Pin Wire 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

0251012.HRT1L

Littelfuse

Electric Fuse

Through Hole Mount

32 V

32 V

12 A

Pin Wire

45.2 J

-55 °C (-67 °F)

Tin

50 A

10 s

Pre Arcing Time: Open within 10 s at 200% Rated Current

Tape And Reel

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

3253MHXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

3 A

Pin Wire

200 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; KTL; PSE; UL

125 °C (257 °F)

Time Lag

268.500

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

-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; UL

125 °C (257 °F)

Very Fast

0251.375PRHF

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

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

FM08A125V1A

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

-55 °C (-67 °F)

300 A

0.28 in (7.11 mm)

125 V

Pico

0.28 x 0.28 in (7.11 x 7.11 mm)

0.28 in (7.11 mm)

MIL-PRF-23419/8

125 °C (257 °F)

Very Fast

0253003T1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

1.19 J

-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; METI; PSE; QPL; UL

125 °C (257 °F)

Very Fast

0263005.WXL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

5 A

Pin Wire

5.55 J

-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

0253.375T

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

375 mA

Pin Wire

29.6 mJ

-55 °C (-67 °F)

Tin

50 A

253

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; PSE; QPL; UL

125 °C (257 °F)

Very Fast

0251010.MX

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

10 A

Pin Wire

25.5 J

-55 °C (-67 °F)

Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 4 ms at 1000% 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; QPL; TUV; UL

125 °C (257 °F)

Very Fast

32512MMXDP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

60 V

12 A

Pin Wire

129 J

-55 °C (-67 °F)

Matte Tin

400 A

Rated Breaking Capacity at 60 VDC: 500 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; KTL; PSE; UL

125 °C (257 °F)

Time Lag

0496100

Littelfuse

Electric Fuse

Inline/Holder

32 V

100 A

Pin Wire

-40 °C (-40 °F)

300 ms

2.394 in (60.8 mm)

0.72 in (18.3 mm)

2.394 x 0.72 x 0.661 in (60.8 x 18.3 x 16.8 mm)

0.661 in (16.8 mm)

UL

125 °C (257 °F)

Time Delay

268.100

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

100 mA

Pin Wire

-55 °C (-67 °F)

Gold

10 kA

4 h

Rated Breaking Capacity at 125 VDC: 10000 A

0.235 in (5.97 mm)

e4

125 V

1.17 Ω

Micro

0.235 x 0.29 in (5.97 x 7.37 mm)

0.29 in (7.37 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0473004.MRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

4 A

Pin Wire

35 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

0230.750MXSP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

750 mA

Pin Wire

2.95 J

-55 °C (-67 °F)

Matte Tin

35 A

Rated Breaking Capacity at 125 VDC: 10000 A

Bulk

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; UL

125 °C (257 °F)

Time Lag

0208002MXE

Littelfuse

Electric Fuse

Through Hole Mount

350 V

2 A

Pin Wire

1.5 J

-55 °C (-67 °F)

Tin

100 A

Bulk

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; PSE; UL

125 °C (257 °F)

Fast

02161.25MRET1

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.25 A

Pin Wire

480 mJ

-55 °C (-67 °F)

Tin

1.2 kA

Tape And Reel

0.228 in (5.8 mm)

e3

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

CCC; CE; CSA; KTL; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Fast

032503.2MX52P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3.2 A

Pin Wire

214 J

-55 °C (-67 °F)

Tin

4 h

214

0.275 in (6.985 mm)

e3

250 V

3AB

0.275 x 1.288 in (6.985 x 32.72 mm)

1.288 in (32.72 mm)

CE, CSA, PSE, UL

125 °C (257 °F)

Time Lag

0253.375HA

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

Ammo Pack

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

03163.15NRT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3.15 A

Pin Wire

1.19 J

-55 °C (-67 °F)

Tin

50 A

4 h

1.19

Tape And Reel

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

0230003.HXSP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

3 A

Pin Wire

77 J

-55 °C (-67 °F)

Matte Tin

100 A

Rated Breaking Capacity at 125 VDC: 10000 A

Bulk

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

0253002T

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2 A

Pin Wire

405 mJ

-55 °C (-67 °F)

Tin

50 A

253

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; QPL; UL

125 °C (257 °F)

Very Fast

0253007.HRT3L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

7 A

Pin Wire

10.4 J

-55 °C (-67 °F)

Tin

50 A

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

0253.125MXT3L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

125 mA

Pin Wire

1.74 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; UL

125 °C (257 °F)

Very Fast

0324001.MX24P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

690 mJ

-55 °C (-67 °F)

Tin

100 A

0.69

0.275 in (6.99 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, PSE, UL

125 °C (257 °F)

Fast

0251012.HXT1

Littelfuse

Electric Fuse

Through Hole Mount

32 V

32 V

12 A

Pin Wire

45.2 J

-55 °C (-67 °F)

Pure Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 10000 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; UL

125 °C (257 °F)

Very Fast

049101.5MRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1.5 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

0272.500V

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

0325.750MXF31P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

750 mA

Pin Wire

13 J

-55 °C (-67 °F)

Tin

4 h

7

0.275 in (6.985 mm)

e3

250 V

3AB

0.275 x 1.288 in (6.985 x 32.72 mm)

1.288 in (32.72 mm)

CE, CSA, UL

125 °C (257 °F)

Time Lag

236003

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

8.62 J

236

0.207 in (5.25 mm)

0.207 x 0.886 in (5.25 x 22.5 mm)

0.886 in (22.5 mm)

CSA; MITI; UL

Fast

0672.750

Littelfuse

Electric Fuse

Through Hole Mount

250 V

750 mA

Pin Wire

254 mJ

Tin Lead

50 A

672

0.154 in (3.9 mm)

e0

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; UL

Fast

0274.100H

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

125 °C (257 °F)

Very Fast

0251.250NAL

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

0662.250

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

250 mA

Pin Wire

58 mJ

-40 °C (-40 °F)

Matte Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

0.335 in (8.5 mm)

e3

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CCC; KTL; PSE; UL; VDE

85 °C (185 °F)

Fast

025102.5HAT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

721 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; TUV; UL

125 °C (257 °F)

Very Fast

0251003.PAT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

1.19 J

-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

324.125

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

125 mA

Pin Wire

1.49 mJ

Tin/Lead

35 A

0.275 in (6.99 mm)

e0

0.275 x 1.275 in (6.99 x 32.39 mm)

1.275 in (32.39 mm)

CSA; PSE; QPL; UL

Fast

0491003.NAT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 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

Ammo Pack

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

0673.250

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 mA

Pin Wire

25.2 mJ

50 A

673

0.154 in (3.9 mm)

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; UL

Slow

021612.5MRET3

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12.5 A

Pin Wire

235 J

-55 °C (-67 °F)

Tin

1.2 kA

Tape And Reel

0.228 in (5.8 mm)

e3

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

CE; CSA; UL

125 °C (257 °F)

Fast

1941500040

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

5 A

Pin Wire

35 J

-25 °C (-13 °F)

1.5 kA

3 ms

Bulk

0.213 in (5.4 mm)

250 V

3 ms

0.197 x 0.787 in (5 x 20 mm)

0.213 x 0.827 in (5.4 x 21 mm)

0.827 in (21 mm)

SEMKO, UL, VDE

70 °C (158 °F)

Fast

0305.050M

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

50 mA

Pin Wire

190 μJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

50 °C (122 °F)

0253.750MAT3L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

750 mA

Pin Wire

153 mJ

-55 °C (-67 °F)

Pure Tin

50 A

253

Rated Breaking Capacity at 125 VDC: 300 A

Ammo Pack

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

0267015.VXT

Littelfuse

Electric Fuse

Through Hole Mount

32 V

15 A

Pin Wire

-55 °C (-67 °F)

Gold

50 A

10 s

Rated Breaking Capacity at 32 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

0251.062NXT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

62 mA

Pin Wire

110 μJ

-55 °C (-67 °F)

Tin

50 A

1 s

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)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

023001.5DRT2P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

1.5 A

Pin Wire

15 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

0315.040MXBP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

40 mA

Pin Wire

6.3 mJ

-55 °C (-67 °F)

35 A

5 s

Bulk

0.275 in (6.985 mm)

3AG

1.275 in (32.39 mm)

CE; CSA; UL

125 °C (257 °F)

Slow

0315010.HX250P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

10 A

Pin Wire

1.285 kJ

-55 °C (-67 °F)

200 A

5 s

Bulk

0.275 in (6.985 mm)

3AG

1.275 in (32.39 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Slow

1941630040

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

75 J

-25 °C (-13 °F)

1.5 kA

Bulk

0.213 in (5.4 mm)

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.827 in (21 mm)

CUL; DIN; IEC; SEMKO; UL; VDE

70 °C (158 °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.