Through Hole Mount 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

025102.5NA

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

721 mJ

-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

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

268.800

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

800 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

0251002.NRHF

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

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)

CCC; CSA; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0251.750PXT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

750 mA

Pin Wire

153 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)

CSA; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0230005.VXP

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

5 A

Pin Wire

267 J

-55 °C (-67 °F)

Matte Tin

400 A

Bulk

0.185 in (4.7 mm)

e3

Indicator

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

0216.050MRET1

Littelfuse

Electric Fuse

Through Hole Mount

250 V

50 mA

Pin Wire

190 μJ

-55 °C (-67 °F)

Tin

1.2 kA

Tape And Reel

0.236 in (6 mm)

e3

0.236 x 0.886 in (6 x 22.5 mm)

0.886 in (22.5 mm)

CCC; CE; CSA; SEMKO; UL; VDE

125 °C (257 °F)

Fast

374040041

Littelfuse

Electric Fuse

Through Hole Mount

250 V

400 mA

Pin Wire

320 mJ

-40 °C (-40 °F)

Matte Tin

50 A

1 m

Bulk

0.335 in (8.5 mm)

e3

TR5

0.315 in (8 mm)

CSA; UL

85 °C (185 °F)

Time Lag

0215.250MXG

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 mA

Pin Wire

545 mJ

-55 °C (-67 °F)

1.5 kA

0.545

0.22 in (5.6 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.22 x 0.846 in (5.6 x 21.5 mm)

0.846 in (21.5 mm)

125 °C (257 °F)

Time Lag

0253015.PXT3

Littelfuse

Electric Fuse

Through Hole Mount

32 V

32 V

15 A

Pin Wire

68.8 J

-55 °C (-67 °F)

Tin

50 A

10 s

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)

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

031801.8HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.8 A

Pin Wire

3.85 J

-55 °C (-67 °F)

Tin

100 A

5 s

Bulk

0.275 in (6.99 mm)

e3

3AG

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

80815000075

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

5 A

Pin Wire

1.158 J

-65 °C (-85 °F)

Tin

200 A

10 s

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

1.15

Bulk

0.35 in (8.9 mm)

0.183 in (4.65 mm)

e3

250 V

TE5

0.35 x 0.183 x 0.348 in (8.9 x 4.65 x 8.85 mm)

0.348 in (8.85 mm)

CUL; PSE; UL

125 °C (257 °F)

Fast

0491.250NRT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 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

39500500000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

50 mA

Pin Wire

100 μJ

-40 °C (-40 °F)

Tin

100 A

1 m

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

125 V

TE5

0.335 x 0.157 x 0.315 in (8.5 x 4 x 8 mm)

0.315 in (8 mm)

UL

85 °C (185 °F)

Fast

0216004MXESPP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

4 A

Pin Wire

14.995 J

-55 °C (-67 °F)

1.5 kA

Bulk

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; CSA; CQC; IEC; KC; PSE; VDE; UL

125 °C (257 °F)

Fast

40014000075

Littelfuse

Electric Fuse

Through Hole Mount

250 V

4 A

Pin Wire

133.4 J

-40 °C (-40 °F)

Tin

130 A

20 ms

Bulk

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

TE5

0.335 x 0.157 x 0.315 in (8.5 x 4 x 8 mm)

0.315 in (8 mm)

IEC; PSE; UL

125 °C (257 °F)

Time Lag

0230.500MXF1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

500 mA

Pin Wire

1.16 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

0315.700MXBP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

700 mA

Pin Wire

5.9 J

-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

0279.250V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Pin Wire

-55 °C (-67 °F)

Tin

100 kA

4 h

Bulk

0.25 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

0473.500YRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

210 mJ

-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; UL

125 °C (257 °F)

Time Lag

325.700

Littelfuse

Electric Fuse

Through Hole Mount

250 V

700 mA

Pin Wire

6.42 J

Tin/Lead

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; UL

Slow

067702.5MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

32.5 J

-55 °C (-67 °F)

Tin

35 A

20 ms

Bulk

0.153 in (3.89 mm)

e3

0.142 x 0.394 in (3.6 x 10 mm)

0.433 in (11 mm)

CSA; CQC; UL; VDE

125 °C (257 °F)

Time Lag

06633.15

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3.15 A

Pin Wire

76 J

35 A

0663

0.335 in (8.5 mm)

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CSA; IEC; SEMKO; UL; VDE

Time Lag

228008

Littelfuse

Electric Fuse

Through Hole Mount

250 V

8 A

Pin Wire

350.5 J

80 A

228

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; IEC; UL

Time Lag

0251001T

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

256 mJ

-55 °C (-67 °F)

Tin

50 A

251

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

0251.630HXT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

94 mJ

-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; UL

125 °C (257 °F)

Very Fast

0251.630PAT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

94 mJ

-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

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; UL

125 °C (257 °F)

Very Fast

3250.75MHXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

750 mA

Pin Wire

7 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; UL

125 °C (257 °F)

Time Lag

0274004.0H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

4 A

Wire

1.38 J

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.25 in (6.35 mm)

125 V

Micro

0.35 in (8.89 mm)

CSA; QPL; UL

85 °C (185 °F)

Very Fast

0230.800VXSP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

800 mA

Pin Wire

3.45 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

0253004.VAL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

4 A

Pin Wire

2.45 J

-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; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

02200031DRT3P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Pin Wire

30 mJ

-55 °C (-67 °F)

Tin

35 A

4 h

0.03

0.177 in (4.5 mm)

Supplemental

e3

250 V

2AG

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CE, CSA, UL

125 °C (257 °F)

0253.375HRL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

375 mA

Pin Wire

29.6 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; UL

125 °C (257 °F)

Very Fast

0324012.MX24P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12 A

Pin Wire

570 J

-55 °C (-67 °F)

Tin

750 A

570

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

230005PDRTIP

Littelfuse

Electric Fuse

Through Hole Mount

125 V

5 A

Pin Wire

267 J

-55 °C (-67 °F)

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; METI; PSE; UL

125 °C (257 °F)

Slow

021502.5MXG

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

22.29 J

-55 °C (-67 °F)

1.5 kA

22.29

0.217 in (5.5 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.217 x 0.846 in (5.5 x 21.5 mm)

0.846 in (21.5 mm)

125 °C (257 °F)

Time Lag

025301.5VAL

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

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; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0251.375L

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

4 h

Rated Breaking Capacity at 125 VDC: 300 A

0.0296

0.095 in (2.41 mm)

e3

125 V

395 mΩ

0.095 x 0.28 in (2.41 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

0263005.VRT1L

Littelfuse

Electric Fuse

Through Hole Mount

250 V

5 A

Pin Wire

5.55 J

-55 °C (-67 °F)

Pure Tin

50 A

Tape And Reel

0.155 in (3.94 mm)

0.155 x 0.28 in (3.94 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

0263.250VRT1L

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 mA

Pin Wire

16.5 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Tape And Reel

0.155 in (3.94 mm)

0.155 x 0.28 in (3.94 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

224001

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

2.22 J

Tin Lead

35 A

0.177 in (4.5 mm)

e0

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CSA; METI; PSE; UL

Fast

0218.125HXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 mA

Pin Wire

146.5 mJ

-55 °C (-67 °F)

Tin

35 A

Bulk

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; IEC; KC; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

02301.25MXF1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

1.25 A

Pin Wire

9.8 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

023001.5MXOP

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

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

0315015.MXBP

Littelfuse

Electric Fuse

Through Hole Mount

125 V

15 A

Pin Wire

2.65 kJ

-55 °C (-67 °F)

300 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

0251007.MXT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

7 A

Pin Wire

10.4 J

-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; TUV; UL

125 °C (257 °F)

Very Fast

230001PDRTIP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

5.64 J

-55 °C (-67 °F)

Tin

35 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; METI; PSE; UL

125 °C (257 °F)

Slow

0217.500MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

215 mJ

-55 °C (-67 °F)

Tin

35 A

10 ms

0.215

Bulk

0.217 in (5.5 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.846 in (21.5 mm)

BSI; CCC; CE; CSA; IEC; KC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Very Fast

238.600

Littelfuse

Electric Fuse

Through Hole Mount

250 V

600 mA

Pin Wire

2.48 J

238

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; UL

Time Lag

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.