0.587 in (14.9 mm)

CE, CSA, UL

125 °C (257 °F)

Fast

0481002.

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

2 A

End Cap

5.29 J

-55 °C (-67 °F)

Tin

300 A

481

Rated Breaking Capacity at 125 VDC: 200 A, Joule Integral Nom at 125 VDC: 5.29

Box

e3

Alarm

CSA; UL

125 °C (257 °F)

0453.315MRSN

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

0.106 in (2.69 mm)

CSA; UL

125 °C (257 °F)

Very Fast

R451010.L

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

10 A

Wraparound

26.46 J

-55 °C (-67 °F)

Tin/Lead

451

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e0

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

0253.375HRT3

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

375 mA

Pin Wire

29.6 mJ

-55 °C (-67 °F)

Pure Tin

50 A

1 s

Pre Arcing Time: Open within 1 s at 200% Rated Current

Tape And Reel

0.103 in (2.61 mm)

Pico

0.103 x 0.28 in (2.61 x 7.11 mm)

0.28 in (7.11 mm)

CSA; CUL; QPL; UL

125 °C (257 °F)

Very Fast

0251001.HXHF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

256 mJ

-55 °C (-67 °F)

Matte Tin

50 A

251

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

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)

CCC; CSA; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

02512.50PAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Pin Wire

11.6 mJ

-55 °C (-67 °F)

Tin

50 A

1 s

Rated Breaking Capacity at 125 VDC: 300 A

Ammo Pack

0.11 in (2.8 mm)

e3

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

0278.002V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2 mA

Pin Wire

-55 °C (-67 °F)

100 kA

4 h

Bulk

0.235 in (5.97 mm)

125 V

Micro

0.235 x 0.287 in (5.97 x 7.3 mm)

0.287 in (7.3 mm)

CSA, UL

125 °C (257 °F)

Very Fast

275003

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

-55 °C (-67 °F)

50 A

275

Rated Breaking Capacity at 125 VDC: 300 A

0.093 in (2.36 mm)

0.093 x 0.28 in (2.36 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0448.315NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

315 mA

End Cap

26.5 mJ

-55 °C (-67 °F)

Gold

50 A

Rated Breaking Capacity at 125 VDC: 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

045201.5MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.5 A

Wraparound

3.65 J

-55 °C (-67 °F)

50 A

2 ms

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

125 V

Nano

0.106 in (2.69 mm)

CSA; CUL; UL

125 °C (257 °F)

Slow

025103.5MXT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3.5 A

Pin Wire

1.58 J

-55 °C (-67 °F)

Pure Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 1000 ms at 200% Rated Current

Bulk

0.11 in (2.8 mm)

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; TUV; UL

125 °C (257 °F)

Very Fast

0251.250VRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Pin Wire

11.6 mJ

-55 °C (-67 °F)

Matte Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 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)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

0481003.HXLM

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

3 A

End Cap

25 J

-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

3251MHXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

1 A

Pin Wire

16.3 J

-55 °C (-67 °F)

Matte Tin

100 A

Rated Breaking Capacity at 125 VDC: 10000 A

Bulk

0.275 in (6.99 mm)

e3

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

0473001.PXT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

2.01 J

-55 °C (-67 °F)

Pure Tin

50 A

Bulk

0.135 in (3.43 mm)

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 Lag

459004

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

4 A

J Bend

2.35 J

-55 °C (-67 °F)

Matte Tin

50 A

100 ms

Rated Breaking Capacity at 125VDC: 300 A

2.3

0.285 in (7.24 mm)

0.17 in (4.32 mm)

e3

125 V

Pico

0.285 x 0.17 x 0.12 in (7.24 x 4.32 x 3.05 mm)

0.12 in (3.05 mm)

CSA, UL

125 °C (257 °F)

Very Fast

0453.250

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

250 mA

End Cap

11.3 mJ

Silver

50 A

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

Nano

0.106 in (2.69 mm)

CSA; UL

Very Fast

048107.5VXL

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

7.5 A

End Cap

121 J

-55 °C (-67 °F)

Tin

300 A

5 m

0.839 in (21.3 mm)

0.228 in (5.8 mm)

e3

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

048107.5HXP

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

7.5 A

End Cap

121 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

04910.400NRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

400 mA

Pin Wire

-55 °C (-67 °F)

Pure Tin

50 A

300 ms

Pre-Arcing Time: Open within 0.3 s at 300% Rated Current

Tape And Reel

0.11 in (2.8 mm)

Pico

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

2410SFV0.75FM/125-2

Littelfuse

Electric Fuse

Surface Mount

250 V

125 V

750 mA

Wraparound

230 mJ

50 A

2410SFV0.75FM/125-2

UL

125 °C (257 °F)

Very Fast

0471001.NAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

722 mJ

-55 °C (-67 °F)

Tin

50 A

Ammo Pack

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)

CSA; PSE; UL

125 °C (257 °F)

Time Lag

125.6785.5152

Littelfuse

Electric Fuse

Inline/Holder

125 V

15 A

Tab/Blade

155 J

Silver

Rated Breaking Capacity at 125 VDC: 1000 A

0.469 in (11.9 mm)

0.15 in (3.8 mm)

e4

0.469 x 0.15 x 0.339 in (11.9 x 3.8 x 8.6 mm)

0.339 in (8.6 mm)

UL

02780.005H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

5 mA

Wire

-55 °C (-67 °F)

10 kA

5 s

Bulk

0.235 in (5.97 mm)

125 V

Micro

0.287 in (7.3 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

593015

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

15 A

End Cap

Nickel

593

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.