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

0215001MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1 A

End Cap

1.52 J

-55 °C (-67 °F)

Nickel

1.5 kA

10 ms

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

1.52

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)

Time Lag

0215001.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1 A

End Cap

1.52 J

-55 °C (-67 °F)

Nickel

1.5 kA

10 ms

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

1.52

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)

Time Lag

0217.032HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

32 mA

End Cap

150 μJ

-55 °C (-67 °F)

Matte Tin

35 A

3 ms

Bulk

0.205 in (5.2 mm)

e3

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; SEMKO; UL; VDE

125 °C (257 °F)

Very Fast

0251010.MAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

10 A

Pin Wire

25.5 J

-55 °C (-67 °F)

Tin

50 A

30 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)

CSA; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0285.500MXP

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)

0287010.L

Littelfuse

Electric Fuse

Inline/Holder

32 V

10 A

Tab/Blade

115 J

-40 °C (-40 °F)

1 kA

80 ms

0.752 in (19.1 mm)

0.201 in (5.1 mm)

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)

0312015.MXP

Littelfuse

Electric Fuse

Inline/Holder

32 V

15 A

End Cap

490.5 J

-55 °C (-67 °F)

Tin

300 A

10 s

490.5

Tape And Reel

0.25 in (6.35 mm)

e3

32 V

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

125 °C (257 °F)

Fast

031201.5MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.5 A

End Cap

2.35 J

-55 °C (-67 °F)

Nickel

100 A

5 s

2.35

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; PSE; UL

125 °C (257 °F)

Fast

031503.2HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3.2 A

Pin Wire

209 J

-55 °C (-67 °F)

Matte Tin

100 A

Bulk

0.275 in (6.99 mm)

e3

0.275 x 1.275 in (6.99 x 32.39 mm)

1.275 in (32.39 mm)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Time Lag

032503.2HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

3.2 A

Pin Wire

214 J

-55 °C (-67 °F)

Tin

100 A

4 h

214

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

032603.2HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

3.2 A

End Cap

214 J

-55 °C (-67 °F)

Nickel

100 A

4 h

214

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

0430001.WR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1 A

144 mJ

-55 °C (-67 °F)

50 A

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

63 V

0402

0.045 in (1.14 mm)

CSA; UL

90 °C (194 °F)

Slow

0438003.WRGT

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

3 A

Wraparound

439 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

26.4 mΩ

0603

0.02 in (0.508 mm)

CSA; CUL; UL

150 °C (302 °F)

Fast

0440008.WR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

8 A

Wraparound

12.95 J

-55 °C (-67 °F)

Tin Over Nickel

50 A

4 h

0.065

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

32 V

1206

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

0.032 in (0.82 mm)

CSA; UL

150 °C (302 °F)

0453.800MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

800 mA

Wraparound

265.4 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

0501012.WR

Littelfuse

Electric Fuse

Surface Mount

32 V

12 A

Wraparound

20.341 J

-55 °C (-67 °F)

Matte Tin Over Nickel

150 A

4 h

20.341

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.62 mm)

e3

32 V

3.21 mΩ

1206

0.126 x 0.064 x 0.032 in (3.2 x 1.62 x 0.82 mm)

0.032 in (0.82 mm)

CSA; UL

150 °C (302 °F)

Fast

0ATO002.V

Littelfuse

Electric Fuse

Inline/Holder

32 V

2 A

Tab/Blade

1.4 J

-40 °C (-40 °F)

1 kA

100 ms

Box

0.752 in (19.1 mm)

0.201 in (5.1 mm)

0.484 in (12.3 mm)

CSA; UL

125 °C (257 °F)

0FLQ03.2HXR

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

3.2 A

End Cap

10 kA

0.406 in (10.31 mm)

500 V

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

0JTD150.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

150 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

1.5 in (38.1 mm)

3 in (76.2 mm)

CSA; UL

Time Delay

0KLK020.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

20 A

End Cap

Nickel

100 kA

Rated Breaking Capacity at 500 VDC: 50000 A

0.406 in (10.31 mm)

600 V

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; UL

Fast

37211000001

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

7.5 J

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

5.5

Ammo Pack; Tape

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

39505000440

Littelfuse

Electric Fuse

Through Hole Mount

125 V

500 mA

Pin Wire

25 mJ

-40 °C (-40 °F)

Tin

100 A

1 m

Bulk

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

CCMR03.2HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3.2 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

0216.315MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

10 mJ

-55 °C (-67 °F)

Tin

1.5 kA

20 ms

0.01

Bulk

0.236 in (6 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.236 x 0.886 in (6 x 22.5 mm)

0.886 in (22.5 mm)

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

125 °C (257 °F)

Fast

02163.15MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3.15 A

Pin Wire

6.7 J

-55 °C (-67 °F)

Tin

1.5 kA

20 ms

6.7

Bulk

0.228 in (5.8 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)

0.886 in (22.5 mm)

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

125 °C (257 °F)

Fast

023301.6MXP

Littelfuse

Electric Fuse

Inline/Holder

125 V

1.6 A

End Cap

6.14 J

-55 °C (-67 °F)

Nickel

10 kA

600 ms

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; CSA; KC; PSE; UL

125 °C (257 °F)

Medium

0242.050UAT1

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

50 mA

Pin Wire

100 μJ

-40 °C (-40 °F)

Matte Tin Over Nickel

4 kA

4 h

Rated Breaking Capacity at 250 VDC: 4000 A

0.0001

Ammo Pack; 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)

031302.5VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

130 J

-55 °C (-67 °F)

Nickel

100 A

313

Bulk

0.25 in (6.35 mm)

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

0313025.VXP

Littelfuse

Electric Fuse

Inline/Holder

32 V

25 A

End Cap

16.5 kJ

-55 °C (-67 °F)

Matte Tin

300 A

313

Bulk

0.25 in (6.35 mm)

e3

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

UL

125 °C (257 °F)

Time Lag

0438002.WRA

Littelfuse

Electric Fuse

Surface Mount

12 V

32 V

2 A

Wraparound

181 mJ

-55 °C (-67 °F)

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

12 V

49 mΩ

0603

0.062 x 0.033 x 0.02 in (1.575 x 0.85 x 0.508 mm)

0.02 in (0.508 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

043801.5WR

Littelfuse

Electric Fuse

Surface Mount

32 V

1.5 A

Wraparound

90.2 mJ

-55 °C (-67 °F)

Matte Tin

50 A

4 h

0.09

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

63 V

174 mΩ

0603

0.061 x 0.033 x 0.02 in (1.54 x 0.85 x 0.5 mm)

0.02 in (0.5 mm)

CSA; UL

150 °C (302 °F)

Fast

0451001.

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

603 mJ

-55 °C (-67 °F)

Tin/Lead

50 A

Pre Arcing Time: Open within 14400 s at 100% Rated Current

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e0

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; PSE; UL

125 °C (257 °F)

Very Fast

0451001.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

459 mJ

-55 °C (-67 °F)

Tin/Lead

50 A

4 h

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e0

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; PSE; UL

125 °C (257 °F)

Very Fast

0451001.MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

602.9 mJ

-55 °C (-67 °F)

50 A

5 s

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

0451001.NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

459 mJ

-55 °C (-67 °F)

Tin/Lead

50 A

4 h

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e0

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; PSE; UL

125 °C (257 °F)

Very Fast

0468003.NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

3 A

Wraparound

1.27 J

-55 °C (-67 °F)

Matte Tin

50 A

1.500 ms

Pre Arcing Time: Open within 1.5 ms at 800% Rated Current

1.27

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e3

32 V

1206

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

0.023 in (0.58 mm)

CSA; UL

90 °C (194 °F)

Slow

0498200.M

Littelfuse

Electric Fuse

Inline/Holder

32 V

200 A

Tab/Blade

125 kJ

-40 °C (-40 °F)

Tin

2 kA

100 ms

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

e3

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

0.327 in (8.3 mm)

125 °C (257 °F)

Time Delay

0FLM2.25T

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

2.25 A

End Cap

10 kA

5 s

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

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; QPL; UL

Time Delay

0FLQ015.T

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

15 A

End Cap

Nickel

10 kA

0.406 in (10.31 mm)

500 V

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

0FLQ01.5T

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

1.5 A

End Cap

10 kA

0.406 in (10.31 mm)

500 V

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

0JTD030.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

30 A

End Cap

4.754 kJ

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

600 V

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0SPF030.T

Littelfuse

Electric Fuse

Inline/Holder

1 KV

30 A

End Cap

3.29 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

239002

Littelfuse

Electric Fuse

Inline/Holder

250 V

2 A

End Cap

50.586 J

-55 °C (-67 °F)

Nickel

100 A

4 h

50.585

Bulk; Tape And Reel

0.205 in (5.2 mm)

Supplemental

250 V

94.3 mΩ

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)

CSA; KTL; PSE; UL

125 °C (257 °F)

Time Lag

239002XP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2 A

Pin Wire

51.95 J

-55 °C (-67 °F)

Matte Tin

100 A

239

Bulk; Tape And Reel

0.886 in (22.5 mm)

e3

0.886 x 0.228 in (22.5 x 5.8 mm)

0.228 in (5.8 mm)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Time Lag

39611600000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

1.6 A

Pin Wire

5.2 J

-40 °C (-40 °F)

Matte Tin

100 A

1 m

5.2

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)

Time Lag

JLLS200.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

200 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.079 in (27.4 mm)

600 V

1.657 in (42.1 mm)

CE; CSA; UL

Fast

KLDR001.TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 A

End Cap

449.4 mJ

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

KLDR001TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 A

End Cap

449.4 mJ

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

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.