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

021606.3MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

56.43 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

20 ms

56.43

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

0216.063MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

63 mA

Pin Wire

540 μJ

-55 °C (-67 °F)

Tin

1.5 kA

20 ms

0.0005

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

02343.15MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

3.15 A

End Cap

29.795 J

-55 °C (-67 °F)

Tin

100 A

400 ms

29.795

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)

CE; CSA; PSE; UL

125 °C (257 °F)

Medium

0251002.MRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2 A

Pin Wire

405 mJ

-55 °C (-67 °F)

Matte Tin

50 A

4 ms

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

0.405

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

0322020.MXP

Littelfuse

Electric Fuse

Inline/Holder

65 V

20 A

End Cap

192 J

-55 °C (-67 °F)

200 A

1 s

192

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

0322020MXP

Littelfuse

Electric Fuse

20 A

End Cap

-55 °C (-67 °F)

Nickel

200 A

4 h

192

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

0324003.MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

3 A

Pin Wire

14.6 J

-55 °C (-67 °F)

Matte Tin

100 A

Rated Breaking Capacity at 125 VDC: 10000 A

14.6

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

0464002.DR

Littelfuse

Electric Fuse

Surface Mount

250 V

2 A

Wraparound

2.8 J

-55 °C (-67 °F)

Silver

100 A

1 ms

Pre Arcing Time: Open within 1 ms at 1000% Rated Current

2.48

Tape And Reel

0.476 in (12.1 mm)

0.177 in (4.5 mm)

e4

250 V

Nano

0.476 x 0.177 x 0.177 in (12.1 x 4.5 x 4.5 mm)

0.177 in (4.5 mm)

PSE; UMF

125 °C (257 °F)

Fast

0TLS080.TXL

Littelfuse

Electric Fuse

Inline/Holder

170 V

80 A

Tab/Blade

100 kA

Bulk

0.563 in (14.3 mm)

170 V

0.563 x 0.877 in (14.3 x 22.27 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

FLSR040.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

40 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.063 in (27 mm)

5.5 in (139.7 mm)

CSA; UL

Time Delay

FLSR040.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

40 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.063 in (27 mm)

Indicator

5.5 in (139.7 mm)

CSA; UL

Time Delay

0216.125MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 mA

Pin Wire

5.46 mJ

-55 °C (-67 °F)

Matte Tin

1.5 kA

20 ms

0.0054

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

02161.25MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.25 A

Pin Wire

180 mJ

-55 °C (-67 °F)

Tin

1.5 kA

20 ms

0.48

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

021612.5MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12.5 A

Pin Wire

235 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

30 ms

175

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)

CE; CSA; IEC; PSE; UL

125 °C (257 °F)

Fast

021901.6MXAP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.6 A

End Cap

44.2 J

-55 °C (-67 °F)

Nickel

150 A

20 ms

44.2

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; CUL; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0239002.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2 A

Pin Wire

50.585 J

-55 °C (-67 °F)

Matte Tin

100 A

2 m

50.585

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)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Time Lag

0251.125MXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

125 mA

Pin Wire

1.74 mJ

-55 °C (-67 °F)

Matte Tin

50 A

1 s

Pre Arcing Time: Open within 1 s at 200% Rated Current

0.0017

Bulk

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)

CSA; CUL; UL

125 °C (257 °F)

Very Fast

02511.25MXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1.25 A

Pin Wire

390 mJ

-55 °C (-67 °F)

Matte Tin

50 A

1 s

Pre Arcing Time: Open within 1 s 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; CUL; PSE; UL

125 °C (257 °F)

Very Fast

0257020.PXPV

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

520 J

-40 °C (-40 °F)

Tin/Copper

1 kA

4 d 4 h

520

Bulk

0.75 in (19.05 mm)

0.2 in (5.08 mm)

ATO

e2

32 V

0.75 x 0.2 x 0.48 in (19.05 x 5.08 x 12.19 mm)

0.48 in (12.19 mm)

UL

105 °C (221 °F)

Fast

0257020PXPV

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

520 J

-40 °C (-40 °F)

Tin

1 kA

0257

Rated Breaking Capacity at 32 VDC: 1000 A

Bulk

0.75 in (19.05 mm)

0.2 in (5.08 mm)

e3

0.75 x 0.2 x 0.48 in (19.05 x 5.08 x 12.19 mm)

0.48 in (12.19 mm)

UL

105 °C (221 °F)

031201.6MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.6 A

End Cap

2.8 J

-55 °C (-67 °F)

Tin

100 A

5 s

Bulk

0.25 in (6.35 mm)

e3

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

0313003.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

200 J

-55 °C (-67 °F)

Nickel

100 A

4 h

200

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; KTL; PSE; UL

125 °C (257 °F)

Time Lag

0469004.WR

Littelfuse

Electric Fuse

Surface Mount

32 V

4 A

Wraparound

3.56 J

-55 °C (-67 °F)

Tin with Nickel barrier

60 A

2 ms

0.23

Tape And Reel

0.129 in (3.27 mm)

0.064 in (1.63 mm)

e3

32 V

52 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

0514005.MXP

Littelfuse

Electric Fuse

Inline/Holder

500 V

5 A

End Cap

6.14 J

-55 °C (-67 °F)

5 kA

2 m

Bulk

0.25 in (6.35 mm)

3AB

1.25 in (31.75 mm)

125 °C (257 °F)

Fast

0881100.UR

Littelfuse

Electric Fuse

Surface Mount

75 V

100 A

J Bend

6.9 kJ

-55 °C (-67 °F)

Bright Tin Over Nickel

1.5 kA

1 m

Pre Arcing Time: Open within 60 s at 200% Rated Current

Tape And Reel

0.441 in (11.2 mm)

0.394 in (10 mm)

e3

100 V

0.441 x 0.394 x 0.236 in (11.2 x 10 x 6 mm)

0.236 in (6 mm)

CUL; UL

100 °C (212 °F)

0881100.URF

Littelfuse

Electric Fuse

Surface Mount

75 V

100 A

J Bend

4.8 kJ

-55 °C (-67 °F)

1.5 kA

1 m

Tape And Reel

0.441 in (11.2 mm)

0.394 in (10 mm)

75 V

0.236 in (6 mm)

CE; CUL; TUV; UL

100 °C (212 °F)

Fast

0JTD17.5T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

17.5 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD175.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

175 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

0JTD175.XXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

175 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

1.5 in (38.1 mm)

Indicator

3 in (76.2 mm)

CSA; UL

Time Delay

37011600430

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

530 mJ

-40 °C (-40 °F)

Tin

35 A

20 ms

Ammo Pack; Tape

0.335 in (8.5 mm)

e3

TR5

0.315 in (8 mm)

CCC; CE; CUL; PSE; UL; VDE

85 °C (185 °F)

Fast

38212000000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2 A

Wire

17.8 J

-40 °C (-40 °F)

Matte Tin

100 A

150 ms

12

Ammo Pack

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; PSE; UL; VDE

85 °C (185 °F)

Time Lag

39511600000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

1.6 A

Pin Wire

390 mJ

-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

0157.200DR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

200 mA

Wraparound

6.52 mJ

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

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)

UL

125 °C (257 °F)

Very Fast

0157.200.DR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

200 mA

Wraparound

6.52 mJ

-55 °C (-67 °F)

Silver

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

UL

125 °C (257 °F)

Very Fast

021701.6MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.6 A

End Cap

4.615 J

-55 °C (-67 °F)

Nickel

35 A

10 ms

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)

Very Fast

02170.16MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

160 mA

End Cap

10 mJ

-55 °C (-67 °F)

35 A

10 ms

Pre Arcing Time: Open within 10 ms at 400% Rated Current

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; SEMKO; UL; VDE

125 °C (257 °F)

Fast

0217010.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

10 A

Pin Wire

217.635 J

-55 °C (-67 °F)

Matte Tin

100 A

10 ms

217.63

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)

CE; CSA; PSE; UL; VDE

125 °C (257 °F)

Very Fast

0218.080MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

80 mA

End Cap

75 mJ

-55 °C (-67 °F)

Nickel

35 A

10 ms

0.075

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; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0242.125UR

Littelfuse

Electric Fuse

Matte Tin Over Nickel

e3

0251.062MXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

62 mA

Pin Wire

113 μJ

-55 °C (-67 °F)

Matte Tin

50 A

1 s

Pre Arcing Time: Open within 1 s at 200% Rated Current

0.0001

Bulk

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)

CSA; CUL; UL

125 °C (257 °F)

Very Fast

0298100.ZXEH-UL

Littelfuse

Electric Fuse

Inline/Holder

32 V

100 A

Tab/Blade

31.1 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

0298100ZXEH-UL

Littelfuse

Electric Fuse

Inline/Holder

32 V

100 A

Tab/Blade

31.1 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

0451008.MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

8 A

Wraparound

20.23 J

-55 °C (-67 °F)

Gold

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

045106.3MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

6.3 A

Wraparound

9.17 J

-55 °C (-67 °F)

Gold

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; PSE; UL

125 °C (257 °F)

Very Fast

0461.500ER

Littelfuse

Electric Fuse

Surface Mount

600 V

80 V

500 mA

Wraparound

840 mJ

-55 °C (-67 °F)

Silver

60 A

1 s

Rated Breaking Capacity at 80 VDC: 100 A

0.84

Tape And Reel

0.398 in (10.1 mm)

0.123 in (3.12 mm)

e4

600 V

4012

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

0.123 in (3.12 mm)

CSA; UL

125 °C (257 °F)

Slow

0466004.NRHF

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

4 A

Wraparound

1.764 J

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

200 ms

1.024

Tape And Reel

0.125 in (3.175 mm)

0.06 in (1.524 mm)

Supplemental

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 (0.584 mm)

CSA; TUV; UL

90 °C (194 °F)

Fast

0498100.M-CN

Littelfuse

Electric Fuse

Inline/Holder

32 V

100 A

Tab/Blade

51.3 kJ

-40 °C (-40 °F)

Tin

2 kA

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)

UL

125 °C (257 °F)

Time Delay

0CNN100.V

Littelfuse

Electric Fuse

Inline/Holder

125 V

48 V

100 A

Tab/Blade

2.5 kA

3.181 in (80.8 mm)

48 V

3.18 in (80.77 mm)

UL

Very 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.