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

0JTD040.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)

2.374 in (60.3 mm)

CSA; UL

Time Delay

0JTD17.5TXID

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)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0SLC003.T

Littelfuse

Electric Fuse

3 A

End Cap

100 kA

0.406 in (10.3 mm)

G

600 V

0.406 x 1.311 in (10.3 x 33.3 mm)

1.311 in (33.3 mm)

CSA, UL

Medium

37200800001

Littelfuse

Electric Fuse

Through Hole Mount

250 V

80 mA

Pin Wire

38.4 mJ

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

0.023

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; UL; VDE

85 °C (185 °F)

Time Lag

37208000411

Littelfuse

Electric Fuse

Through Hole Mount

250 V

800 mA

Pin Wire

5.76 J

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

3.8

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; UL; VDE

85 °C (185 °F)

Time Lag

37212000431

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2 A

Pin Wire

30 J

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

23

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

39212000000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2 A

Pin Wire

29 J

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

21

Ammo Pack; Tape

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

592005S

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

5 A

End Cap

Silver

592

e4

AGA2

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

2 A

End Cap

0.25 in (6.35 mm)

32 V

1AG

0.625 in (15.875 mm)

CCMR005.TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

5 A

End Cap

1.06 kJ

Nickel

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

FLSR075.V

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

75 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.283 in (32.6 mm)

7.874 in (200 mm)

CSA; UL

Time Delay

JLLN400

Littelfuse

Electric Fuse

Inline/Holder

300 V

125 V

400 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

1.311 in (33.3 mm)

1.311 x 0.827 in (33.3 x 21 mm)

2.752 in (69.9 mm)

CE; CSA; CUL; UL

Fast

JTD17.5

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

JTD17.5ID

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)

Indicator

0.811 x 2.252 in (20.6 x 57.2 mm)

2.252 in (57.2 mm)

CSA; UL

Time Delay

JTD175

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

JTD175ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

175 A

Tab/Blade

200 kA

1.626 in (41.3 mm)

Indicator

1.626 x 3 in (41.3 x 76.2 mm)

3 in (76.2 mm)

CSA; UL

Time Delay

LA70QS500-4

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 V

500 A

Tab/Blade

150 J

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

2 in (50.8 mm)

2 x 2.843 in (50.8 x 72.2 mm)

2.843 in (72.2 mm)

CSA; UL

Fast

LA70QS500-4K

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 V

500 A

Tab/Blade

160 J

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

2 in (50.8 mm)

2 x 2.843 in (50.8 x 72.2 mm)

2.843 in (72.2 mm)

CSA; UL

Fast

0157.500DRT

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

240 mJ

-55 °C (-67 °F)

Matte Tin

50 A

100 ms

Tape And Reel

0.256 in (6.5 mm)

0.106 in (2.69 mm)

e3

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)

Time Lag

0157.500.DRT

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

240 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)

Time Lag

0218.250MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

540.5 mJ

-55 °C (-67 °F)

Nickel

35 A

20 ms

0.5405

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

0239002.HXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2 A

Pin Wire

50.585 J

-55 °C (-67 °F)

Tin

100 A

4 h

50.585

Bulk

0.228 in (5.8 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)

0.886 in (22.5 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Time Lag

0251.200MAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

200 mA

Pin Wire

4.8 mJ

-55 °C (-67 °F)

50 A

1 s

Rated Breaking Capacity at 125 VDC: 300 A

Ammo Pack

0.11 in (2.8 mm)

Pico

0.28 in (7.11 mm)

CSA; CUL; UL

125 °C (257 °F)

Very Fast

0251001.MAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

256 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; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

02512.00MAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

200 mA

Pin Wire

4.8 mJ

-55 °C (-67 °F)

50 A

1 s

Rated Breaking Capacity at 125 VDC: 300 A

Ammo Pack

0.11 in (2.8 mm)

Pico

0.28 in (7.11 mm)

CSA; CUL; UL

125 °C (257 °F)

Very Fast

0297015.L

Littelfuse

Electric Fuse

Inline/Holder

32 V

15 A

Tab/Blade

308 J

-40 °C (-40 °F)

Silver

1 kA

30 ms

270

0.429 in (10.9 mm)

0.15 in (3.8 mm)

e4

32 V

Mini

0.429 x 0.15 x 0.346 in (10.9 x 3.8 x 8.8 mm)

0.346 in (8.8 mm)

UL

125 °C (257 °F)

0299060.TXN

Littelfuse

Electric Fuse

Inline/Holder

32 V

60 A

Tab/Blade

15.3 kJ

-40 °C (-40 °F)

Silver

1 kA

40 ms

15300

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

0299060TXN

Littelfuse

Electric Fuse

Inline/Holder

32 V

60 A

Tab/Blade

15.3 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)

0315002.HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2 A

Pin Wire

77 J

-55 °C (-67 °F)

Matte Tin

100 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

0326004.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

4 A

End Cap

9.71 J

-55 °C (-67 °F)

Nickel

400 A

5 s

Rated Breaking Capacity at 125 VDC: 10000 A

9.71

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

04481.00MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

100 mA

Wraparound

820 μJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.0082

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

0448.100MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

100 mA

Wraparound

820 μJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.0082

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

0453015.MR

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

15 A

Wraparound

97.82 J

-55 °C (-67 °F)

Silver

100 A

20 s

Rated Breaking Capacity at 65 VDC: 150 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

65 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

045301.5MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.5 A

Wraparound

853 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; PSE; UL

125 °C (257 °F)

Very Fast

0453015MR

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

15 A

Wraparound

97.82 J

-55 °C (-67 °F)

Silver

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

65 V

Nano

0.106 in (2.69 mm)

CSA; CUL; UL

125 °C (257 °F)

Very Fast

0468001.WR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1 A

Wraparound

127 mJ

-55 °C (-67 °F)

Tin

50 A

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e3

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)

Time Lag

046801.5NR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.5 A

Wraparound

288 mJ

-55 °C (-67 °F)

Matte Tin

50 A

4 h

Rated Breaking Capacity at 63 VDC: 50 A

0.288

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e3

63 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

046801.5NRHF

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.5 A

Wraparound

288 mJ

-55 °C (-67 °F)

Matte Tin

50 A

1.500 ms

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

0.288

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e3

63 V

1206

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

0.025 in (0.635 mm)

CSA; CUL; UL

90 °C (194 °F)

Time Delay

0473.500MRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

210 mJ

-60 °C (-76 °F)

Tin

50 A

2 ms

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

0.21

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

04735.00MRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

210 mJ

-60 °C (-76 °F)

Tin

50 A

2 ms

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

0.21

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

0663.800HXSL

Littelfuse

Electric Fuse

800 mA

-40 °C (-40 °F)

35 A

8

0.335 in (8.5 mm)

250 V

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CSA, SEMKO, UL, VDE

85 °C (185 °F)

Time Lag

0997002.WXN

Littelfuse

Electric Fuse

Inline/Holder

58 V

2 A

Tab/Blade

2.8 J

-40 °C (-40 °F)

Silver Over Nickel

1 kA

30 ms

0.429 in (10.9 mm)

0.15 in (3.8 mm)

e4

58 V

Mini

0.346 in (8.8 mm)

ISO; UL

125 °C (257 °F)

0997002WXN

Littelfuse

Electric Fuse

Inline/Holder

58 V

2 A

Tab/Blade

2.8 J

-40 °C (-40 °F)

Silver

1 kA

Rated Breaking Capacity at 58 VDC: 1000 A

Bulk

0.429 in (10.9 mm)

0.14 in (3.55 mm)

e4

0.429 x 0.14 x 0.346 in (10.9 x 3.55 x 8.8 mm)

0.346 in (8.8 mm)

125 °C (257 °F)

0JTD200.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

200 A

Tab/Blade

159 kJ

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

1.5 in (38.1 mm)

600 V

3 in (76.2 mm)

CSA; UL

Time Delay

155.0892.5751

Littelfuse

Electric Fuse

Surface Mount

58 V

75 A

Wraparound

12 kJ

-40 °C (-40 °F)

Matte Tin

2 kA

14000

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)

38314000410

Littelfuse

Electric Fuse

Through Hole Mount

320 V

4 A

Pin Wire

72 J

-40 °C (-40 °F)

50 A

20 ms

Bulk

0.335 in (8.5 mm)

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CE; CUL; PSE; UL; VDE

85 °C (185 °F)

Time Lag

LVSP0015TX2

Littelfuse

Electric Fuse

Inline/Holder

600 V

15 A

End Cap

3.267 kJ

200 kA

0.41 in (10.41 mm)

1.5 in (38.1 mm)

UL

0215.500MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

500 mA

End Cap

420 mJ

-55 °C (-67 °F)

Nickel

1.5 kA

5 ms

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

0.42

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; IEC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

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.