Surface Mount 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

0435.500

Littelfuse

Electric Fuse

Surface Mount

24 V

500 mA

Wraparound

5.3 mJ

-55 °C (-67 °F)

Tin/Nickel

35 A

Rated Breaking Capacity at 24 VDC: 35 A

0.041 in (1.04 mm)

0.02 in (0.51 mm)

0.041 x 0.02 x 0.012 in (1.04 x 0.51 x 0.3 mm)

0.012 in (0.3 mm)

CSA; UL

90 °C (194 °F)

Very Fast

1206SFP350F/32-2

Littelfuse

Electric Fuse

Surface Mount

32 V

3.5 A

Wraparound

1.84 J

-55 °C (-67 °F)

50 A

0.134 in (3.4 mm)

0.071 in (1.8 mm)

32 V

1206

0.134 x 0.071 x 0.046 in (3.4 x 1.8 x 1.17 mm)

0.046 in (1.17 mm)

UL

125 °C (257 °F)

04401.25WR

Littelfuse

Electric Fuse

Surface Mount

50 V

50 V

1.25 A

Wraparound

402 mJ

-55 °C (-67 °F)

Tin

50 A

4 h

0.402

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

50 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)

R451.160L

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

160 mA

Wraparound

3.06 mJ

-55 °C (-67 °F)

Tin/Lead

451

Tape And Reel

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)

CSA; UL

125 °C (257 °F)

Very Fast

0451005.NRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

5 A

Wraparound

5.566 J

-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

0476004.MR

Littelfuse

Electric Fuse

Surface Mount

250 V

125 V

4 A

Wraparound

2.82 J

-55 °C (-67 °F)

100 A

1 ms

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 1 ms at 1000% Rated Current

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

Nano

0.106 in (2.69 mm)

CUL; PSE; UL

125 °C (257 °F)

Fast

04490.375MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

375 mA

Wraparound

88 mJ

-55 °C (-67 °F)

Gold

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)

Slow

0483003.DR

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

3 A

Wraparound

4 J

-55 °C (-67 °F)

Copper/Nickel/Tin

50 A

5 s

Pre Arcing Time: Open within 5 s at 250% Rated Current

Tape And Reel

0.13 in (3.302 mm)

0.062 in (1.575 mm)

e2

65 V

1206

0.062 in (1.5748 mm)

UL

125 °C (257 °F)

459001

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

J Bend

281 mJ

-55 °C (-67 °F)

Matte Tin

50 A

100 ms

Rated Breaking Capacity at 125VDC: 300 A

0.281

0.285 in (7.24 mm)

0.17 in (4.32 mm)

e3

125 V

Pico

0.285 x 0.17 x 0.12 in (7.24 x 4.32 x 3.05 mm)

0.12 in (3.05 mm)

CSA, UL

125 °C (257 °F)

Very Fast

0402SFF400F/24

Littelfuse

Electric Fuse

Surface Mount

24 V

4 A

Wraparound

-55 °C (-67 °F)

Tin with Nickel barrier

35 A

4 h

Rated Breaking Capacity at 24 VDC: 35 A

0.225

0.039 in (1 mm)

0.02 in (0.51 mm)

e3

24 V

0.039 x 0.02 x 0.02 in (1 x 0.51 x 0.51 mm)

0.02 in (0.51 mm)

UL

125 °C (257 °F)

Fast

0452004.NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

4 A

Wraparound

34.4 J

-55 °C (-67 °F)

Gold

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

043703.5WRA

Littelfuse

Electric Fuse

Surface Mount

45 V

63 V

3.5 A

Wraparound

777 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

1 s

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

1206

0.033 in (0.835 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

043301.5DR

Littelfuse

Electric Fuse

Surface Mount

250 V

1.5 A

End Cap

14.72 J

-55 °C (-67 °F)

Silver

50 A

433

Tape And Reel

0.398 in (10.1 mm)

e4

0.398 x 0.123 in (10.1 x 3.12 mm)

0.123 in (3.12 mm)

UL

125 °C (257 °F)

Time Lag

0452008.MRSN

Littelfuse

Electric Fuse

Surface Mount

72 V

75 V

8 A

Wraparound

137.34 J

-55 °C (-67 °F)

50 A

2 ms

Rated Breaking Capacity at 75 VDC: 100 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

72 V

Nano

0.106 in (2.69 mm)

CSA; CUL; UL

125 °C (257 °F)

Slow

0451.375NRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

375 mA

Wraparound

44.2 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)

CSA; CUL; UL

125 °C (257 °F)

Very Fast

0454.750MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

750 mA

Wraparound

904 mJ

-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

4643.15DR

Littelfuse

Electric Fuse

Surface Mount

250 V

3.15 A

End Cap

9.4 J

-55 °C (-67 °F)

Silver

100 A

Tape And Reel

0.476 in (12.1 mm)

0.177 in (4.5 mm)

e4

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

0.177 in (4.5 mm)

CCC; METI; UL; VDE

125 °C (257 °F)

Fast

045301.6

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.6 A

End Cap

1.06 J

Silver

50 A

453

e4

CSA; UL

Very Fast

0453012.NR

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

12 A

Wraparound

47.97 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)

CE; CSA; CUL; TUV; UL

125 °C (257 °F)

Very Fast

46206300000

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

630 mA

Wraparound

800 mJ

-40 °C (-40 °F)

Tin

150 A

10 ms

0.8

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

203005G

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

5 A

Gull Wing

14.7 J

-55 °C (-67 °F)

Tin/Lead

50 A

203

Tape And Reel

0.372 in (9.45 mm)

0.25 in (6.35 mm)

e0

0.372 x 0.25 x 0.165 in (9.45 x 6.35 x 4.19 mm)

0.165 in (4.19 mm)

CSA; UL

125 °C (257 °F)

Slow

543268-000

Littelfuse

Electric Fuse

Surface Mount

32 V

3.5 A

Wraparound

1.6 J

50 A

UL

125 °C (257 °F)

Slow

045301.5NRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.5 A

Wraparound

853 mJ

-55 °C (-67 °F)

Silver

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

5 s

Nano

0.106 in (2.69 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

4201300000

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

Wraparound

16 J

-40 °C (-40 °F)

35 A

Blister Tape

0.24 in (6.1 mm)

0.106 in (2.7 mm)

1 s

2410

0.106 in (2.7 mm)

85 °C (185 °F)

Time Lag

1206SFF200FM/63

Littelfuse

Electric Fuse

Surface Mount

63 V

2 A

End Cap

-55 °C (-67 °F)

Tin Over Nickel

Rated Breaking Capacity at 63 VDC: 50 A

0.134 in (3.4 mm)

0.071 in (1.8 mm)

e3

0.134 x 0.071 x 0.051 in (3.4 x 1.8 x 1.3 mm)

0.051 in (1.3 mm)

UL

125 °C (257 °F)

046003.5

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3.5 A

Wraparound

26.8 J

-55 °C (-67 °F)

Tin Lead

50 A

Rated Breaking Capacity at 125 VDC: 50 A

Tape And Reel

0.285 in (7.24 mm)

0.17 in (4.32 mm)

e0

0.285 x 0.17 x 0.12 in (7.24 x 4.32 x 3.05 mm)

0.12 in (3.05 mm)

CSA; PSE; UL

125 °C (257 °F)

Slow

0466.250

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

250 mA

Wraparound

1 mJ

-55 °C (-67 °F)

Matte Tin with Nickel barrier

50 A

Rated Breaking Capacity at 125 VDC: 50 A

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)

Very Fast

4652DR

Littelfuse

Electric Fuse

Surface Mount

250 V

2 A

Wraparound

14.9 J

-55 °C (-67 °F)

Silver

100 A

Tape And Reel

0.476 in (12.1 mm)

0.177 in (4.5 mm)

e4

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

125 °C (257 °F)

Time Lag

R451.062

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

62 mA

End Cap

200 μJ

50 A

CSA; UL

Very Fast

0469003.WR

Littelfuse

Electric Fuse

Surface Mount

32 V

3 A

Wraparound

-55 °C (-67 °F)

Tin Silver Nickel

50 A

4 h

Tape And Reel

0.129 in (3.27 mm)

0.064 in (1.63 mm)

e2

32 V

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; UL

150 °C (302 °F)

Slow

04531.50NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.5 A

Wraparound

853 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)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

ITV9550L4030MR

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)

046602.5NRHF

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

2.5 A

Wraparound

351.6 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

200 ms

0.35

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

0453010.NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

10 A

Wraparound

26.46 J

-55 °C (-67 °F)

Silver

35 A

5 s

Rated Breaking Capacity at 125 VDC: 50 A

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

0603SFF050F/32-2

Littelfuse

Electric Fuse

Surface Mount

32 V

500 mA

Wraparound

50 A

0603SFF050F/32-2

UL

125 °C (257 °F)

Fast

RF0347-000

Littelfuse

Electric Fuse

Surface Mount

32 V

4 A

Wraparound

2.3 J

50 A

UL

125 °C (257 °F)

Slow

0452.375MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

375 mA

Wraparound

101 mJ

-55 °C (-67 °F)

Gold

50 A

4 h

Rated Breaking Capacity at 125 VDC: 50 A

0.1

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)

Time Lag

0448.750NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

750 mA

End Cap

206 mJ

-55 °C (-67 °F)

Gold

50 A

Rated Breaking Capacity at 125 VDC: 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)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

R452002

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2 A

End Cap

8.2 J

-55 °C (-67 °F)

Tin Lead

50 A

452

Rated Breaking Capacity at 125 VDC: 50 A

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)

CSA; UL

125 °C (257 °F)

Slow

1206SFP700F/24

Littelfuse

Electric Fuse

Surface Mount

24 V

7 A

Wraparound

30 J

80 A

0.134 in (3.4 mm)

0.071 in (1.8 mm)

200 µs

1206

0.046 in (1.17 mm)

0436.750PR

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

750 mA

Wraparound

1.143 J

-55 °C (-67 °F)

Tin Lead

100 A

436

Tape And Reel

0.59 in (14.99 mm)

0.2 in (5.08 mm)

e0

0.59 x 0.2 x 0.095 in (14.99 x 5.08 x 2.41 mm)

0.095 in (2.41 mm)

CSA; UL

125 °C (257 °F)

0453001.NRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

602.9 mJ

-55 °C (-67 °F)

Silver

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

5 s

Nano

0.106 in (2.69 mm)

CE; CSA; PSE; TUV; UL

125 °C (257 °F)

Very Fast

0304.050ZR

Littelfuse

Electric Fuse

Surface Mount

277 V

277 V

50 mA

J Bend

190 μJ

-40 °C (-40 °F)

1.5 kA

10 s

Tape And Reel

0.54 in (13.71 mm)

0.237 in (6.03 mm)

277 V

Pico

0.24 in (6.09 mm)

CE; CUL; IEC; UL

60 °C (140 °F)

0460004.UR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

4 A

J Bend

35 J

-55 °C (-67 °F)

50 A

100 ms

Tape And Reel

0.285 in (7.24 mm)

0.17 in (4.32 mm)

125 V

Pico

0.285 x 0.17 x 0.12 in (7.24 x 4.32 x 3.05 mm)

0.12 in (3.05 mm)

CSA; PSE; UL

125 °C (257 °F)

Slow

3298225.H

Littelfuse

Electric Fuse

Surface Mount

32 V

225 A

Wraparound

95 kJ

-40 °C (-40 °F)

2 kA

100 ms

1.181 in (30 mm)

1.047 in (26.6 mm)

Mega

0.63 in (16 mm)

125 °C (257 °F)

1206SFF175F/63-2

Littelfuse

Electric Fuse

Surface Mount

63 V

1.75 A

Wraparound

50 A

1206SFF175F/63-2

UL

125 °C (257 °F)

Fast

0451.250MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

250 mA

Wraparound

15.8 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; UL

125 °C (257 °F)

Very Fast

155.0892.6171

Littelfuse

Electric Fuse

Surface Mount

58 V

175 A

Wraparound

120 kJ

-40 °C (-40 °F)

Matte Tin

2 kA

120000

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)

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.