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

37216300001

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

138.915 J

-40 °C (-40 °F)

Matte Tin

50 A

20 ms

105

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

37300630430

Littelfuse

Electric Fuse

Through Hole Mount

250 V

63 mA

Pin Wire

200 μJ

-40 °C (-40 °F)

Tin

50 A

5 s

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)

CSA; CUL; UL

85 °C (185 °F)

Very Fast

37314000410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

4 A

Pin Wire

3.5 J

-40 °C (-40 °F)

Matte Tin

50 A

5 s

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)

CSA; CUL; UL

85 °C (185 °F)

Very Fast

37404000410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

400 mA

Pin Wire

552 mJ

-40 °C (-40 °F)

Tin

50 A

1 m

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)

CSA, UL

85 °C (185 °F)

Time Lag

37411250410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.25 A

Pin Wire

4.453 J

-40 °C (-40 °F)

Matte Tin

50 A

1 m

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)

CSA, UL

85 °C (185 °F)

Time Lag

37416300430

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

144.869 J

-40 °C (-40 °F)

Matte Tin

50 A

1 m

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)

CSA, UL

85 °C (185 °F)

Time Lag

38211250000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.25 A

Wire

6.88 J

-40 °C (-40 °F)

Tin

100 A

150 ms

4.5

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

38215000430

Littelfuse

Electric Fuse

Through Hole Mount

250 V

5 A

Wire

121.25 J

-40 °C (-40 °F)

Tin

100 A

150 ms

90

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; PSE; UL; VDE

85 °C (185 °F)

Time Lag

38312500000

Littelfuse

Electric Fuse

Through Hole Mount

320 V

2.5 A

Pin Wire

29.69 J

-40 °C (-40 °F)

50 A

20 ms

Ammo Pack; Tape

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

85 °C (185 °F)

Time Lag

39102000000

Littelfuse

Electric Fuse

Through Hole Mount

65 V

65 V

200 mA

Pin Wire

20 mJ

-40 °C (-40 °F)

50 A

2 s

Rated Breaking Capacity at 65 VDC: 50 A

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

0.157 in (4 mm)

65 V

TE5

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

0.315 in (8 mm)

CUL; UKCA; UL

125 °C (257 °F)

Fast

39605000000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

500 mA

Pin Wire

580 mJ

-40 °C (-40 °F)

Matte Tin

100 A

1 m

0.58

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)

UL

85 °C (185 °F)

Time Lag

39606300000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

630 mA

Pin Wire

750 mJ

-40 °C (-40 °F)

Tin

100 A

1 m

0.75

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)

UL

85 °C (185 °F)

Time Lag

39606300440

Littelfuse

Electric Fuse

Through Hole Mount

125 V

630 mA

Pin Wire

750 mJ

-40 °C (-40 °F)

Tin

100 A

1 m

0.75

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)

Time Lag

39612500000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

2.5 A

Pin Wire

14 J

-40 °C (-40 °F)

Matte Tin

100 A

1 m

14

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

39616300000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

6.3 A

Pin Wire

100 J

-40 °C (-40 °F)

Tin

100 A

1 m

100

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)

UL

85 °C (185 °F)

Time Lag

40011600000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

21.75 J

-40 °C (-40 °F)

Tin

130 A

20 ms

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

TE5

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

0.315 in (8 mm)

IEC; PSE; UL; VDE

125 °C (257 °F)

Time Lag

40016300000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

318.71 J

-40 °C (-40 °F)

Matte Tin

130 A

20 ms

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

TE5

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

0.315 in (8 mm)

IEC; UL; VDE

125 °C (257 °F)

Time Lag

46205000000

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

500 mA

Wraparound

430 mJ

-40 °C (-40 °F)

Tin

150 A

10 ms

0.43

Tape And Reel

0.413 in (10.5 mm)

0.177 in (4.5 mm)

e3

250 V

Nano

0.177 x 0.177 x 0.413 in (4.5 x 4.5 x 10.5 mm)

0.177 in (4.5 mm)

CUL; UL

85 °C (185 °F)

Time Lag

4620.5000000

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

500 mA

Wraparound

430 mJ

-40 °C (-40 °F)

Tin

150 A

10 ms

0.43

Tape And Reel

0.413 in (10.5 mm)

0.177 in (4.5 mm)

e3

250 V

Nano

0.177 x 0.177 x 0.413 in (4.5 x 4.5 x 10.5 mm)

0.177 in (4.5 mm)

CUL; UL

85 °C (185 °F)

Time Lag

4998125.M-M6

Littelfuse

Electric Fuse

Inline/Holder

70 V

125 A

Tab/Blade

51.3 kJ

-40 °C (-40 °F)

2.5 kA

70 ms

0.63 in (16 mm)

0.496 in (12.6 mm)

0.323 in (8.2 mm)

UL

125 °C (257 °F)

80714000000

Littelfuse

Electric Fuse

Through Hole Mount

300 V

300 V

4 A

Wire

36.8 kJ

-40 °C (-40 °F)

Matte Tin

100 A

1 s

Ammo Pack

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

300 V

0.488 x 0.252 x 0.362 in (12.4 x 6.4 x 9.2 mm)

0.362 in (9.2 mm)

IEC; CUL; PSE; UL

125 °C (257 °F)

Time Lag

CCMR012.TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

12 A

End Cap

200 kA

Rated Breaking Capacity at 500 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

CCMR15

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

15 A

End Cap

0.406 in (10.3 mm)

CC

1.5 in (38.1 mm)

UL

Time Delay

FLM005

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

5 A

End Cap

10 kA

12 s

Pre Arcing Time: Open within 12 s at 200% Rated Current

Bulk

0.406 in (10.31 mm)

250 V

0.394 x 1.496 in (10 x 38 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; QPL; UL

Time Delay

FLM10

Littelfuse

Electric Fuse

Inline/Holder

250 V

10 A

End Cap

10 kA

0.406 in (10.31 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; QPL; UL

Slow

FLNR.500

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

500 mA

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

Bulk

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Time Delay

FLNR035.TXID

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

35 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

Indicator

3 in (76.2 mm)

CSA; UL

Time Delay

FLNR110

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

110 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

Bulk

1.535 in (39 mm)

7.126 in (181 mm)

CSA; UL

Time Delay

FLNR500

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

500 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

Bulk

2.543 in (64.6 mm)

10.374 in (263.5 mm)

CSA; UL

Time Delay

FLSR005.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

5 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

Indicator

5 in (127 mm)

CSA; UL

Time Delay

FLSR020.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

Indicator

5 in (127 mm)

CSA; UL

Time Delay

FLSR090.V

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

90 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

FLSR8ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

8 A

End Cap

200 kA

0.811 in (20.6 mm)

Indicator

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

FM04A125V10A

Littelfuse

Electric Fuse

Through Hole Mount

125 V

10 A

Pin Wire

Tin Lead

0.102 in (2.59 mm)

e0

0.102 x 0.311 in (2.59 x 7.9 mm)

0.311 in (7.9 mm)

MIL-PRF-23419

FM10A125V10A

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

10 A

Pin Wire

25.5 J

-55 °C (-67 °F)

50 A

Rated Breaking Capacity at 125 VDC: 300 A

0.103 in (2.61 mm)

0.103 x 0.28 in (2.61 x 7.11 mm)

0.28 in (7.11 mm)

CSA; MIL-PRF-23419/10; QPL; TUV; UL

125 °C (257 °F)

Very Fast

ITV9550L1830MR

Littelfuse

Electric Fuse

Surface Mount

85 V

30 A

Wraparound

-10 °C (14 °F)

80 A

Tape And Reel, 13 inch

0.374 in (9.5 mm)

0.197 in (5 mm)

0.079 in (2 mm)

CUL; TUV; UL

65 °C (149 °F)

ITV9550L5060MR

Littelfuse

Electric Fuse

Surface Mount

80 V

60 A

Wraparound

-10 °C (14 °F)

160 A

Tape And Reel, 13 inch

0.374 in (9.5 mm)

0.197 in (5 mm)

0.079 in (2 mm)

65 °C (149 °F)

JLLN050.T

Littelfuse

Electric Fuse

Inline/Holder

300 V

160 V

50 A

End Cap

200 kA

Rated Breaking Capacity at 160 VDC: 20000 A

0.563 in (14.3 mm)

300 V

0.874 in (22.2 mm)

CE; CSA; CUL; UL

Fast

JLLN070

Littelfuse

Electric Fuse

Inline/Holder

300 V

125 V

70 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 0.843 in (20.6 x 21.4 mm)

2.157 in (54.8 mm)

CE; CSA; CUL; UL

Fast

JLLN070.V

Littelfuse

Electric Fuse

Inline/Holder

300 V

125 V

70 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

0.811 in (20.6 mm)

300 V

2.157 in (54.8 mm)

CE; CSA; CUL; UL

Fast

JLLN175.X

Littelfuse

Electric Fuse

Inline/Holder

300 V

125 V

175 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

1.063 in (27 mm)

300 V

2.437 in (61.9 mm)

CE; CSA; CUL; UL

Fast

JLLN700.X

Littelfuse

Electric Fuse

Inline/Holder

300 V

125 V

700 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

2.063 in (52.4 mm)

300 V

3.374 in (85.7 mm)

CSE; CUL; UL

Fast

JLLS060.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

60 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.992 in (25.2 mm)

600 V

1.563 in (39.7 mm)

CE; CSA; UL

Fast

JLLS225.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

225 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.594 in (40.5 mm)

600 V

1.713 in (43.5 mm)

CE; CSA; UL

Fast

JLLS600.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

600 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

2.063 in (52.4 mm)

600 V

1.764 in (44.8 mm)

CE; CSA; UL

Fast

JLLS700.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

700 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

2.5 in (63.5 mm)

600 V

1.858 in (47.2 mm)

CE; CSA; UL

Fast

JLS020

Littelfuse

Electric Fuse

Inline/Holder

600 V

20 A

End Cap

200 kA

Bulk

0.811 in (20.6 mm)

0.811 x 2.252 in (20.6 x 57.2 mm)

2.252 in (57.2 mm)

CE; CSA; QPL; UL

Fast

JLS150

Littelfuse

Electric Fuse

Inline/Holder

600 V

150 A

Tab/Blade

200 kA

Bulk

1.5 in (38.1 mm)

1.5 x 3 in (38.1 x 76.2 mm)

3 in (76.2 mm)

CE; CSA; QPL; 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.