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

0312002.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2 A

End Cap

5.2 J

-55 °C (-67 °F)

Nickel

100 A

5 s

5.2

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

0312004.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

4 A

End Cap

28.5 J

-55 °C (-67 °F)

Nickel

200 A

5 s

28.5

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

0313.500MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

2.55 J

-60 °C (-76 °F)

Nickel

35 A

5 s

2.55

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

0314020.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

20 A

End Cap

631 J

-55 °C (-67 °F)

Nickel

1 kA

Rated Breaking Capacity at 125 VDC: 10000 A

631

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

0325020.HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

20 A

Pin Wire

575 J

-55 °C (-67 °F)

Tin

400 A

4 h

575

Bulk

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; KC; PSE; UL

125 °C (257 °F)

Time Lag

0456050.DRSDE

Littelfuse

Electric Fuse

Surface Mount

250 V

80 V

50 A

Wraparound

2.7 kJ

-55 °C (-67 °F)

150 A

1 m

Pre Arcing Time: Open within 60 s at 200% Rated Current; Rated Breaking Capacity at 80 VDC: 600 A

Tape And Reel

0.48 in (12.2 mm)

0.177 in (4.5 mm)

250 V

Nano

0.177 in (4.5 mm)

CUL; CSA; UL

125 °C (257 °F)

Fast

0469008.WR

Littelfuse

Electric Fuse

Surface Mount

24 V

8 A

Wraparound

23.72 J

-55 °C (-67 °F)

60 A

2 ms

0.23

Tape And Reel

0.129 in (3.27 mm)

0.064 in (1.63 mm)

24 V

17 mΩ

1206

0.129 x 0.064 x 0.035 in (3.27 x 1.63 x 0.9 mm)

0.035 in (0.9 mm)

CSA; CUL; UL

150 °C (302 °F)

Slow

0470.500DRSNP

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

28.74 mJ

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.13 in (3.302 mm)

0.062 in (1.575 mm)

1206

0.046 in (1.168 mm)

CUL; UL

125 °C (257 °F)

Fast

0477012.MXP

Littelfuse

Electric Fuse

Inline/Holder

500 V

400 V

12 A

End Cap

576 J

-55 °C (-67 °F)

Nickel

100 A

10 ms

Rated Breaking Capacity at 400 VDC: 500 A

576

Bulk

0.205 in (5.2 mm)

500 V

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)

CUL; PSE; TUV; UL

125 °C (257 °F)

Time Lag

0876.630MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

630 mA

Pin Wire

170 mJ

-55 °C (-67 °F)

35 A

3 ms

0.17

Bulk

0.142 in (3.6 mm)

250 V

0.142 x 0.394 in (3.6 x 10 mm)

0.142 x 0.394 in (3.6 x 10 mm)

0.394 in (10 mm)

CCC; CUL; KC; UL; VDE

125 °C (257 °F)

Fast

0SPF025.T

Littelfuse

Electric Fuse

Inline/Holder

1 KV

25 A

End Cap

2.141 kJ

50 kA

4 m

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; TUV; UL

Fast

142.5395.6302

Littelfuse

Electric Fuse

Inline/Holder

58 V

300 A

Tab/Blade

486 kJ

-40 °C (-40 °F)

1 kA

100 ms

1.142 in (29 mm)

58 V

1.142 x 0.74 x 0.366 in (29 x 18.8 x 9.3 mm)

0.37 in (9.4 mm)

UL

125 °C (257 °F)

Slow

157.5701.5501

Littelfuse

Electric Fuse

Inline/Holder

48 V

50 A

Tab/Blade

-40 °C (-40 °F)

300 A

200 ms

Bulk

1.26 in (32 mm)

0.866 in (22 mm)

48 V

1.26 x 0.866 x 0.413 in (32 x 22 x 10.5 mm)

0.413 in (10.5 mm)

CUL; UL

125 °C (257 °F)

20101000021P

Littelfuse

Electric Fuse

Inline/Holder

250 V

100 mA

End Cap

31 mJ

-25 °C (-13 °F)

80 A

5 ms

Pre Arcing Time: Open within 5 ms at 1000% Rated Current

Bulk

0.205 in (5.2 mm)

0.197 x 0.787 in (5 x 20 mm)

Indicator

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CUL; UL

70 °C (158 °F)

Medium Time Lag

37316300410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

9.1 J

-40 °C (-40 °F)

Matte Tin

50 A

5 s

Bulk

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CSA; CUL; UL

85 °C (185 °F)

Very Fast

38321000000

Littelfuse

Electric Fuse

Through Hole Mount

320 V

10 A

Pin Wire

365 J

-40 °C (-40 °F)

Matte Tin

50 A

20 ms

Ammo Pack; Tape

0.335 in (8.5 mm)

e3

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CE; CUL; PSE; UL

85 °C (185 °F)

Time Lag

39515000000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

5 A

Pin Wire

6.1 J

-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)

PSE; UL

85 °C (185 °F)

Fast

EV1K100.ZXBD

Littelfuse

Electric Fuse

Inline/Holder

1 KV

100 A

Tab/Blade

2.67 kJ

-40 °C (-40 °F)

30 kA

Bulk

1 in (25.4 mm)

2.875 in (73.03 mm)

125 °C (257 °F)

JTD090

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

90 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.126 in (28.6 mm)

2.626 in (66.7 mm)

CSA; UL

Time Delay

KLKR001.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 A

Tab/Blade

80 J

Silver

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

CC

e4

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE, CSA, UL

Fast

L50QS150.V

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

150 A

Tab/Blade

2.382 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Bulk

1.218 in (30.94 mm)

10 ms

2.125 in (53.98 mm)

CE; CUL; UL

125 °C (257 °F)

Very Fast

0215012.TXP

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

12 A

Wraparound

515.5 J

-55 °C (-67 °F)

Nickel

1.5 kA

Pre Arcing Time: Open within 0.01 s at 1000% Rated Current

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; CUL; PSE; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

0215015.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

15 A

End Cap

1.237 kJ

-55 °C (-67 °F)

Nickel

500 A

10 ms

Pre Arcing Time: Open within 10 ms at 1000% Rated Current

1237

Bulk

0.205 in (5.2 mm)

250 V

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)

IEC; PSE; SEMKO; UL

125 °C (257 °F)

Time Lag

02163.15MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

3.15 A

End Cap

6.7 J

-55 °C (-67 °F)

Nickel

1.5 kA

20 ms

6.7

Bulk

0.205 in (5.2 mm)

250 V

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)

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

125 °C (257 °F)

Fast

0216.315MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

315 mA

End Cap

10 mJ

-55 °C (-67 °F)

Tin

1.5 kA

20 ms

0.01

Bulk

0.205 in (5.2 mm)

e3

250 V

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)

CCC; CE; CSA; IEC; SEMKO; UL; VDE

125 °C (257 °F)

Fast

0218004.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

4 A

End Cap

69.1 J

-55 °C (-67 °F)

Nickel

40 A

20 ms

69.1

Bulk

0.205 in (5.2 mm)

250 V

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)

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

125 °C (257 °F)

Time Lag

0230007.MXP

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

7 A

Pin Wire

464 J

-55 °C (-67 °F)

Matte Tin

400 A

3 s

464

Bulk

0.189 in (4.8 mm)

e3

125 V

2AG

0.185 x 0.57 in (4.7 x 14.48 mm)

0.587 in (14.9 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

0232002.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2 A

End Cap

8.25 J

-60 °C (-76 °F)

Nickel

10 kA

2 m

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

Bulk

0.205 in (5.2 mm)

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)

CE; KC; PSE

125 °C (257 °F)

Medium

023902.5MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

79.705 J

-55 °C (-67 °F)

Nickel

100 A

2 m

79.705

Bulk

0.205 in (5.2 mm)

Supplemental

250 V

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)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Time Lag

0242.080UR

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

80 mA

Wraparound

210 μJ

-40 °C (-40 °F)

Matte Tin Over Nickel

4 kA

4 h

Rated Breaking Capacity at 250 VDC: 4000 A

0.0002

Tape And Reel

0.119 in (3.02 mm)

e3

250 V

0.119 x 0.331 in (3.02 x 8.4 mm)

0.331 in (8.4 mm)

UL

125 °C (257 °F)

0251.500MAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Matte 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; QPL; TUV; UL

125 °C (257 °F)

Very Fast

02515.00MAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Matte 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; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0287002.PXS

Littelfuse

Electric Fuse

Inline/Holder

32 V

2 A

Tab/Blade

1.4 J

-40 °C (-40 °F)

Tin

1 kA

20 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)

0287020.H

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

520 J

-40 °C (-40 °F)

Silver

1 kA

80 ms

0.752 in (19.1 mm)

0.201 in (5.1 mm)

e4

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)

0308.250UR

Littelfuse

Electric Fuse

032602.5HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

2.5 A

End Cap

136 J

-55 °C (-67 °F)

Nickel

100 A

4 h

136

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

032602.5MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

2.5 A

End Cap

185 J

-55 °C (-67 °F)

Nickel

100 A

5 s

Rated Breaking Capacity at 125 VDC: 10000 A

136

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 Delay

0326025.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

25 A

End Cap

1.03 kJ

-55 °C (-67 °F)

Nickel

400 A

4 h

1030

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

0326025.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

25 A

End Cap

1.03 kJ

-55 °C (-67 °F)

Nickel

400 A

5 s

Rated Breaking Capacity at 125 VDC: 600 A

1030

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 Delay

0407005.WR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

5 A

Wraparound

7.8 J

-55 °C (-67 °F)

Tin Over Nickel

50 A

2 ms

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

32 V

16 mΩ

1206

0.033 in (0.835 mm)

UL

150 °C (302 °F)

Time Lag

0435.500KRHF

Littelfuse

Electric Fuse

Surface Mount

32 V

500 mA

Wraparound

5.3 mJ

-55 °C (-67 °F)

Matte Tin with Nickel barrier

35 A

4 h

Rated Breaking Capacity at 32 VDC: 35 A, Joule Integral Nom at 32 VDC: 0.0053

0.0053

Tape And Reel

0.041 in (1.04 mm)

0.022 in (0.56 mm)

e3

32 V

Nano

0.041 x 0.022 x 0.015 in (1.04 x 0.56 x 0.38 mm)

0.015 in (0.38 mm)

CSA; UL

90 °C (194 °F)

Very Fast

0435.500.KRHF

Littelfuse

Electric Fuse

500 mA

-55 °C (-67 °F)

Matte Tin with Nickel barrier

35 A

4 h

0.0053

Tape And Reel

0.041 in (1.04 mm)

0.022 in (0.559 mm)

e3

32 V

160 mΩ

0.041 x 0.022 x 0.015 in (1.04 x 0.559 x 0.39 mm)

0.015 in (0.39 mm)

CSA; UL

90 °C (194 °F)

Very Fast

0443002.DR

Littelfuse

Electric Fuse

Surface Mount

250 V

125 V

2 A

Wraparound

18.06 J

-55 °C (-67 °F)

Silver

50 A

2 m

Rated Breaking Capacity at 125 VDC: 100 A

18.06

Tape And Reel

0.397 in (10.08 mm)

0.12 in (3.05 mm)

e4

250 V

0.398 x 0.123 x 0.123 in (10.1 x 3.12 x 3.12 mm)

0.12 in (3.05 mm)

CUL; IEC; PSE; TUV; UL

125 °C (257 °F)

Slow

0443003.DR

Littelfuse

Electric Fuse

Surface Mount

250 V

125 V

3 A

Wraparound

51.44 J

-55 °C (-67 °F)

Silver

50 A

2 m

Rated Breaking Capacity at 125 VDC: 100 A

51.44

Tape And Reel

0.397 in (10.08 mm)

0.12 in (3.05 mm)

e4

250 V

0.398 x 0.123 x 0.123 in (10.1 x 3.12 x 3.12 mm)

0.12 in (3.05 mm)

CUL; IEC; PSE; TUV; UL

125 °C (257 °F)

Slow

0448001.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

441 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.441

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

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)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

044803.5MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3.5 A

Wraparound

2.3 J

-55 °C (-67 °F)

Gold

50 A

5 s

2.3

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

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)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

0452002.NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2 A

Wraparound

8.2 J

-55 °C (-67 °F)

Gold

50 A

2 ms

8.2

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

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)

CSA; CUL; UL

125 °C (257 °F)

Slow

045203.5MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3.5 A

Wraparound

26.53 J

-55 °C (-67 °F)

Gold

50 A

2 ms

26.53

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

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)

CSA; CUL; UL

125 °C (257 °F)

Slow

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.