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

0253.125MXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

125 mA

Pin Wire

1.74 mJ

-55 °C (-67 °F)

Tin

50 A

0253

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

0.103 in (2.61 mm)

e3

0.103 x 0.28 in (2.61 x 7.11 mm)

0.28 in (7.11 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

0253.500PXT3L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Pure Tin

50 A

253

Rated Breaking Capacity at 125 VDC: 300 A

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; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0251002.VRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2 A

Pin Wire

405 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; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

025103.5HXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3.5 A

Pin Wire

1.58 J

-55 °C (-67 °F)

Tin

50 A

1 s

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

Bulk

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; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

0251002.NXT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2 A

Pin Wire

405 mJ

-55 °C (-67 °F)

Tin

50 A

4 ms

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

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)

CCC; CSA; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0251.630HRHF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

94 mJ

-55 °C (-67 °F)

Matte Tin

50 A

251

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; UL

125 °C (257 °F)

Very Fast

0473.750MAT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

750 mA

Pin Wire

760 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Ammo Pack

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; UL

125 °C (257 °F)

Time Lag

04910.125NRT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

125 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

0325015.MXSPP

Littelfuse

Electric Fuse

Through Hole Mount

125 V

15 A

Pin Wire

245 J

-55 °C (-67 °F)

10 kA

5 s

Bulk

0.25 in (6.36 mm)

3AB

1.25 in (31.74 mm)

CE; CSA; KC; PSE; TUV; UL

125 °C (257 °F)

Slow

0253.375PX

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

375 mA

Pin Wire

29.6 mJ

-55 °C (-67 °F)

50 A

1 s

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

Bulk

0.103 in (2.61 mm)

125 V

Pico

0.28 in (7.11 mm)

CSA; CUL; QPL; UL

125 °C (257 °F)

Very Fast

0253.125HAL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

125 mA

Pin Wire

1.74 mJ

-55 °C (-67 °F)

Tin

50 A

0253

Rated Breaking Capacity at 125 VDC: 300 A

Ammo Pack

0.103 in (2.61 mm)

e3

0.103 x 0.28 in (2.61 x 7.11 mm)

0.28 in (7.11 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

048101.5HXL

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

1.5 A

End Cap

2.55 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

04732.25PRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2.25 A

Pin Wire

9.28 J

-55 °C (-67 °F)

Pure Tin

50 A

Tape And Reel

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

0278.500V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

-55 °C (-67 °F)

Tin

100 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, UL

125 °C (257 °F)

Very Fast

0451.630NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

630 mA

Wraparound

143 mJ

-55 °C (-67 °F)

Tin/Lead

50 A

4 h

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e0

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; UL

125 °C (257 °F)

Very Fast

0253.375T1

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

0253

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; QPL; UL

125 °C (257 °F)

Very Fast

02512.50MAL

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

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

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; CUL; UL

125 °C (257 °F)

Very Fast

049102.5NRT1HF

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

0453.200NRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

200 mA

Wraparound

8.9 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

BLF020.

Littelfuse

Electric Fuse

Inline/Holder

125 V

20 A

End Cap

10 kA

0.406 in (10.31 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Fast

0253.630PXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

94 mJ

-55 °C (-67 °F)

Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

0.103 in (2.61 mm)

e3

0.103 x 0.28 in (2.61 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0491.800MRT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

800 mA

Pin Wire

-55 °C (-67 °F)

50 A

4 h

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, UL

125 °C (257 °F)

Very Fast

0453010.

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

10 A

Wraparound

26.46 J

-55 °C (-67 °F)

Silver

35 A

4 h

Rated Breaking Capacity at 125 VDC: 50 A

26.46

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

5.6 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)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

0251002.HXHF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2 A

Pin Wire

405 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

0251.062NXHF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

62 mA

Pin Wire

110 μJ

-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)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

0453003.NRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

Wraparound

1.65 J

-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; PSE; UL

125 °C (257 °F)

Very Fast

0235005.HXEP

Littelfuse

Electric Fuse

Through Hole Mount

125 V

5 A

Wire

27.41 J

-55 °C (-67 °F)

10 kA

5 s

Bulk

0.197 in (5 mm)

125 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

125 °C (257 °F)

Fast

0253.750HRL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

750 mA

Pin Wire

153 mJ

-55 °C (-67 °F)

Tin

50 A

0253

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.103 in (2.61 mm)

e3

0.103 x 0.28 in (2.61 x 7.11 mm)

0.28 in (7.11 mm)

CSA; QPL; TUV; UL

125 °C (257 °F)

Very Fast

044801.6

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.6 A

End Cap

1.122 J

-55 °C (-67 °F)

Gold

50 A

Rated Breaking Capacity at 125 VDC: 50 A

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; METI; PSE; UL

125 °C (257 °F)

Very Fast

0476010.MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

10 A

Wraparound

14.879 J

-55 °C (-67 °F)

Tin

100 A

2 m

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 120 s at 200% Rated Current

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e3

Nano

0.106 in (2.69 mm)

CUL; UL

125 °C (257 °F)

Fast

02515.00NXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Tin

50 A

4 ms

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

0.0598

Bulk

0.11 in (2.8 mm)

Supplemental

e3

125 V

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; CUL; TUV; UL

125 °C (257 °F)

Very Fast

0453.080MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

80 mA

Wraparound

330 μJ

-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

0454.750NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

750 mA

Wraparound

904 mJ

-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

0253.500NA

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

50 A

4 ms

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

Ammo Pack

0.103 in (2.61 mm)

125 V

Pico

0.28 in (7.11 mm)

CCC; CSA; CUL; QPL; TUV; UL

125 °C (257 °F)

Very Fast

02780.125H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

125 mA

Wire

691 μJ

-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

0481.375HM

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

375 mA

End Cap

230 mJ

-55 °C (-67 °F)

40 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

0453.125NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

125 mA

Wraparound

2.86 mJ

-55 °C (-67 °F)

Silver

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; UL

125 °C (257 °F)

Very Fast

0451.315NRL

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

0229005.HXP

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

5 A

End Cap

267 J

-55 °C (-67 °F)

Tin

400 A

4 h

267

Bulk

0.177 in (4.5 mm)

e3

125 V

2AG

Indicator

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

025103.5MX

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3.5 A

Pin Wire

1.58 J

-55 °C (-67 °F)

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)

e3

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

273.750

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

750 mA

Tab/Blade

90 mJ

-55 °C (-67 °F)

10 kA

2 s

Pre Arcing Time: Open within 2 s at 200% Rated Current

0.25 in (6.35 mm)

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

0451002.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2 A

Wraparound

530 mJ

-55 °C (-67 °F)

Tin/Lead

50 A

4 h

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e0

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; PSE; UL

125 °C (257 °F)

Very Fast

0272.250V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Pin Wire

-55 °C (-67 °F)

Tin

100 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, UL

125 °C (257 °F)

Very Fast

015702.5DR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

Wraparound

1.029 J

-55 °C (-67 °F)

Matte Tin

50 A

5 s

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e3

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)

PSE; UL

125 °C (257 °F)

Very Fast

0316005.NAT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

5 A

Pin Wire

4.14 J

-55 °C (-67 °F)

Tin

50 A

4 h

4.14

Ammo Pack

0.11 in (2.8 mm)

Supplemental

e3

125 V

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC

125 °C (257 °F)

Very Fast

023302.5P

Littelfuse

Electric Fuse

Inline/Holder

125 V

2.5 A

End Cap

17.041 J

-55 °C (-67 °F)

Nickel

10 kA

233P

Bulk; Tape And Reel

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Medium

025301.5HRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1.5 A

Pin Wire

587 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; PSE; TUV; UL

125 °C (257 °F)

Very Fast

0251002.PAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2 A

Pin Wire

405 mJ

-55 °C (-67 °F)

Tin

50 A

4 ms

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)

CCC; CSA; PSE; QPL; TUV; UL

125 °C (257 °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.