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

021506.3HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

128.75 J

-55 °C (-67 °F)

Nickel

1.5 kA

10 ms

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Time Lag

0216.250MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

8.91 mJ

-55 °C (-67 °F)

Nickel

1.5 kA

20 ms

0.0089

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; SEMKO; UL; VDE

125 °C (257 °F)

Fast

0218.315MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

1.11 J

-55 °C (-67 °F)

Tin

35 A

20 ms

1.11

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)

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

125 °C (257 °F)

Time Lag

0218.400HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

1.325 J

-55 °C (-67 °F)

Nickel

35 A

1.325

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)

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

125 °C (257 °F)

Time Lag

02183.15MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3.15 A

Pin Wire

38.15 J

-55 °C (-67 °F)

Tin

35 A

20 ms

38.15

Bulk

0.217 in (5.5 mm)

Supplemental

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)

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

125 °C (257 °F)

Time Lag

0234001.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

1.975 J

-55 °C (-67 °F)

Nickel

100 A

400 ms

1.975

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)

CE; CSA; PSE; UL

125 °C (257 °F)

Medium

0285.500HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

300 mJ

-55 °C (-67 °F)

Gold

1.5 kA

50 ms

Bulk

0.205 in (5.2 mm)

e4

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)

125 °C (257 °F)

0298200ZXEH

Littelfuse

Electric Fuse

Inline/Holder

32 V

200 A

Tab/Blade

204 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)

0298200.ZXEH

Littelfuse

Electric Fuse

Inline/Holder

32 V

200 A

Tab/Blade

204 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

0299040.ZXNV

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

8.5 kJ

-40 °C (-40 °F)

Silver

1 kA

40 ms

8450

Bulk

1.15 in (29.2 mm)

0.346 in (8.8 mm)

e4

32 V

1.15 x 0.348 x 0.85 in (29.21 x 8.85 x 21.59 mm)

0.85 in (21.6 mm)

UL

125 °C (257 °F)

Time Delay

0299040ZXNV

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

8.45 kJ

-40 °C (-40 °F)

Silver

Rated Breaking Capacity at 32 VDC: 1000 A

1.15 in (29.21 mm)

0.348 in (8.85 mm)

e4

1.15 x 0.348 x 0.85 in (29.21 x 8.85 x 21.59 mm)

0.85 in (21.59 mm)

125 °C (257 °F)

0312004.MXP

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

0313005.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

5 A

End Cap

140 J

-55 °C (-67 °F)

Nickel

200 A

5 s

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

140

Bulk

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; KTL; PSE; UL

125 °C (257 °F)

Time Lag

0314025.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

25 A

End Cap

1.45 kJ

-55 °C (-67 °F)

Nickel

100 A

Rated Breaking Capacity at 125 VDC: 400 A

1450

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

0315.500MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

2.55 J

-60 °C (-76 °F)

35 A

5 s

Bulk

0.275 in (6.99 mm)

3AG

0.275 x 1.274 in (6.99 x 32.36 mm)

1.288 in (32.72 mm)

CE; CSA; UL

125 °C (257 °F)

Time Lag

0322030.MXP

Littelfuse

Electric Fuse

Inline/Holder

65 V

30 A

End Cap

540 J

-55 °C (-67 °F)

200 A

1 s

540

Bulk

0.25 in (6.35 mm)

65 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; UL

125 °C (257 °F)

Very Fast

0322030MXP

Littelfuse

Electric Fuse

30 A

End Cap

-55 °C (-67 °F)

Nickel

200 A

4 h

540

0.25 in (6.35 mm)

Supplemental

65 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE, UL

125 °C (257 °F)

Very Fast

0324020.MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

20 A

Pin Wire

631 J

-55 °C (-67 °F)

Matte Tin

1 kA

Rated Breaking Capacity at 125 VDC: 10000 A

631

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; CUL; KC; PSE; TUV; UL

125 °C (257 °F)

Fast

0326.010HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

10 mA

End Cap

1.48 mJ

-55 °C (-67 °F)

Nickel

100 A

4 h

0.0014

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

125 °C (257 °F)

Time Lag

0326010.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

10 A

End Cap

137 J

-55 °C (-67 °F)

Nickel

400 A

4 h

137

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

0437007.WR

Littelfuse

Electric Fuse

Surface Mount

32 V

35 V

7 A

Wraparound

5.02 J

-55 °C (-67 °F)

Tin Over Nickel

50 A

1 s

5.02

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

35 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

0437007.WRA

Littelfuse

Electric Fuse

Surface Mount

32 V

35 V

7 A

Wraparound

5.02 J

-55 °C (-67 °F)

Tin with Nickel barrier

50 A

1 s

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

1206

0.126 x 0.064 x 0.033 in (3.2 x 1.63 x 0.84 mm)

0.033 in (0.835 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

0449001.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

1.76 J

-55 °C (-67 °F)

Gold

50 A

2 ms

1.7

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)

CUL; UL

125 °C (257 °F)

Slow

0453.500MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

82.4 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

0453002MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2 A

Wraparound

530 mJ

-55 °C (-67 °F)

Silver

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

Nano

0.106 in (2.69 mm)

CSA, PSE, UL

125 °C (257 °F)

Very Fast

0453002.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2 A

Wraparound

530 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)

CE; CSA; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

0454002.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2 A

Wraparound

8.2 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

0473.375MRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

375 mA

Pin Wire

85 mJ

-60 °C (-76 °F)

Tin

50 A

2 ms

Pre Arcing Time: Blow within 0.002 s at 800% Rated Current

0.085

Tape And Reel

0.135 in (3.43 mm)

e3

125 V

Pico

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 Delay

0473002.MRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2 A

Pin Wire

7.6 J

-60 °C (-76 °F)

Tin

50 A

2 ms

Pre Arcing Time: Blow within 0.002 s at 800% Rated Current

7.6

Tape And Reel

0.135 in (3.43 mm)

e3

125 V

Pico

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 Delay

0495030.ZXA

Littelfuse

Electric Fuse

Inline/Holder

32 V

30 A

Tab/Blade

1.5 kJ

-40 °C (-40 °F)

1 kA

40 ms

0.555 in (14.1 mm)

0.472 in (12 mm)

32 V

1.063 in (27 mm)

UL

125 °C (257 °F)

Time Delay

0495030ZXA

Littelfuse

Electric Fuse

Inline/Holder

32 V

30 A

Tab/Blade

1.5 kJ

-40 °C (-40 °F)

1 kA

40 ms

0.555 in (14.1 mm)

0.472 in (12 mm)

32 V

1.063 in (27 mm)

UL

125 °C (257 °F)

Time Delay

0498100.MX1M5

Littelfuse

Electric Fuse

Inline/Holder

32 V

100 A

Tab/Blade

51.3 kJ

-40 °C (-40 °F)

2 kA

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

0.63 x 0.472 x 0.327 in (16 x 12 x 8.3 mm)

0.327 in (8.3 mm)

UL

125 °C (257 °F)

Time Delay

0498100.MX1M5-CN

Littelfuse

Electric Fuse

Inline/Holder

32 V

100 A

Tab/Blade

51.3 kJ

-40 °C (-40 °F)

2 kA

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

0.63 x 0.472 x 0.327 in (16 x 12 x 8.3 mm)

0.327 in (8.3 mm)

UL

125 °C (257 °F)

Time Delay

0498100.MX1M6-CN

Littelfuse

Electric Fuse

Inline/Holder

32 V

100 A

Tab/Blade

51.3 kJ

-40 °C (-40 °F)

2 kA

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

0.327 in (8.3 mm)

UL

125 °C (257 °F)

Time Delay

0498100.MXM6

Littelfuse

Electric Fuse

Inline/Holder

32 V

100 A

Tab/Blade

51.3 kJ

-40 °C (-40 °F)

2 kA

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

0.63 x 0.472 x 0.327 in (16 x 12 x 8.3 mm)

0.327 in (8.3 mm)

UL

125 °C (257 °F)

Time Delay

0498100.MXM6-CN

Littelfuse

Electric Fuse

Inline/Holder

32 V

100 A

Tab/Blade

51.3 kJ

-40 °C (-40 °F)

2 kA

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

0.63 x 0.472 x 0.327 in (16 x 12 x 8.3 mm)

0.327 in (8.3 mm)

UL

125 °C (257 °F)

Time Delay

0498100.MXT

Littelfuse

Electric Fuse

Inline/Holder

32 V

100 A

Tab/Blade

51.3 kJ

-40 °C (-40 °F)

2 kA

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

0.63 x 0.472 x 0.327 in (16 x 12 x 8.3 mm)

0.327 in (8.3 mm)

UL

125 °C (257 °F)

Time Delay

0498100.MXT-CN

Littelfuse

Electric Fuse

Inline/Holder

32 V

100 A

Tab/Blade

51.3 kJ

-40 °C (-40 °F)

2 kA

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

0.327 in (8.3 mm)

UL

125 °C (257 °F)

Time Delay

0498100.MXTM6-CN

Littelfuse

Electric Fuse

Inline/Holder

32 V

100 A

Tab/Blade

51.3 kJ

-40 °C (-40 °F)

2 kA

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

0.327 in (8.3 mm)

UL

125 °C (257 °F)

Time Delay

142.5631.6152

Littelfuse

Electric Fuse

Inline/Holder

58 V

150 A

Tab/Blade

83.4 kJ

-40 °C (-40 °F)

Matte Tin

1 kA

100 ms

83400

0.63 in (16 mm)

0.472 in (12 mm)

e3

58 V

0.472 x 0.307 x 0.63 in (12 x 7.8 x 16 mm)

0.315 in (8 mm)

UL

125 °C (257 °F)

155.0892.6121

Littelfuse

Electric Fuse

Surface Mount

58 V

125 A

Wraparound

51 kJ

-40 °C (-40 °F)

Matte Tin

2 kA

51000

0.925 in (23.5 mm)

0.787 in (20 mm)

e3

58 V

0.925 x 0.787 x 0.453 in (23.5 x 20 x 11.5 mm)

0.453 in (11.5 mm)

UL

125 °C (257 °F)

37213150431

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3.15 A

Pin Wire

77.395 J

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

60

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)

CCC; CE; CUL; KC; PSE; UL; VDE

85 °C (185 °F)

Time Lag

39213150440

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3.15 A

Pin Wire

78.39 J

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

55

Bulk

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

250 V

TE5

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

0.315 in (8 mm)

CCC; CE; CUL; KC; PSE; VDE; UL

125 °C (257 °F)

Time Lag

FLSR.100

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

100 mA

200 kA

FLSR

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CSA; UL

Time Delay

FLSR100

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

100 A

200 kA

FLSR

Rated Breaking Capacity at 300 VDC: 20000 A

1.311 in (33.3 mm)

7.874 in (200 mm)

CSA; UL

Time Delay

KLDR005.TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

5 A

End Cap

63.33 J

Nickel

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

CC

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

KLDR005TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

5 A

End Cap

63.33 J

200 kA

12 s

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

KLKR020.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 A

Tab/Blade

900 J

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

CC

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE, CSA, UL

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.