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

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

4190062000

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

62 mA

End Cap

100 μJ

-65 °C (-85 °F)

Silver

50 A

Tape And Reel

0.24 in (6.1 mm)

0.109 in (2.77 mm)

e4

5 s

0.24 x 0.109 x 0.109 in (6.1 x 2.77 x 2.77 mm)

0.109 in (2.77 mm)

CSA; UL

125 °C (257 °F)

Very 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

R271.750

Littelfuse

Electric Fuse

Surface Mount

60 V

60 V

750 mA

End Cap

155 mJ

-55 °C (-67 °F)

50 A

1 s

Rated Breaking Capacity at 60 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

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

0448.160NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

160 mA

End Cap

2.8 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

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

04653.15

Littelfuse

Electric Fuse

Surface Mount

250 V

3.15 A

End Cap

31.7 J

-55 °C (-67 °F)

Silver

100 A

Joule Integral Nom at Rated Voltage(DC): 31.7

31.7

Tape And Reel

0.476 in (12.1 mm)

0.177 in (4.5 mm)

e4

250 V

21 mΩ

Nano

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

0.177 in (4.5 mm)

METI; PSE; UL

125 °C (257 °F)

Time Lag

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

0304.160HR

Littelfuse

Electric Fuse

Surface Mount

277 V

277 V

160 mA

J Bend

2.02 mJ

-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)

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)

1206SFS700F/24

Littelfuse

Electric Fuse

Surface Mount

24 V

7 A

End Cap

10 J

-55 °C (-67 °F)

Tin Over Nickel

60 A

Rated Breaking Capacity at 24 VDC: 60 A

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e3

0.126 x 0.063 x 0.038 in (3.2 x 1.6 x 0.97 mm)

0.038 in (0.97 mm)

UL

125 °C (257 °F)

Slow

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)

0603SFP300F/32

Littelfuse

Electric Fuse

Surface Mount

32 V

3 A

Wraparound

720 mJ

-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)

0603SFV100F/32

Littelfuse

Electric Fuse

Surface Mount

32 V

1 A

Wraparound

50 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

0469006.WR

Littelfuse

Electric Fuse

Surface Mount

24 V

6 A

Wraparound

9.41 J

-55 °C (-67 °F)

Tin with Nickel barrier

60 A

2 ms

0.27

Tape And Reel

0.129 in (3.27 mm)

0.064 in (1.63 mm)

e3

24 V

28 mΩ

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

0470001.DRSNP

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

148 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

5 s

Tape And Reel

0.13 in (3.3 mm)

0.062 in (1.58 mm)

e3

5 s

1206

0.13 x 0.062 x 0.046 in (3.3 x 1.58 x 1.17 mm)

0.046 in (1.17 mm)

CUL; UL

125 °C (257 °F)

Fast

045202.5MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

Wraparound

15 J

-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)

Time Lag

43101.5NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

1.5 A

Wraparound

52.6 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

35 A

431

Rated Breaking Capacity at 32 VDC: 35 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

ITV5432L1430WR

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)

0438008.WR

Littelfuse

Electric Fuse

Surface Mount

24 V

8 A

Wraparound

1.384 J

-55 °C (-67 °F)

Tin

50 A

438

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

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

0.02 in (0.5 mm)

UL

150 °C (302 °F)

Fast

0448012.NR

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

12 A

End Cap

47.59 J

-55 °C (-67 °F)

Gold

50 A

Rated Breaking Capacity at 65 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

0452.750NRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

750 mA

Wraparound

904 mJ

-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

0448.750

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

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

04611.25T

Littelfuse

Electric Fuse

Surface Mount

250 V

1.25 A

End Cap

-55 °C (-67 °F)

Tin Lead

461

Rated Breaking Capacity at 600 V: 60 A, Joule Integral Nom at 250 VDC: 22.2

e0

CSA; UL

125 °C (257 °F)

202005G

Littelfuse

Electric Fuse

Surface Mount

250 V

5 A

Gull Wing

4.68 J

-55 °C (-67 °F)

Tin/Lead

50 A

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)

Fast

429007WR

Littelfuse

Electric Fuse

Surface Mount

24 V

24 V

7 A

Wraparound

3.6 J

-55 °C (-67 °F)

Tin Lead Over Nickel

35 A

429

Rated Breaking Capacity at 24 VDC: 35 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

0453015.MRL

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

15 A

Wraparound

97.82 J

-55 °C (-67 °F)

Silver

50 A

20 s

Pre Arcing Time: Open within 20 s at 200% Rated Current

97.82

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)

CSA; UL

125 °C (257 °F)

Very Fast

R452.750

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

750 mA

End Cap

904 mJ

-55 °C (-67 °F)

Tin/Lead

50 A

452

Rated Breaking Capacity at 125 VDC: 50 A

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)

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.