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

0456040.ER

Littelfuse

Electric Fuse

Surface Mount

60 V

40 A

Wraparound

454 J

-55 °C (-67 °F)

Silver

600 A

4 h

454

Tape And Reel

0.492 in (12.5 mm)

0.175 in (4.45 mm)

e4

60 V

Nano

0.492 x 0.175 x 0.175 in (12.5 x 4.45 x 4.45 mm)

0.175 in (4.45 mm)

UL

125 °C (257 °F)

Very Fast

0433.600NR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

600 mA

Wraparound

13.1 mJ

-55 °C (-67 °F)

Tin Lead

50 A

433

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

045402.5

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

End Cap

15 J

-55 °C (-67 °F)

Silver

50 A

Rated Breaking Capacity at 125 VDC: 50 A

Tape And Reel

0.106 in (2.69 mm)

0.106 in (2.69 mm)

e4

0.106 x 0.106 x 0.24 in (2.69 x 2.69 x 6.1 mm)

0.24 in (6.1 mm)

CSA; METI; PSE; UL

125 °C (257 °F)

Fast

1206SFS200FM/63

Littelfuse

Electric Fuse

Surface Mount

63 V

2 A

End Cap

-55 °C (-67 °F)

Tin Over Nickel

Rated Breaking Capacity at 63 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

0603SFS100F/32-2

Littelfuse

Electric Fuse

Surface Mount

32 V

1 A

End Cap

90 mJ

40 A

Rated Breaking Capacity at 32 VDC: 40 A

UL

125 °C (257 °F)

Slow

0451.750NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

750 mA

Wraparound

185 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; UL

125 °C (257 °F)

Very Fast

0446004.ZRP

Littelfuse

Electric Fuse

Surface Mount

350 V

4 A

Gull Wing

17 J

-60 °C (-76 °F)

100 A

5 s

17

Tape And Reel

0.43 in (10.92 mm)

0.15 in (3.81 mm)

350 V

0.43 x 0.15 x 0.345 in (10.92 x 3.81 x 8.76 mm)

0.345 in (8.76 mm)

CSA; UL

125 °C (257 °F)

Fast

RF1569-000

Littelfuse

Electric Fuse

Surface Mount

32 V

4.5 A

Wraparound

1.68 J

35 A

UL

125 °C (257 °F)

Very Fast

0448005.NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

5 A

End Cap

4.49 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; METI; PSE; UL

125 °C (257 °F)

Very Fast

0242.080

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

80 mA

End Cap

210 μJ

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

020202.5HXG

Littelfuse

Electric Fuse

Surface Mount

250 V

2.5 A

Gull Wing

1.76 J

-55 °C (-67 °F)

Tin/Lead

50 A

2 s

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

043403.5

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

3.5 A

Wraparound

265 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

35 A

Rated Breaking Capacity at 32 VDC: 35 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

0453.800NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

800 mA

Wraparound

265.4 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

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

0448015.NR

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

15 A

End Cap

96.1 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

020301.5HXG

Littelfuse

Electric Fuse

Surface Mount

250 V

1.5 A

Gull Wing

850 mJ

-55 °C (-67 °F)

Tin Lead

50 A

4 h

0.85

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)

Slow

0434.500

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

500 mA

Wraparound

8.7 mJ

-55 °C (-67 °F)

Tin/Lead with Nickel barrier

50 A

Rated Breaking Capacity at 32 VDC: 50 A

Tape And Reel

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

0451015.NRSN

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

0464.500

Littelfuse

Electric Fuse

Surface Mount

250 V

500 mA

End Cap

300 mJ

-55 °C (-67 °F)

Silver

100 A

Joule Integral Nom at 32 VDC: 0.3

0.22

Tape And Reel

0.476 in (12.1 mm)

0.177 in (4.5 mm)

e4

250 V

237.3 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)

Fast

0433.500NR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

500 mA

Wraparound

6 mJ

-55 °C (-67 °F)

Tin Lead

50 A

433

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

0451007.MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

7 A

Wraparound

10.32 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

0467.500

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

500 mA

Wraparound

8.7 mJ

-55 °C (-67 °F)

Matte Tin

50 A

200 ms

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

0.0087

0.063 in (1.6 mm)

0.032 in (0.813 mm)

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

0448015.

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

15 A

End Cap

96.1 J

-55 °C (-67 °F)

Gold

50 A

4 h

Rated Breaking Capacity at 65 VDC: 50 A

96.1

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

65 V

3.94 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; PSE; UL

125 °C (257 °F)

Very Fast

044903.5MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3.5 A

Wraparound

32.7 J

-55 °C (-67 °F)

Gold

50 A

2 ms

32.7

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)

CUL; UL

125 °C (257 °F)

Slow

43102.5NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

2.5 A

Wraparound

175 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

0453.375

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

375 mA

End Cap

42.5 mJ

Silver

50 A

e4

CSA; UL

Very Fast

4191700000

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

7 A

End Cap

11.6 J

-65 °C (-85 °F)

Silver

35 A

Rated Breaking Capacity at 125 VDC: 100 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

04381.75WR

Littelfuse

Electric Fuse

Surface Mount

32 V

1.75 A

Wraparound

144 mJ

-55 °C (-67 °F)

Matte Tin

50 A

4 h

0.144

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

63 V

125 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

0476003.MRSN

Littelfuse

Electric Fuse

Surface Mount

250 V

125 V

3 A

Wraparound

1.66 J

-55 °C (-67 °F)

Tin

100 A

1 ms

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 1 ms at 1000% Rated Current

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e3

Nano

0.106 in (2.69 mm)

CUL; PSE; UL

125 °C (257 °F)

Fast

4200500000

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

220 mJ

-40 °C (-40 °F)

50 A

Blister Tape

0.24 in (6.1 mm)

0.106 in (2.7 mm)

1 s

2410

0.106 in (2.7 mm)

85 °C (185 °F)

Time Lag

R451.800

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

800 mA

End Cap

271 mJ

Tin/Lead

50 A

e0

CSA; UL

Very Fast

040704.5WRA

Littelfuse

Electric Fuse

Surface Mount

32 V

4.5 A

Wraparound

5.2 J

-55 °C (-67 °F)

50 A

50 ms

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

1206

0.033 in (0.835 mm)

AEC-Q200; CUL; UL

150 °C (302 °F)

0453008.MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

8 A

Wraparound

20.23 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

0451005.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

5 A

Wraparound

5.566 J

-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; PSE; UL

125 °C (257 °F)

Very Fast

0433005.DR

Littelfuse

Electric Fuse

Surface Mount

250 V

5 A

End Cap

127.79 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

0453015.NR

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

15 A

Wraparound

97.82 J

-55 °C (-67 °F)

Silver

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)

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; CUL; UL

125 °C (257 °F)

Very Fast

045903.5

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3.5 A

Wraparound

1.65 J

-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

1206SFF075F/63-2

Littelfuse

Electric Fuse

Surface Mount

63 V

750 mA

Wraparound

50 A

1206SFF075F/63-2

UL

125 °C (257 °F)

Fast

0453.125NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

125 mA

Wraparound

2.86 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

043302.0NR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

2 A

Wraparound

230 mJ

-55 °C (-67 °F)

Tin Lead

50 A

433

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

0452.750L

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

750 mA

End Cap

904 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

F88154-000

Littelfuse

Electric Fuse

Surface Mount

24 V

8 A

Wraparound

16.9 J

60 A

UL

125 °C (257 °F)

Slow

4201400000

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

4 A

Wraparound

24 J

-40 °C (-40 °F)

35 A

Blister Tape

0.24 in (6.1 mm)

0.106 in (2.7 mm)

1 s

2410

0.106 in (2.7 mm)

85 °C (185 °F)

Time Lag

R460.750

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

750 mA

Wraparound

760 mJ

50 A

460

Rated Breaking Capacity at 125 VDC: 50 A

CSA; UL

04831.25DR

Littelfuse

Electric Fuse

Surface Mount

75 V

75 V

1.25 A

Wraparound

550 mJ

-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

0.046 in (1.1684 mm)

UL

125 °C (257 °F)

1206SFP300F/32

Littelfuse

Electric Fuse

Surface Mount

32 V

3 A

Wraparound

1.35 J

50 A

0.134 in (3.4 mm)

0.071 in (1.8 mm)

200 µs

1206

0.046 in (1.17 mm)

4200750000

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

750 mA

Wraparound

810 mJ

-40 °C (-40 °F)

50 A

Blister Tape

0.24 in (6.1 mm)

0.106 in (2.7 mm)

1 s

2410

0.106 in (2.7 mm)

85 °C (185 °F)

Time Lag

0453.062

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

62 mA

Wraparound

200 μJ

Silver

0.383 in (9.7282 mm)

0.198 in (5.0292 mm)

e4

125 V

Nano

0.15 in (3.81 mm)

CSA; UL

Very Fast

3298225.Z

Littelfuse

Electric Fuse

Surface Mount

32 V

225 A

Wraparound

95 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)

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.