Wraparound 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

0454012.MRSN

Littelfuse

Electric Fuse

Surface Mount

72 V

75 V

12 A

Wraparound

260.46 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

0453.200MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

200 mA

Wraparound

8.9 mJ

-55 °C (-67 °F)

Silver

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; UL

125 °C (257 °F)

Very Fast

0469002.WR

Littelfuse

Electric Fuse

Surface Mount

63 V

2 A

Wraparound

225 mJ

-55 °C (-67 °F)

60 A

2 ms

Tape And Reel

0.129 in (3.27 mm)

0.064 in (1.63 mm)

63 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; CUL; UL

150 °C (302 °F)

Slow

0438004.WRGT

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

4 A

Wraparound

739 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

16.4 mΩ

0603

0.02 in (0.508 mm)

CSA; CUL; UL

150 °C (302 °F)

Fast

160004.MR

Littelfuse

Electric Fuse

Surface Mount

250 V

4 A

Wraparound

68.1 J

-55 °C (-67 °F)

Silver

50 A

4 h

122.5

Tape And Reel

0.398 in (10.1 mm)

0.123 in (3.12 mm)

e4

250 V

Nano

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

0.123 in (3.12 mm)

UL

125 °C (257 °F)

1206SFP800F/24

Littelfuse

Electric Fuse

Surface Mount

24 V

8 A

Wraparound

60 J

80 A

0.134 in (3.4 mm)

0.071 in (1.8 mm)

200 µs

1206

0.046 in (1.17 mm)

04511.50MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.5 A

Wraparound

853 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)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

0407004.WR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

4 A

Wraparound

4.18 J

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

2 ms

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

32 V

25 mΩ

1206

0.033 in (0.835 mm)

UL

150 °C (302 °F)

Time Lag

04533.15NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3.15 A

Wraparound

1.92 J

-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)

CE; CSA; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

0453.160MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

160 mA

Wraparound

4.8 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; UL

125 °C (257 °F)

Very Fast

0453.250MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

250 mA

Wraparound

15.8 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

0451.400MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

400 mA

Wraparound

55.1 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

46215000000

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

5 A

Wraparound

40 J

-40 °C (-40 °F)

Tin

150 A

10 ms

40

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; PSE; UL

85 °C (185 °F)

Time Lag

RF0439-000

Littelfuse

Electric Fuse

Surface Mount

32 V

2 A

Wraparound

240 mJ

50 A

RF0439-000

UL

125 °C (257 °F)

0453.630MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

630 mA

Wraparound

138.1 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

088502.5DR

Littelfuse

Electric Fuse

Surface Mount

350 V

500 V

2.5 A

Wraparound

6.9 J

-40 °C (-40 °F)

Tin

100 A

1 s

Tape And Reel

0.428 in (10.86 mm)

0.188 in (4.78 mm)

e3

Nano

0.428 x 0.188 x 0.188 in (10.86 x 4.78 x 4.78 mm)

0.188 in (4.78 mm)

CUL; TUV; UL

105 °C (221 °F)

0453.400

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

400 mA

Wraparound

48.4 mJ

-55 °C (-67 °F)

Silver

5 s

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

Nano

0.106 in (2.69 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

0451003.MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

Wraparound

1.65 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)

CSA; CUL; PSE; UL

125 °C (257 °F)

Very Fast

043502.5KRHF

Littelfuse

Electric Fuse

Surface Mount

32 V

2.5 A

Wraparound

156 mJ

-55 °C (-67 °F)

Matte Tin

35 A

4 h

Rated Breaking Capacity at 32 VDC: 35 A, Joule Integral Nom at 32 VDC: 0.1560

0.156

Tape And Reel

0.041 in (1.04 mm)

0.022 in (0.56 mm)

e3

32 V

Nano

0.041 x 0.022 x 0.015 in (1.04 x 0.56 x 0.38 mm)

0.015 in (0.38 mm)

CSA; UL

90 °C (194 °F)

Very Fast

045302.5MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

Wraparound

1.029 J

-55 °C (-67 °F)

Silver

50 A

5 s

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

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; PSE; UL

125 °C (257 °F)

Very Fast

046601.5

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.5 A

Wraparound

110.3 mJ

-55 °C (-67 °F)

Matte Tin

50 A

200 ms

Pre Arcing Time: Open within 0.2 s at 300% Rated Current

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)

Very Fast

04661.75

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.75 A

Wraparound

132.3 mJ

-55 °C (-67 °F)

Matte Tin

50 A

Rated Breaking Capacity at 63 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

0434.680

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

680 mA

Wraparound

10.9 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

50 A

Rated Breaking Capacity at 32 VDC: 50 A

0.063 in (1.6 mm)

0.032 in (0.813 mm)

e0

0.063 x 0.032 x 0.012 in (1.6 x 0.813 x 0.305 mm)

0.012 in (0.305 mm)

CSA; UL

90 °C (194 °F)

Very Fast

04511.25NRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.25 A

Wraparound

664 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

0451.800NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

800 mA

Wraparound

265.4 mJ

-55 °C (-67 °F)

Gold

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

5 s

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

429.500WR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

500 mA

Wraparound

6 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

50 A

429

Rated Breaking Capacity at 63 VDC: 50 A

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e0

0.125 x 0.06 x 0.045 in (3.18 x 1.52 x 1.14 mm)

0.045 in (1.14 mm)

CSA; UL

90 °C (194 °F)

Very Fast

043503.5KR

Littelfuse

Electric Fuse

Surface Mount

32 V

3.5 A

Wraparound

301.7 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

Rated Breaking Capacity at 32 VDC: 35 A

Tape And Reel

0.039 in (0.99 mm)

0.02 in (0.51 mm)

e3

0.039 x 0.02 x 0.012 in (0.99 x 0.51 x 0.3 mm)

0.012 in (0.3 mm)

CSE; UL

90 °C (194 °F)

Fast

0451.800NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

800 mA

Wraparound

271 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

429.125WRM

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

125 mA

Wraparound

200 μJ

-55 °C (-67 °F)

Tin Lead Over Nickel

429

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e0

0.125 x 0.06 x 0.045 in (3.18 x 1.52 x 1.14 mm)

0.045 in (1.14 mm)

CSA; UL

90 °C (194 °F)

Very Fast

045102.5NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

Wraparound

1.029 J

-55 °C (-67 °F)

Tin/Lead

50 A

5 s

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

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

4291.25WR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.25 A

Wraparound

65 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

50 A

429

Rated Breaking Capacity at 63 VDC: 50 A

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e0

0.125 x 0.06 x 0.045 in (3.18 x 1.52 x 1.14 mm)

0.045 in (1.14 mm)

CSA; UL

90 °C (194 °F)

Very Fast

1600.75MR

Littelfuse

Electric Fuse

Surface Mount

250 V

750 mA

Wraparound

2.25 J

-55 °C (-67 °F)

Silver

50 A

4 h

3.025

Tape And Reel

0.398 in (10.1 mm)

0.123 in (3.12 mm)

e4

250 V

Nano

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

0.123 in (3.12 mm)

UL

125 °C (257 °F)

04661.25

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.25 A

Wraparound

64 mJ

-55 °C (-67 °F)

Matte Tin

50 A

200 ms

Pre Arcing Time: Open within 0.2 s at 300% Rated Current

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)

Very Fast

RF0343-000

Littelfuse

Electric Fuse

Surface Mount

32 V

3 A

Wraparound

870 mJ

50 A

UL

125 °C (257 °F)

Slow

0453010.MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

10 A

Wraparound

26.46 J

-55 °C (-67 °F)

Silver

35 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; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

04490.750MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

750 mA

Wraparound

847 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

0402SFF100F/24-2

Littelfuse

Electric Fuse

Surface Mount

24 V

1 A

Wraparound

35 A

0402SFF100F/24-2

UL

125 °C (257 °F)

Fast

0459002UR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2 A

Wraparound

421 mJ

-55 °C (-67 °F)

Matte Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.285 in (7.24 mm)

0.17 in (4.32 mm)

e3

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

0157.400DR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

400 mA

Wraparound

48.4 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

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

045303.5

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3.5 A

Wraparound

2.469 J

-55 °C (-67 °F)

Silver

50 A

5 s

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

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

Nano

0.106 in (2.69 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Very Fast

0451.080MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

80 mA

Wraparound

330 μJ

-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

ITV9550L1245MR

Littelfuse

Electric Fuse

Surface Mount

85 V

45 A

Wraparound

-10 °C (14 °F)

120 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)

ITV5432L1230WR

Littelfuse

Electric Fuse

Surface Mount

62 V

30 A

Wraparound

-10 °C (14 °F)

80 A

Tape And Reel

0.213 in (5.4 mm)

0.126 in (3.2 mm)

0.071 in (1.8 mm)

CUL; TUV; UL

65 °C (149 °F)

015703.5.DR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3.5 A

Wraparound

2.469 J

-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

045203.5MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3.5 A

Wraparound

26.53 J

-55 °C (-67 °F)

Gold

50 A

4 h

Rated Breaking Capacity at 125 VDC: 50 A

26.53

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; PSE; UL

125 °C (257 °F)

Time Lag

0453003

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

Wraparound

1.65 J

Silver

50 A

453

Rated Breaking Capacity at 32 VDC: 300 A

e4

CSA; UL

Very Fast

0402SFF300F/24-2

Littelfuse

Electric Fuse

Surface Mount

24 V

3 A

Wraparound

35 A

0402SFF300F/24-2

UL

125 °C (257 °F)

Fast

155.0892.6301

Littelfuse

Electric Fuse

Surface Mount

58 V

300 A

Wraparound

372 kJ

-40 °C (-40 °F)

Matte Tin

2 kA

372000

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.