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

04691.25WR

Littelfuse

Electric Fuse

Surface Mount

63 V

1.25 A

Wraparound

-55 °C (-67 °F)

Tin Over Nickel

50 A

4 h

Tape And Reel

0.129 in (3.27 mm)

0.064 in (1.63 mm)

e3

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; UL

150 °C (302 °F)

Slow

0603SFS100F/32

Littelfuse

Electric Fuse

Surface Mount

32 V

1 A

Wraparound

90 mJ

-55 °C (-67 °F)

50 A

Rated Breaking Capacity at 32 VDC: 40 A

0.069 in (1.75 mm)

0.037 in (0.95 mm)

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

0460.500

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

210 mJ

-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

799062-000

Littelfuse

Electric Fuse

Surface Mount

32 V

3 A

Wraparound

1.2 J

50 A

UL

125 °C (257 °F)

Slow

160001.MR

Littelfuse

Electric Fuse

Surface Mount

250 V

1 A

Wraparound

9 J

-55 °C (-67 °F)

Silver

50 A

4 h

9

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)

0454.375NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

375 mA

Wraparound

101 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

R271004

Littelfuse

Electric Fuse

Surface Mount

60 V

60 V

4 A

End Cap

2.35 J

-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

043601.6

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

1.6 A

Wraparound

13.5 J

-55 °C (-67 °F)

Tin Lead Over Nickel

100 A

4 h

Rated Breaking Capacity at 250 VDC: 100 A

13.5

Tape And Reel

0.59 in (14.99 mm)

0.2 in (5.08 mm)

e0

250 V

165 mΩ

0.59 x 0.2 x 0.07 in (14.99 x 5.08 x 1.78 mm)

0.07 in (1.78 mm)

CSA; UL

125 °C (257 °F)

1206SFF075FM/63

Littelfuse

Electric Fuse

Surface Mount

63 V

750 mA

End Cap

-55 °C (-67 °F)

Rated Breaking Capacity at 63 VDC: 50 A

0.134 in (3.4 mm)

0.071 in (1.8 mm)

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)

0452.500L

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

End Cap

240 mJ

-55 °C (-67 °F)

Gold

50 A

452

Rated Breaking Capacity at 125 VDC: 50

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)

Slow

R451.500

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

79.5 mJ

-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

0.106 in (2.69 mm)

CSA; METI; PSE; UL

125 °C (257 °F)

Very Fast

0202.062HXG

Littelfuse

Electric Fuse

Surface Mount

250 V

62 mA

Gull Wing

220 μJ

-55 °C (-67 °F)

Tin/Lead

50 A

2 s

0.0002

Bulk

0.372 in (9.45 mm)

0.25 in (6.35 mm)

e0

250 V

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

1206SFP100F/63

Littelfuse

Electric Fuse

Surface Mount

63 V

1 A

Wraparound

110 mJ

50 A

0.134 in (3.4 mm)

0.071 in (1.8 mm)

200 µs

1206

0.046 in (1.17 mm)

4410500000

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

500 mA

Wraparound

2 mJ

-40 °C (-40 °F)

50 A

Blister Tape

0.126 in (3.2 mm)

0.063 in (1.6 mm)

5 s

1206

0.028 in (0.7 mm)

CSA; UL

85 °C (185 °F)

Very Fast

0453.800MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

800 mA

Wraparound

265.4 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

0483012.DR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

12 A

Wraparound

25 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)

0435.750KR

Littelfuse

Electric Fuse

Surface Mount

32 V

750 mA

Wraparound

12 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

35 A

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

0451015.MRSN

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

15 A

Wraparound

97.82 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

0.24 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

0438006.WR

Littelfuse

Electric Fuse

Surface Mount

12 V

24 V

6 A

Wraparound

1.384 J

-55 °C (-67 °F)

Tin with Nickel barrier

50 A

4 h

1.3

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

24 V

8.7 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

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

0203.250URG

Littelfuse

Electric Fuse

Surface Mount

250 V

250 mA

Gull Wing

12.6 mJ

-55 °C (-67 °F)

Tin Lead

50 A

4 h

0.012

Tape And Reel

0.372 in (9.45 mm)

0.25 in (6.35 mm)

e0

250 V

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

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

0202.750HXG

Littelfuse

Electric Fuse

Surface Mount

250 V

750 mA

Gull Wing

98 mJ

-55 °C (-67 °F)

Tin/Lead

50 A

2 s

0.09

Bulk

0.372 in (9.45 mm)

0.25 in (6.35 mm)

e0

250 V

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

0454004

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

4 A

End Cap

34.4 J

-55 °C (-67 °F)

Silver

50 A

Rated Breaking Capacity at 125 VDC: 50 A, Joule Integral Nom at 125 VDC: 34.4

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)

Slow

0452002.L

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2 A

End Cap

8.2 J

-55 °C (-67 °F)

Gold

50 A

4 h

Rated Breaking Capacity at 125 VDC: 50

8.2

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

62.5 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)

Slow

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

0448.500

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

End Cap

100 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

464005

Littelfuse

Electric Fuse

Surface Mount

250 V

5 A

End Cap

23.1 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

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)

0242.200

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

200 mA

End Cap

3.8 mJ

4 kA

Rated Breaking Capacity at 250 VDC: 4000 A

Tape And Reel

0.331 in (8.4 mm)

0.331 x 0.119 in (8.4 x 3.02 mm)

0.119 in (3.02 mm)

UL

R451007.

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

7 A

Wraparound

10.32 J

Tin/Lead

50 A

e0

125 V

Nano

CSA; UL

Very Fast

R451001.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

459 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

044001.5WR

Littelfuse

Electric Fuse

Surface Mount

50 V

50 V

1.5 A

Wraparound

506.52 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

4 h

0.506

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

32 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)

04535.00MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

5 A

Wraparound

5.566 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

0160.75MR

Littelfuse

Electric Fuse

Surface Mount

250 V

750 mA

Wraparound

3.025 J

-55 °C (-67 °F)

50 A

2 m

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

Tape And Reel

0.429 in (10.9 mm)

0.189 in (4.8 mm)

Nano

0.189 in (4.8 mm)

CUL; UL

125 °C (257 °F)

Time Delay

0451015.MR

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

15 A

Wraparound

97.82 J

-55 °C (-67 °F)

50 A

4 h

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e0

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; UL

125 °C (257 °F)

Very Fast

RF1560-000

Littelfuse

Electric Fuse

Surface Mount

32 V

1 A

Wraparound

36 mJ

50 A

UL

125 °C (257 °F)

Very Fast

044806.3MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

6.3 A

Wraparound

12.1 J

-55 °C (-67 °F)

Gold

50 A

5 s

12.1

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; PSE; UL

125 °C (257 °F)

Very Fast

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.