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

0435.375KRHFS

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

375 mA

Wraparound

4 mJ

-55 °C (-67 °F)

35 A

Rated Breaking Capacity at 32 VDC

Tape And Reel

0.039 in (0.99 mm)

0.02 in (0.51 mm)

0.039 x 0.02 x 0.012 in (0.99 x 0.51 x 0.3 mm)

0.012 in (0.3 mm)

CSA; UL

90 °C (194 °F)

Very Fast

R451010.

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

10 A

Wraparound

26.46 J

35 A

125 V

Nano

CSA; UL

Very Fast

R271003

Littelfuse

Electric Fuse

Surface Mount

60 V

60 V

3 A

End Cap

1.23 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)

60 V

Nano

0.225 in (5.715 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0441002.WRA

Littelfuse

Electric Fuse

Surface Mount

32 V

2 A

Wraparound

310.3 mJ

-55 °C (-67 °F)

Matte Tin

50 A

5 s

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

0603

0.063 x 0.035 x 0.022 in (1.61 x 0.88 x 0.55 mm)

0.02 in (0.502 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

4181630000

Littelfuse

Electric Fuse

Surface Mount

75 V

60 V

6.3 A

Wraparound

14 J

-55 °C (-67 °F)

50 A

Tape And Reel, Blister

0.236 in (6 mm)

0.098 in (2.5 mm)

5 s

2410

0.098 in (2.5 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0440.750WRA

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

750 mA

Wraparound

93.12 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

0.126 x 0.064 x 0.033 in (3.2 x 1.63 x 0.835 mm)

0.033 in (0.835 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

045203.5NR

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

045501.6MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.6 A

End Cap

1.06 J

-55 °C (-67 °F)

Tin Lead

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)

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)

IEC; UL

125 °C (257 °F)

Fast

0603SFV400F/32-2

Littelfuse

Electric Fuse

Surface Mount

32 V

4 A

Wraparound

1.15 J

-55 °C (-67 °F)

35 A

4 h

1.15

0.069 in (1.75 mm)

0.037 in (0.95 mm)

32 V

0603

0.069 x 0.037 x 0.019 in (1.75 x 0.95 x 0.48 mm)

0.019 in (0.48 mm)

UL

125 °C (257 °F)

Very Fast

RF0454-000

Littelfuse

Electric Fuse

Surface Mount

63 V

1.5 A

Wraparound

330 mJ

50 A

RF0454-000

UL

125 °C (257 °F)

429003

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

3 A

Wraparound

700 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

50 A

200 ms

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

0.7

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e0

32 V

26 mΩ

1206

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

125 °C (257 °F)

Very Fast

431005

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

5 A

Wraparound

1.6 J

-55 °C (-67 °F)

Tin Lead Over Nickel

35 A

431

Rated Breaking Capacity at 32 VDC: 35 A

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

4201100000

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

1.6 J

-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

0467.750NRHF

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

200 ms

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 0.81 x 0.31 mm)

0.013 in (0.33 mm)

CSA; CUL; TUV; UL

90 °C (194 °F)

Fast

3298500.H

Littelfuse

Electric Fuse

Surface Mount

32 V

500 A

Wraparound

1.55 MJ

-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)

3998175.ZXM10

Littelfuse

Electric Fuse

Surface Mount

80 V

175 A

Wraparound

150 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)

R451010.MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

10 A

Wraparound

26.46 J

-55 °C (-67 °F)

Gold

35 A

451

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

R451015.MRL

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

15 A

Wraparound

97.82 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

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; PSE; UL

125 °C (257 °F)

Very Fast

0476003.MR

Littelfuse

Electric Fuse

Surface Mount

250 V

125 V

3 A

Wraparound

1.66 J

-55 °C (-67 °F)

100 A

Interrupting Current Max(DC): 300 A, Pre Arcing Time: open within 0.001 s at 1000% rated current

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)

CUL; IEC; UL

125 °C (257 °F)

Fast

040703.5WRA

Littelfuse

Electric Fuse

Surface Mount

32 V

3.5 A

Wraparound

2.26 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)

0451.375NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

375 mA

Wraparound

42.5 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

0448.250

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

250 mA

End Cap

15.2 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

0448001.NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

End Cap

441 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; METI; PSE; UL

125 °C (257 °F)

Very Fast

1206SFS250F/32

Littelfuse

Electric Fuse

Surface Mount

32 V

2.5 A

End Cap

900 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

Rated Breaking Capacity at 32 VDC: 50 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

4410315000

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

315 mA

Wraparound

400 μJ

-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

0456025.DR

Littelfuse

Electric Fuse

Surface Mount

125 V

72 V

25 A

Wraparound

45 J

-55 °C (-67 °F)

Silver

100 A

1 m

Rated Breaking Capacity at 72 VDC: 500 A, Pre Arcing Time: Open within 60 s at 200% Rated Current

45

Tape And Reel

0.398 in (10.1 mm)

0.12 in (3.05 mm)

e4

125 V

Nano

0.398 x 0.123 x 0.123 in (10.1 x 3.12 x 3.12 mm)

0.12 in (3.05 mm)

CSA; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

0454003.NRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

Wraparound

20.16 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

0433007.NR

Littelfuse

Electric Fuse

Surface Mount

24 V

24 V

7 A

Wraparound

3.969 J

-55 °C (-67 °F)

Tin Lead Over Nickel

50 A

433

Rated Breaking Capacity at 24 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

0402SFF150F/24-2

Littelfuse

Electric Fuse

Surface Mount

24 V

1.5 A

Wraparound

35 A

0402SFF150F/24-2

UL

125 °C (257 °F)

Fast

R27102.5

Littelfuse

Electric Fuse

Surface Mount

60 V

60 V

2.5 A

End Cap

721 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

0465001.

Littelfuse

Electric Fuse

Surface Mount

250 V

1 A

End Cap

2.8 J

-55 °C (-67 °F)

Silver

100 A

Joule Integral Nom at Rated Voltage(DC): 2.8

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)

METI; PSE; UL

125 °C (257 °F)

Time Lag

R451008.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

8 A

Wraparound

20.23 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

0407006.WR

Littelfuse

Electric Fuse

Surface Mount

24 V

24 V

6 A

Wraparound

15.56 J

-55 °C (-67 °F)

Matte Tin Over Nickel

60 A

2 ms

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

24 V

12 mΩ

1206

0.033 in (0.835 mm)

UL

150 °C (302 °F)

Time Lag

C96949-000

Littelfuse

Electric Fuse

Surface Mount

32 V

4 A

Wraparound

45 A

UL

125 °C (257 °F)

Fast

0464.500DR

Littelfuse

Electric Fuse

Surface Mount

250 V

500 mA

End Cap

300 mJ

-55 °C (-67 °F)

Silver

100 A

0.22

Tape And Reel

0.476 in (12.1 mm)

0.177 in (4.5 mm)

e4

250 V

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)

PSE; UMF

125 °C (257 °F)

Fast

0433004.DR

Littelfuse

Electric Fuse

Surface Mount

250 V

4 A

End Cap

70.56 J

-55 °C (-67 °F)

Silver

50 A

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

1206SFF250F/32

Littelfuse

Electric Fuse

Surface Mount

32 V

2.5 A

Wraparound

-55 °C (-67 °F)

Tin with Nickel barrier

50 A

4 h

Rated Breaking Capacity at 32 VDC: 50 A

0.14

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e3

32 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

R451007.MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

7 A

Wraparound

10.32 J

-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

125 V

Nano

0.106 in (2.69 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

0603SFS200F/32-2

Littelfuse

Electric Fuse

Surface Mount

32 V

2 A

Wraparound

320 mJ

50 A

UL

125 °C (257 °F)

Slow

0452007.NR

Littelfuse

Electric Fuse

Surface Mount

72 V

60 V

7 A

Wraparound

123.83 J

-55 °C (-67 °F)

Gold

50 A

Rated Breaking Capacity at 60 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)

Time Lag

0453004.NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

4 A

Wraparound

3.152 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

429007

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

200 ms

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

3.6

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e0

24 V

9 mΩ

1206

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

125 °C (257 °F)

Very Fast

0203005.URG

Littelfuse

Electric Fuse

Surface Mount

250 V

5 A

Gull Wing

14.7 J

-55 °C (-67 °F)

Tin Lead

50 A

4 h

14.7

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

0242.040UR

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

40 mA

Wraparound

78 μJ

-40 °C (-40 °F)

Matte Tin

4 kA

Pre Arcing Time: Open within 0.002 s at 1000% Rated Current

Tape And Reel

0.119 in (3.02 mm)

e3

0.119 x 0.331 in (3.02 x 8.4 mm)

0.331 in (8.4 mm)

CUL; UL

125 °C (257 °F)

045315.0NRL

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

15 A

Wraparound

97.82 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; UL

125 °C (257 °F)

Very Fast

R451.315NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3.15 A

Wraparound

1.92 J

-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

04513.50NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3.5 A

Wraparound

2.469 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

046506.3

Littelfuse

Electric Fuse

Surface Mount

250 V

6.3 A

End Cap

144.4 J

-55 °C (-67 °F)

Silver

100 A

Joule Integral Nom at Rated Voltage(DC): 144.4

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)

METI; PSE; UL

125 °C (257 °F)

Time Lag

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.