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

0251005.NRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

5 A

Pin Wire

4.14 J

-55 °C (-67 °F)

Matte Tin

50 A

4 ms

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

4.14

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; CSA; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

0272.062V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

62 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

0298125.UXT

Littelfuse

Electric Fuse

Inline/Holder

32 V

125 A

Tab/Blade

57.8 kJ

-40 °C (-40 °F)

2 kA

100 ms

Bulk

1.15 in (29.2 mm)

0.748 in (19 mm)

32 V

Mega

0.39 in (9.9 mm)

125 °C (257 °F)

Time Delay

0298125.ZXEH

Littelfuse

Electric Fuse

Inline/Holder

32 V

125 A

Tab/Blade

57.8 kJ

-40 °C (-40 °F)

2 kA

100 ms

Bulk

1.15 in (29.2 mm)

0.748 in (19 mm)

32 V

Mega

1.15 x 0.75 x 0.42 in (29.21 x 19.05 x 10.67 mm)

0.39 in (9.9 mm)

125 °C (257 °F)

Time Delay

0298125.ZXEH-UL

Littelfuse

Electric Fuse

Inline/Holder

32 V

125 A

Tab/Blade

57.8 kJ

-40 °C (-40 °F)

2 kA

100 ms

1.15 in (29.2 mm)

0.748 in (19 mm)

32 V

Mega

1.15 x 0.75 x 0.42 in (29.21 x 19.05 x 10.67 mm)

0.39 in (9.9 mm)

ISO; UL

125 °C (257 °F)

Time Delay

0298125ZXEH

Littelfuse

Electric Fuse

Inline/Holder

32 V

125 A

Tab/Blade

57.8 kJ

-40 °C (-40 °F)

Silver

2 kA

Bulk

1.15 in (29.21 mm)

0.75 in (19.05 mm)

e4

1.15 x 0.75 x 0.42 in (29.21 x 19.05 x 10.67 mm)

0.42 in (10.67 mm)

125 °C (257 °F)

0298125ZXEH-UL

Littelfuse

Electric Fuse

Inline/Holder

32 V

125 A

Tab/Blade

57.8 kJ

-40 °C (-40 °F)

2 kA

Bulk

1.15 in (29.21 mm)

0.75 in (19.05 mm)

1.15 x 0.75 x 0.42 in (29.21 x 19.05 x 10.67 mm)

0.42 in (10.67 mm)

UL

125 °C (257 °F)

Time Delay

0298400.TXN

Littelfuse

Electric Fuse

Inline/Holder

32 V

400 A

Tab/Blade

-40 °C (-40 °F)

2 kA

Bulk

1.15 in (29.21 mm)

0.75 in (19.05 mm)

1.15 x 0.75 x 0.42 in (29.21 x 19.05 x 10.67 mm)

0.42 in (10.67 mm)

125 °C (257 °F)

0298400.ZXA

Littelfuse

Electric Fuse

Inline/Holder

32 V

400 A

Tab/Blade

610 kJ

-40 °C (-40 °F)

2 kA

100 ms

Bulk

1.15 in (29.2 mm)

0.748 in (19 mm)

32 V

Mega

0.421 in (10.7 mm)

125 °C (257 °F)

Time Delay

0298400.ZXH

Littelfuse

Electric Fuse

Inline/Holder

32 V

400 A

Tab/Blade

610 kJ

-40 °C (-40 °F)

2 kA

100 ms

Bulk

1.15 in (29.2 mm)

0.748 in (19 mm)

32 V

Mega

1.15 x 0.75 x 0.42 in (29.21 x 19.05 x 10.67 mm)

0.421 in (10.7 mm)

125 °C (257 °F)

Time Delay

0298400TXN

Littelfuse

Electric Fuse

Inline/Holder

32 V

400 A

Tab/Blade

-40 °C (-40 °F)

Silver

2 kA

Bulk

1.15 in (29.21 mm)

0.75 in (19.05 mm)

e4

1.15 x 0.75 x 0.42 in (29.21 x 19.05 x 10.67 mm)

0.42 in (10.67 mm)

125 °C (257 °F)

0298400ZXH

Littelfuse

Electric Fuse

Inline/Holder

32 V

400 A

Tab/Blade

-40 °C (-40 °F)

Silver

2 kA

Bulk

1.15 in (29.21 mm)

0.75 in (19.05 mm)

e4

1.15 x 0.75 x 0.42 in (29.21 x 19.05 x 10.67 mm)

0.42 in (10.67 mm)

125 °C (257 °F)

0313.200HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

200 mA

End Cap

270 mJ

-55 °C (-67 °F)

Nickel

35 A

4 h

0.27

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

0314030.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

30 A

End Cap

2.49 kJ

-55 °C (-67 °F)

Nickel

100 A

Rated Breaking Capacity at 125 VDC: 400 A

2490

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; CUL; KC; PSE; UL

125 °C (257 °F)

Fast

0315001.HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

14 J

-55 °C (-67 °F)

Matte Tin

35 A

Bulk

0.275 in (6.985 mm)

e3

0.275 x 1.275 in (6.985 x 32.385 mm)

1.275 in (32.385 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

0315008.MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

8 A

Pin Wire

701 J

-60 °C (-76 °F)

Matte Tin

200 A

5 s

Bulk

0.275 in (6.99 mm)

e3

3AG

0.275 x 1.274 in (6.99 x 32.36 mm)

1.288 in (32.72 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Time Lag

0324006.HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

6 A

Pin Wire

45 J

-55 °C (-67 °F)

Matte Tin

750 A

Rated Breaking Capacity at 125 VDC: 10000 A

45

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)

Fast

0324010.MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

10 A

Pin Wire

206 J

-55 °C (-67 °F)

Matte Tin

750 A

Rated Breaking Capacity at 125 VDC: 10000 A

206

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)

Fast

0324015.HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

15 A

Pin Wire

292 J

-55 °C (-67 °F)

Tin

750 A

Rated Breaking Capacity at 125 VDC: 10000 A

292

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)

Fast

0324015.VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

15 A

Pin Wire

292 J

-55 °C (-67 °F)

Tin

750 A

Rated Breaking Capacity at 125 VDC: 10000 A

292

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; PSE; UL

125 °C (257 °F)

Fast

0326001.VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1 A

End Cap

16.3 J

-55 °C (-67 °F)

Nickel

100 A

5 s

Pre Arcing Time: Open within 5 s at 200% Rated Current

16.3

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

0326020.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

20 A

End Cap

575 J

-55 °C (-67 °F)

Nickel

400 A

4 h

575

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

03266.25HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

6.25 A

End Cap

60.4 J

-55 °C (-67 °F)

Nickel

400 A

4 h

60.4

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

04371.75WR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.75 A

Wraparound

75 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

1 s

0.075

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

63 V

1206

0.126 x 0.064 x 0.032 in (3.2 x 1.63 x 0.82 mm)

0.033 in (0.835 mm)

CSA; CUL; UL

150 °C (302 °F)

Fast

0438.750WRA

Littelfuse

Electric Fuse

Surface Mount

32 V

63 V

750 mA

Wraparound

28.1 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

5 s

Pre Arcing Time: Open within 5 s at 250% Rated Current

Tape And Reel

0.062 in (1.575 mm)

0.033 in (0.85 mm)

e3

32 V

466 mΩ

0603

0.062 x 0.033 x 0.02 in (1.58 x 0.85 x 0.51 mm)

0.02 in (0.508 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

0438005.WRGT

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

5 A

Wraparound

747 mJ

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.062 in (1.582 mm)

0.033 in (0.83 mm)

32 V

12.7 mΩ

0603

0.062 x 0.033 x 0.02 in (1.582 x 0.83 x 0.516 mm)

0.02 in (0.508 mm)

CSA; CUL; UL

150 °C (302 °F)

Fast

0448.080MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

80 mA

Wraparound

430 μJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.0004

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; UL

125 °C (257 °F)

Very Fast

0448.315MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

315 mA

Wraparound

26.5 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.0026

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; UL

125 °C (257 °F)

Very Fast

044802.5MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

Wraparound

1.156 J

-55 °C (-67 °F)

Gold

50 A

5 s

1.15

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

04483.15MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3.15 A

Wraparound

1.81 J

-55 °C (-67 °F)

Gold

50 A

5 s

1.8

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

0451010.MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

10 A

Wraparound

26.46 J

-55 °C (-67 °F)

35 A

5 s

Rated Breaking Capacity at 125 VDC: 50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

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; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

0452012.MRL

Littelfuse

Electric Fuse

Surface Mount

72 V

75 V

12 A

Wraparound

260.46 J

-55 °C (-67 °F)

Gold

50 A

2 ms

Rated Breaking Capacity at 75 VDC: 100 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

72 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

0453.100MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

100 mA

Wraparound

1.38 mJ

-55 °C (-67 °F)

Silver

50 A

5 s

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)

Very Fast

0454004.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

4 A

Wraparound

34.4 J

-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

0459.500UR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

J Bend

54.6 mJ

-55 °C (-67 °F)

Tin

50 A

100 ms

Pre Arcing Time: Open within 0.1 s at 300% Rated Current

0.054

Tape And Reel

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

0466.375NRHF

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

375 mA

Wraparound

4.5 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

200 ms

0.0028

Tape And Reel

0.125 in (3.175 mm)

0.06 in (1.524 mm)

Supplemental

e3

125 V

1206

0.125 x 0.06 x 0.023 in (3.18 x 1.52 x 0.58 mm)

0.023 in (0.584 mm)

CE; CSA; TUV; UL

90 °C (194 °F)

Fast

0477001.MXP

Littelfuse

Electric Fuse

Inline/Holder

500 V

400 V

1 A

End Cap

1.8 J

-55 °C (-67 °F)

Nickel

100 A

10 ms

Rated Breaking Capacity at 400 VDC: 1500 A

1.8

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)

PSE; VDE

125 °C (257 °F)

Time Lag

04773.15MXP

Littelfuse

Electric Fuse

Inline/Holder

500 V

400 V

3.15 A

End Cap

50.109 J

-55 °C (-67 °F)

Nickel

100 A

10 ms

Rated Breaking Capacity at 400 VDC: 1500 A

50.1

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)

PSE; VDE

125 °C (257 °F)

Time Lag

0498060.MXM6

Littelfuse

Electric Fuse

Inline/Holder

32 V

60 A

Tab/Blade

21.7 kJ

-40 °C (-40 °F)

2 kA

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

0.63 x 0.472 x 0.315 in (16 x 12 x 8 mm)

0.315 in (8 mm)

UL

125 °C (257 °F)

Time Delay

0501015.WRA

Littelfuse

Electric Fuse

Surface Mount

32 V

15 A

Wraparound

39.7 J

-55 °C (-67 °F)

Matte Tin Over Nickel

150 A

5 s

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

1206

0.033 in (0.835 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

0501020.WRS

Littelfuse

Electric Fuse

Surface Mount

32 V

20 A

Wraparound

54.76 J

-55 °C (-67 °F)

Tin Over Nickel

150 A

4 h

54.76

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

32 V

2 mΩ

1206

0.126 x 0.064 x 0.033 in (3.2 x 1.63 x 0.835 mm)

0.033 in (0.835 mm)

CSA; UL

150 °C (302 °F)

Fast

0505010.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

450 V

250 V

10 A

Pin Wire

91 J

-55 °C (-67 °F)

Matte Tin

20 kA

10 s

Rated Breaking Capacity at 250 VDC: 1000 A

91

Bulk

0.275 in (6.985 mm)

e3

450 V

3AB

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CUL; SEMKO; UL

125 °C (257 °F)

Fast

0505016.MXP

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

16 A

End Cap

68 J

-55 °C (-67 °F)

Nickel

50 kA

10 s

Rated Breaking Capacity at 500 VDC: 20000 A

68

Bulk

0.25 in (6.35 mm)

500 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CUL; TUV; UL

125 °C (257 °F)

Fast

0891010.NXS

Littelfuse

Electric Fuse

Inline/Holder

58 V

10 A

Tab/Blade

102 J

-40 °C (-40 °F)

1 kA

30 ms

Bulk

0.429 in (10.9 mm)

0.15 in (3.8 mm)

58 V

Mini

0.299 in (7.6 mm)

ISO

125 °C (257 °F)

0JTD400.XXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

400 A

Tab/Blade

1.055 MJ

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

2 in (50.8 mm)

600 V

Indicator

3.374 in (85.7 mm)

CSA; UL

Time Delay

0SPF015.TXS

Littelfuse

Electric Fuse

Inline/Holder

1 KV

15 A

End Cap

505 J

Silver

20 kA

4 m

Bulk

0.406 in (10.31 mm)

e4

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL

166.7000.4302

Littelfuse

Electric Fuse

Inline/Holder

80 V

3 A

Tab/Blade

8.1 J

Tin

Rated Breaking Capacity at 80 VDC: 1000A

0.748 in (19 mm)

0.197 in (5 mm)

e3

0.748 x 0.197 x 0.52 in (19 x 5 x 13.2 mm)

0.52 in (13.2 mm)

UL

230.350

Littelfuse

Electric Fuse

Through Hole Mount

250 V

350 mA

Pin Wire

490 mJ

-55 °C (-67 °F)

Tin/Lead

35 A

0.185 in (4.7 mm)

e0

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)

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.