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

RF2331-000

Littelfuse

Electric Fuse

Surface Mount

32 V

8 A

Wraparound

50 A

UL

125 °C (257 °F)

Fast

R271.250

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

250 mA

End Cap

10.6 mJ

-55 °C (-67 °F)

50 A

1 s

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 1 s at 200% Rated Current

Tape And Reel

0.08 in (2.032 mm)

Nano

0.225 in (5.715 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0448.400

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

400 mA

End Cap

41.6 mJ

-55 °C (-67 °F)

Gold

50 A

Rated Breaking Capacity at 125 VDC: 50 A

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

R451012.MRL

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

12 A

Wraparound

47.97 J

-55 °C (-67 °F)

Gold with Nickel barrier

50 A

451

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

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

R451012.NRL

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

12 A

Wraparound

47.97 J

-55 °C (-67 °F)

Gold with Nickel barrier

50 A

20 s

Pre Arcing Time: Open within 20 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

0433005.

Littelfuse

Electric Fuse

Surface Mount

24 V

24 V

5 A

Wraparound

1.6 J

-55 °C (-67 °F)

Tin Lead Over Nickel

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

24 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

0453008.

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

8 A

Wraparound

20.23 J

-55 °C (-67 °F)

Silver

50 A

4 h

20.23

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

7.7 mΩ

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

0459.500

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

54.6 mJ

-55 °C (-67 °F)

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

R45103.5NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3.5 A

Wraparound

2.469 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

Nano

0.106 in (2.69 mm)

CSA; UL

125 °C (257 °F)

Very Fast

ITV9550L1430MR

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)

0448.200NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

200 mA

End Cap

3.8 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

045303.5NR

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

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; PSE; UL

125 °C (257 °F)

Very Fast

0435.250KR

Littelfuse

Electric Fuse

Surface Mount

32 V

250 mA

Wraparound

2.5 mJ

-55 °C (-67 °F)

Matte Tin

35 A

435

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

015703.5DR

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

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)

PSE; UL

125 °C (257 °F)

Very Fast

0466.500

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

500 mA

Wraparound

6 mJ

-55 °C (-67 °F)

Matte Tin with Nickel barrier

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

0453012

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

12 A

Wraparound

47.97 J

-55 °C (-67 °F)

Silver

50 A

20 s

Rated Breaking Capacity at 24 VDC: 300 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

Nano

0.106 in (2.69 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

04511.25MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.25 A

Wraparound

664 mJ

-55 °C (-67 °F)

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; PSE; UL

125 °C (257 °F)

Very Fast

0603SFS450F/32

Littelfuse

Electric Fuse

Surface Mount

32 V

4.5 A

End Cap

2.7 J

-55 °C (-67 °F)

Tin Over Nickel

50 A

Rated Breaking Capacity at 32 VDC: 40 A

0.069 in (1.75 mm)

0.037 in (0.95 mm)

e3

0.069 x 0.037 x 0.037 in (1.75 x 0.95 x 0.95 mm)

0.037 in (0.95 mm)

UL

125 °C (257 °F)

Slow

045106.3NRL

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

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; CUL; PSE; UL

125 °C (257 °F)

Very Fast

0461002.T

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

2 A

Wraparound

-55 °C (-67 °F)

Tin/Lead

60 A

Joule Integral Nom at 250 VDC: 30

e0

250 V

CSA; UL

125 °C (257 °F)

1206SFS250FM/32

Littelfuse

Electric Fuse

Surface Mount

32 V

2.5 A

End Cap

-55 °C (-67 °F)

Tin Over Nickel

Rated Breaking Capacity at 32 VDC: 50 A

0.134 in (3.4 mm)

0.071 in (1.8 mm)

e3

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)

Slow

0881080.UR

Littelfuse

Electric Fuse

Surface Mount

75 V

80 A

J Bend

3.3 kJ

-55 °C (-67 °F)

Bright Tin Over Nickel

1.5 kA

1 m

Pre Arcing Time: Open within 60 s at 200% Rated Current

Tape And Reel

0.441 in (11.2 mm)

0.394 in (10 mm)

e3

100 V

0.441 x 0.394 x 0.236 in (11.2 x 10 x 6 mm)

0.236 in (6 mm)

CUL; UL

100 °C (212 °F)

0453020.NR

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

20 A

Wraparound

154 J

-55 °C (-67 °F)

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)

65 V

Nano

0.106 in (2.69 mm)

CE; CUL; TUV; UL

125 °C (257 °F)

Very Fast

0455001.MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

End Cap

645 mJ

-55 °C (-67 °F)

Gold

50 A

455

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)

IEC; UL

125 °C (257 °F)

Fast

0468003.

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

3 A

Wraparound

1.27 J

-55 °C (-67 °F)

Tin Over Nickel

50 A

Rated Breaking Capacity at 32 VDC: 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)

Slow

0433002.DR

Littelfuse

Electric Fuse

Surface Mount

250 V

2 A

End Cap

18.06 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

0451020.NRSN

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

20 A

Wraparound

154 J

-55 °C (-67 °F)

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)

Nano

0.106 in (2.69 mm)

CE; CUL; TUV; UL

125 °C (257 °F)

Very Fast

04538.00MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

8 A

Wraparound

20.23 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

0304.050HR

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)

0453.400MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

400 mA

Wraparound

55.1 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

R451.250

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

250 mA

Wraparound

11.3 mJ

50 A

125 V

Nano

CSA; UL

Very Fast

0603SFF100F/32

Littelfuse

Electric Fuse

Surface Mount

32 V

1 A

Wraparound

-55 °C (-67 °F)

Tin with Nickel barrier

35 A

4 h

Rated Breaking Capacity at 32 VDC: 50 A

0.16

0.063 in (1.6 mm)

0.031 in (0.8 mm)

e3

63 V

0.063 x 0.031 x 0.031 in (1.6 x 0.8 x 0.8 mm)

0.031 in (0.8 mm)

UL

125 °C (257 °F)

Fast

043303.5NR

Littelfuse

Electric Fuse

Surface Mount

3.5 A

Wraparound

-55 °C (-67 °F)

Tin Lead

433

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

0460004.ER

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

4 A

J Bend

35 J

-55 °C (-67 °F)

Tin

50 A

100 ms

Tape And Reel

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; PSE; UL

125 °C (257 °F)

Slow

04351.25

Littelfuse

Electric Fuse

Surface Mount

24 V

1.25 A

Wraparound

35 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

R459.500

Littelfuse

Electric Fuse

Surface Mount

500 mA

J Bend

54.6 mJ

-55 °C (-67 °F)

50 A

100 ms

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.285 in (7.24 mm)

0.17 in (4.32 mm)

125 V

Pico

0.12 in (3.05 mm)

UL; CSA

125 °C (257 °F)

Very Fast

3998225.ZXM10

Littelfuse

Electric Fuse

Surface Mount

80 V

225 A

Wraparound

126.9 kJ

-40 °C (-40 °F)

2 kA

100 ms

1.232 in (31.3 mm)

0.984 in (25 mm)

0.63 in (16 mm)

125 °C (257 °F)

01573.0DRT

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

Wraparound

20.16 J

-55 °C (-67 °F)

50 A

20 ms

Tape And Reel

0.256 in (6.5 mm)

0.106 in (2.69 mm)

Nano

0.106 in (2.69 mm)

CUL; PSE; UL

125 °C (257 °F)

Time Lag

04370.250WRA

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

250 mA

Wraparound

3 mJ

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

1206

0.033 in (0.835 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

01575.0DRT

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

5 A

Wraparound

53.72 J

-55 °C (-67 °F)

50 A

20 ms

Tape And Reel

0.256 in (6.5 mm)

0.106 in (2.69 mm)

Nano

0.106 in (2.69 mm)

CUL; PSE; UL

125 °C (257 °F)

Time Lag

01572.0DRT

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2 A

Wraparound

8.2 J

-55 °C (-67 °F)

50 A

20 ms

Tape And Reel

0.256 in (6.5 mm)

0.106 in (2.69 mm)

Nano

0.106 in (2.69 mm)

CUL; PSE; UL

125 °C (257 °F)

Time Lag

01573.5DRT

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3.5 A

Wraparound

26.53 J

-55 °C (-67 °F)

50 A

20 ms

Tape And Reel

0.256 in (6.5 mm)

0.106 in (2.69 mm)

Nano

0.106 in (2.69 mm)

CUL; PSE; UL

125 °C (257 °F)

Time Lag

01572.5DRT

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

Wraparound

15 J

-55 °C (-67 °F)

50 A

20 ms

Tape And Reel

0.256 in (6.5 mm)

0.106 in (2.69 mm)

Nano

0.106 in (2.69 mm)

CUL; PSE; UL

125 °C (257 °F)

Time Lag

04370.500WRA

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

500 mA

Wraparound

18 mJ

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

1206

0.033 in (0.835 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

01570.375DRT

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

375 mA

Wraparound

101 mJ

-55 °C (-67 °F)

50 A

20 ms

Tape And Reel

0.256 in (6.5 mm)

0.106 in (2.69 mm)

Nano

0.106 in (2.69 mm)

CUL; PSE; UL

125 °C (257 °F)

Time Lag

04370.375WRA

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

375 mA

Wraparound

10 mJ

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

1206

0.033 in (0.835 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

04370.750WRA

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

750 mA

Wraparound

64 mJ

-55 °C (-67 °F)

50 A

1 s

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

1206

0.033 in (0.835 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

044301.5DRLC

Littelfuse

Electric Fuse

Surface Mount

280 V

1.5 A

Wraparound

14.72 J

-55 °C (-67 °F)

50 A

2 m

Pre Arcing Time: Open within 120 s at 250% Rated Current

Tape And Reel

0.398 in (10.1 mm)

0.123 in (3.12 mm)

Nano

0.123 in (3.12 mm)

CUL; UL

125 °C (257 °F)

Slow

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.