Wraparound Fuses 2,400+

Reset All
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

0451.100MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

100 mA

Wraparound

1.38 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

R4511.25NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.25 A

Wraparound

664 mJ

-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

Nano

0.106 in (2.69 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0451.250NRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

250 mA

Wraparound

15.8 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

043402.5NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

2.5 A

Wraparound

175 mJ

-55 °C (-67 °F)

Tin

35 A

434

Rated Breaking Capacity at 32 VDC: 35 A

Tape And Reel

0.063 in (1.6 mm)

0.032 in (0.81 mm)

e3

0.063 x 0.032 x 0.012 in (1.6 x 0.81 x 0.31 mm)

0.012 in (0.31 mm)

CSA; UL

90 °C (194 °F)

Very Fast

0433.600

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

600 mA

Wraparound

13.1 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

50 A

0433

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 0.023 in (3.18 x 1.52 x 0.58 mm)

0.023 in (0.58 mm)

CSA; UL

90 °C (194 °F)

Very Fast

0466005.

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

5 A

Wraparound

1.6 J

-55 °C (-67 °F)

Matte Tin with Nickel barrier

50 A

Rated Breaking Capacity at 32 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

045110.0NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

10 A

Wraparound

26.46 J

-55 °C (-67 °F)

Gold

35 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

R451.062L

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

62 mA

Wraparound

190 μJ

-55 °C (-67 °F)

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

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

3298175.Z

Littelfuse

Electric Fuse

Surface Mount

32 V

175 A

Wraparound

140 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)

045102.5NRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

Wraparound

1.029 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

RF0440-000

Littelfuse

Electric Fuse

Surface Mount

32 V

2.5 A

Wraparound

560 mJ

50 A

RF0440-000

UL

125 °C (257 °F)

0433.500

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

500 mA

Wraparound

6 mJ

-55 °C (-67 °F)

Tin/Lead with Nickel barrier

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)

e0

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

3298080.H

Littelfuse

Electric Fuse

Surface Mount

32 V

80 A

Wraparound

15.5 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)

04533.15NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3.15 A

Wraparound

1.92 J

-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; PSE; UL

125 °C (257 °F)

Very Fast

0467.250

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

250 mA

Wraparound

3 mJ

-55 °C (-67 °F)

Tin/Nickel

50 A

200 ms

Pre Arcing Time: Open within 20 ms at 300% Rated Current

0.063 in (1.6 mm)

0.032 in (0.813 mm)

32 V

435 mΩ

0603

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

0454004.MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

4 A

Wraparound

34.4 J

-55 °C (-67 °F)

50 A

2 ms

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

125 V

Nano

0.106 in (2.69 mm)

CSA; CUL; UL

125 °C (257 °F)

Slow

R452001

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

1.98 J

-55 °C (-67 °F)

Tin Lead

50 A

20 ms

Pre Arcing Time: Open within 0.02 s at 800% Rated Current

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e0

125 V

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

0452001.NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

1.98 J

-55 °C (-67 °F)

Gold

50 A

4 h

Rated Breaking Capacity at 125 VDC: 50 A

1.98

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

043301.5

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.5 A

Wraparound

125 mJ

-55 °C (-67 °F)

Tin/Lead with Nickel barrier

50 A

4 h

Rated Breaking Capacity at 63 VDC: 50 A

0.125

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e0

63 V

62.5 mΩ

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

0603SFP350F/32

Littelfuse

Electric Fuse

Surface Mount

32 V

3.5 A

Wraparound

1.1 J

-55 °C (-67 °F)

50 A

0.069 in (1.75 mm)

0.037 in (0.95 mm)

200 µs

0603

0.037 in (0.95 mm)

UL

125 °C (257 °F)

4291.75WR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.75 A

Wraparound

150 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

R451.125NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

125 mA

Wraparound

2.86 mJ

-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

Nano

0.106 in (2.69 mm)

CSA; UL

125 °C (257 °F)

Very Fast

431.375NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

375 mA

Wraparound

5.3 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

50 A

431

Rated Breaking Capacity at 32 VDC: 50 A

Tape And Reel

0.063 in (1.6 mm)

0.031 in (0.79 mm)

e0

0.063 x 0.031 x 0.018 in (1.6 x 0.79 x 0.46 mm)

0.018 in (0.46 mm)

CSA; UL

90 °C (194 °F)

Very Fast

1206SFF700F/24

Littelfuse

Electric Fuse

Surface Mount

24 V

7 A

Wraparound

-55 °C (-67 °F)

Tin with Nickel barrier

45 A

4 h

Rated Breaking Capacity at 24 VDC: 45 A

1.75

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e3

24 V

0.126 x 0.063 x 0.043 in (3.2 x 1.6 x 1.1 mm)

0.043 in (1.1 mm)

UL

125 °C (257 °F)

Fast

0453.125MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

125 mA

Wraparound

2.86 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

0451.250NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

250 mA

Wraparound

15.8 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

0.24 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

1206SFS600F/24-2

Littelfuse

Electric Fuse

Surface Mount

24 V

6 A

Wraparound

8.5 J

-55 °C (-67 °F)

60 A

2 ms

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

Tape And Reel, Plastic,7 inch

0.126 in (3.2 mm)

0.063 in (1.6 mm)

24 V

1206

0.038 in (0.97 mm)

UL

125 °C (257 °F)

Slow

RF1568-000

Littelfuse

Electric Fuse

Surface Mount

32 V

4 A

Wraparound

1.15 J

35 A

UL

125 °C (257 °F)

Very Fast

0460001UR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

2.01 J

-55 °C (-67 °F)

Tin Over Nickel

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)

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; PSE; UL

125 °C (257 °F)

Slow

0494.375NRHF

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

375 mA

Wraparound

5.3 mJ

-55 °C (-67 °F)

50 A

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

Tape And Reel

0.063 in (1.6 mm)

0.032 in (0.813 mm)

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)

Fast

04533.15MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3.15 A

Wraparound

1.92 J

-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

R451.080NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

80 mA

Wraparound

330 μJ

-55 °C (-67 °F)

Gold with Nickel barrier

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

Nano

0.106 in (2.69 mm)

CSA; UL

125 °C (257 °F)

Very Fast

045301.5MRSN

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

1206SFP300F/32-2

Littelfuse

Electric Fuse

Surface Mount

32 V

3 A

Wraparound

1.35 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)

R451005.

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

5 A

Wraparound

5.566 J

-55 °C (-67 °F)

Tin/Lead

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)

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)

CSA; METI; PSE; UL

125 °C (257 °F)

Very Fast

160003.MR

Littelfuse

Electric Fuse

Surface Mount

250 V

3 A

Wraparound

59.29 J

-55 °C (-67 °F)

Silver

50 A

4 h

59.29

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)

0467.750NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

750 mA

Wraparound

17.1 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

4 h

Rated Breaking Capacity at 32 VDC: 50 A

0.017

Tape And Reel

0.063 in (1.6 mm)

0.032 in (0.813 mm)

Supplemental

e3

32 V

0603

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

04533.50MRL

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)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

0483002.DR

Littelfuse

Electric Fuse

Surface Mount

75 V

75 V

2 A

Wraparound

2 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

75 V

1206

0.062 in (1.5748 mm)

UL

125 °C (257 °F)

431.500NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

500 mA

Wraparound

8.7 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

50 A

431

Rated Breaking Capacity at 32 VDC: 50 A

Tape And Reel

0.063 in (1.6 mm)

0.031 in (0.79 mm)

e0

0.063 x 0.031 x 0.018 in (1.6 x 0.79 x 0.46 mm)

0.018 in (0.46 mm)

CSA; UL

90 °C (194 °F)

Very Fast

0438003.WR

Littelfuse

Electric Fuse

Surface Mount

12 V

32 V

3 A

Wraparound

292.2 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

4 h

0.29

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

32 V

25.2 mΩ

0603

0.061 x 0.033 x 0.02 in (1.54 x 0.85 x 0.5 mm)

0.02 in (0.5 mm)

CSA; UL

150 °C (302 °F)

Fast

0603SFV500F/32

Littelfuse

Electric Fuse

Surface Mount

32 V

5 A

Wraparound

35 A

0.069 in (1.75 mm)

0.037 in (0.95 mm)

1 ms

0603

0.019 in (0.48 mm)

UL

Very Fast

3298175.H

Littelfuse

Electric Fuse

Surface Mount

32 V

175 A

Wraparound

140 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)

468003.NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

3 A

Wraparound

1.27 J

-55 °C (-67 °F)

Matte Tin

50 A

468

Rated Breaking Capacity at 32 VDC: 50

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)

Slow

451674-000

Littelfuse

Electric Fuse

Surface Mount

32 V

2.5 A

Wraparound

900 mJ

50 A

UL

125 °C (257 °F)

Slow

0483008.DR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

8 A

Wraparound

11 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

32 V

1206

0.062 in (1.5748 mm)

UL

125 °C (257 °F)

04516.30NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

6.3 A

Wraparound

9.17 J

-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

ITV9550L4045MR

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)

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.