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

C1Q1

Bel Fuse

Electric Fuse

Surface Mount

125 V

63 V

1 A

Wraparound

4 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

100 A

Rated Breaking Capacity at 63 VDC: 50 A

Tape And Reel

0.126 in (3.2 mm)

0.062 in (1.58 mm)

e3

125 V

1206

0.126 x 0.062 x 0.023 in (3.2 x 1.58 x 0.58 mm)

0.023 in (0.58 mm)

CE; CSA; UL

125 °C (257 °F)

Very Fast

C1S1

Bel Fuse

Electric Fuse

Surface Mount

63 V

63 V

1 A

Wraparound

121 mJ

-55 °C (-67 °F)

Tin with Nickel barrier

50 A

2 ms

Pre-Arcing Time: Open within 0.002 s, at 800% Rated Current

Tape And Reel

0.126 in (3.2 mm)

0.062 in (1.58 mm)

e3

63 V

1206

0.126 x 0.062 x 0.023 in (3.2 x 1.58 x 0.58 mm)

0.023 in (0.58 mm)

CE; CUL; UL

125 °C (257 °F)

Slow

CB61F8A-TR

Cooper Industries

Electric Fuse

Surface Mount

125 V

125 V

8 A

Wraparound

19.5 J

100 A

CB61F

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.24 in (6.1 mm)

0.101 in (2.57 mm)

0.24 x 0.101 x 0.101 in (6.1 x 2.57 x 2.57 mm)

0.101 in (2.57 mm)

CQC; PSE; UL

Fast

CC12H1A-TR

Eaton Corporation

Electric Fuse

Surface Mount

63 V

1 A

Wraparound

180 mJ

-55 °C (-67 °F)

50 A

100 ms

Pre Arcing Time: Open within 0.1 s at 300% Rated Current

0.18

Tape And Reel, 7 inch

0.126 in (3.2 mm)

0.063 in (1.6 mm)

63 V

1206

0.126 x 0.063 x 0.024 in (3.2 x 1.6 x 0.6 mm)

0.026 in (0.65 mm)

AEC-Q200; CUL; UL

125 °C (257 °F)

CC12M10A

Eaton Corporation

Electric Fuse

Surface Mount

24 V

10 A

Wraparound

2 J

-55 °C (-67 °F)

Tin with Nickel barrier

150 A

5 s

Pre Arcing Time: Open within 5 s at 350% Rated Current

Tape And Reel, 7 inch

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e3

24 V

4.5 mΩ

1206

0.035 in (0.89 mm)

CUL; UL

125 °C (257 °F)

E86727-000

TE Connectivity

Electric Fuse

Surface Mount

32 V

5 A

Wraparound

5.3 J

50 A

UL

125 °C (257 °F)

Slow

MCF0402E1R00FSTR

Spc Technology/ Multicomp

Electric Fuse

Surface Mount

32 V

32 V

1 A

Wraparound

8 mJ

-55 °C (-67 °F)

50 A

Tape And Reel, 7 inch

125 °C (257 °F)

Fast

MFU0603FF01000P100

Vishay Intertechnology

Electric Fuse

Surface Mount

32 V

1 A

Wraparound

2.8 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

Tape And Reel

0.061 in (1.55 mm)

0.033 in (0.85 mm)

e3

0.061 x 0.033 x 0.018 in (1.55 x 0.85 x 0.45 mm)

0.018 in (0.45 mm)

UL; UMF

125 °C (257 °F)

Very Fast

MFU0805FF02000P100

Vishay Intertechnology

Electric Fuse

Surface Mount

32 V

2 A

Wraparound

10.1 mJ

15 °C (59 °F)

Tin Over Nickel

50 A

0.0101

Tape And Reel

0.079 in (2 mm)

0.049 in (1.25 mm)

e3

32 V

67 mΩ

0805

0.079 x 0.049 x 0.018 in (2 x 1.25 x 0.45 mm)

0.018 in (0.45 mm)

UL; UMF

35 °C (95 °F)

Very Fast

SA85SB0

Bourns

Thermal Fuse

Surface Mount

28 V

Gull Wing

-30 °C (-22 °F)

Tape And Reel, 13 inch

0.213 in (5.4 mm)

0.126 in (3.2 mm)

2113

0.046 in (1.17 mm)

CUL; TUV; UL

100 °C (212 °F)

SCF4030-12-04

Eaton Corporation

Electric Fuse

Surface Mount

36 V

12 A

One Surface

-20 °C (-4 °F)

50 A

1 m

Tape And Reel, 13 inch

0.157 in (4 mm)

0.118 in (3 mm)

0.157 x 0.118 in (4 x 3 mm)

0.033 in (0.85 mm)

CUL; UL

60 °C (140 °F)

Fast

SF-0603FP020F-2

Bourns

Electric Fuse

Surface Mount

35 V

65 V

200 mA

Wraparound

1.42 mJ

-55 °C (-67 °F)

Tin Over Nickel

13 A

200 ms

Rated Breaking Capacity at 35 VDC: 50 A

Tape And Reel, 7 inch

0.063 in (1.6 mm)

0.032 in (0.81 mm)

e3

0603

0.063 x 0.032 x 0.012 in (1.6 x 0.81 x 0.3 mm)

0.012 in (0.3 mm)

UL

90 °C (194 °F)

Fast

SF-0603SP600M-2

Bourns

Electric Fuse

Surface Mount

32 V

6 A

Wraparound

4 J

-55 °C (-67 °F)

Tin Over Nickel

80 A

1 ms

Tape And Reel, 7 inch

0.063 in (1.6 mm)

0.031 in (0.8 mm)

e3

1 ms

0603

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

0.031 in (0.8 mm)

CUL; UL

125 °C (257 °F)

Time Lag

SF-1206F700-2

Bourns

Electric Fuse

Surface Mount

32 V

7 A

Wraparound

3.25 J

-20 °C (-4 °F)

Tin

50 A

1 m

Tape And Reel, 7 inch

0.122 in (3.1 mm)

0.061 in (1.55 mm)

e3

1206

0.122 x 0.061 x 0.024 in (3.1 x 1.55 x 0.6 mm)

0.024 in (0.6 mm)

UL

105 °C (221 °F)

Fast

SF-1206HV25M-2

Bourns

Electric Fuse

Surface Mount

35 V

Wraparound

120 J

-55 °C (-67 °F)

200 A

Tape And Reel, 7 inch

0.126 in (3.2 mm)

0.063 in (1.6 mm)

5 s

1206

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)

SF-1206SP600M-2

Bourns

Electric Fuse

Surface Mount

24 V

6 A

Wraparound

8.59 J

-55 °C (-67 °F)

Tin Over Nickel

60 A

2 ms

Tape And Reel, 7 inch

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e3

1 ms

1206

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

0.038 in (0.97 mm)

CUL; UL

125 °C (257 °F)

Time Lag

SF-2410FP0062T-2

Bourns

Electric Fuse

Surface Mount

125 V

125 V

62 mA

Wraparound

1.2 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

Tape And Reel, 7 inch

0.24 in (6.1 mm)

0.102 in (2.6 mm)

e4

2410

0.24 x 0.102 x 0.102 in (6.1 x 2.6 x 2.6 mm)

0.102 in (2.6 mm)

CUL; UL

125 °C (257 °F)

Fast

TR/3216TD10-R

Eaton Corporation

Electric Fuse

Surface Mount

32 V

32 V

10 A

Wraparound

54.4 J

-55 °C (-67 °F)

35 A

Rated Breaking Capacity at 32 VDC: 35 A, Joule Integral Nom at 32 VDC: 54.4

42.71

Tape And Reel

0.126 in (3.2 mm)

0.063 in (1.6 mm)

32 V

0.126 x 0.063 x 0.039 in (3.2 x 1.6 x 1 mm)

0.039 in (1 mm)

UL

125 °C (257 °F)

Time Delay

TR/3216TD2-R

Cooper Industries

Electric Fuse

Surface Mount

32 V

32 V

2 A

Wraparound

1.3 J

-55 °C (-67 °F)

35 A

3216TD

Rated Breaking Capacity at 32 VDC: 35 A, Joule Integral Nom at 32 VDC: 1.30

Tape And Reel

0.126 in (3.2 mm)

0.063 in (1.6 mm)

0.126 x 0.063 x 0.039 in (3.2 x 1.6 x 1 mm)

0.039 in (1 mm)

UL

125 °C (257 °F)

Time Delay

UMTS125

Bel Fuse

Electric Fuse

Surface Mount

350 V

125 mA

Wraparound

64 mJ

-55 °C (-67 °F)

Gold Over Nickel

100 A

Pre-Arcing Time: Open within 0.01 s, at 1000% Rated Current

Tape And Reel

0.476 in (12.1 mm)

0.175 in (4.45 mm)

e4

0.476 x 0.175 x 0.175 in (12.1 x 4.45 x 4.45 mm)

0.175 in (4.45 mm)

CE; IEC; UL; UMF

125 °C (257 °F)

Time Lag

UMTS1.25

Bel Fuse

Electric Fuse

Surface Mount

250 V

1.25 A

Wraparound

7 J

-55 °C (-67 °F)

Gold with Nickel barrier

150 A

0.476 in (12.1 mm)

0.175 in (4.45 mm)

e4

4818

0.476 x 0.175 x 0.175 in (12.1 x 4.45 x 4.45 mm)

0.175 in (4.45 mm)

UL

125 °C (257 °F)

Time Lag

0157005.DR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

5 A

Wraparound

5.566 J

-55 °C (-67 °F)

Matte Tin

50 A

5 s

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e3

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

0157005DR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

5 A

Wraparound

5.566 J

-55 °C (-67 °F)

Matte Tin

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e3

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

043702.5WR

Littelfuse

Electric Fuse

Surface Mount

45 V

63 V

2.5 A

Wraparound

441 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

1 s

0.441

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

35 V

1206

0.126 x 0.064 x 0.032 in (3.2 x 1.63 x 0.82 mm)

0.033 in (0.835 mm)

CSA; CUL; UL

150 °C (302 °F)

Fast

043702.5WRA

Littelfuse

Electric Fuse

Surface Mount

45 V

63 V

2.5 A

Wraparound

441 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

0438.250WRA

Littelfuse

Electric Fuse

Surface Mount

32 V

63 V

250 mA

Wraparound

1.7 mJ

-55 °C (-67 °F)

Matte Tin

50 A

5 s

Pre Arcing Time: Open within 5 s at 250% Rated Current

Tape And Reel

0.062 in (1.575 mm)

0.033 in (0.85 mm)

32 V

2.218 Ω

0603

0.02 in (0.508 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

0440005.WRA

Littelfuse

Electric Fuse

Surface Mount

32 V

63 V

5 A

Wraparound

4.761 J

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

5 s

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

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

0448.125MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

125 mA

Wraparound

1.3 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.0013

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; UL

125 °C (257 °F)

Very Fast

0448010.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

10 A

Wraparound

28 J

-55 °C (-67 °F)

Gold

35 A

5 s

Rated Breaking Capacity at 125 VDC: 50 A

28

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

04481.25MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.25 A

Wraparound

900 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.9

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

0449002.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2 A

Wraparound

6.76 J

-55 °C (-67 °F)

Gold

50 A

2 ms

6.76

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

70.8 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)

CUL; UL

125 °C (257 °F)

Slow

0451.080MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

80 mA

Wraparound

330 μJ

-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

04514.00MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

4 A

Wraparound

3.152 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

0451.400MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

400 mA

Wraparound

55.1 mJ

-55 °C (-67 °F)

Gold

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

0452.500NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

240 mJ

-55 °C (-67 °F)

Gold

50 A

2 ms

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)

Slow

0453004.MRL

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

0454001.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

1.98 J

-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

0454005.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

5 A

Wraparound

53.72 J

-55 °C (-67 °F)

Silver

50 A

2 ms

53.72

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)

Slow

0466.200NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

200 mA

Wraparound

550 μJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

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

Tape And Reel

0.125 in (3.175 mm)

0.06 in (1.524 mm)

e3

0.125 x 0.06 x 0.023 in (3.175 x 1.524 x 0.584 mm)

0.023 in (0.584 mm)

CSA; UL

90 °C (194 °F)

Very Fast

0466.200NRHF

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

200 mA

Wraparound

550 μJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

200 ms

0.0005

Tape And Reel

0.125 in (3.175 mm)

0.06 in (1.524 mm)

Supplemental

e3

125 V

1206

0.125 x 0.06 x 0.023 in (3.18 x 1.52 x 0.58 mm)

0.023 in (0.584 mm)

CE; CSA; TUV; UL

90 °C (194 °F)

Fast

046601.5NRHF

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.5 A

Wraparound

110.3 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

200 ms

0.064

Tape And Reel

0.125 in (3.175 mm)

0.06 in (1.524 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 (0.584 mm)

CE; CSA; TUV; UL

90 °C (194 °F)

Fast

0467.250NRHF

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

250 mA

Wraparound

1.4 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

200 ms

0.003

Tape And Reel

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 0.81 x 0.31 mm)

0.013 in (0.33 mm)

CSA; CUL; TUV; UL

90 °C (194 °F)

Fast

0467005.NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

5 A

Wraparound

900 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

35 A

4 h

Rated Breaking Capacity at 32 VDC: 35 A

0.9

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 0.813 x 0.305 mm)

0.012 in (0.305 mm)

CSA; UL

90 °C (194 °F)

Very Fast

046703.5NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

3.5 A

Wraparound

430.6 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

35 A

4 h

Rated Breaking Capacity at 32 VDC: 35 A

0.43

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 0.813 x 0.305 mm)

0.012 in (0.305 mm)

CSA; UL

90 °C (194 °F)

Very Fast

0476005.MR

Littelfuse

Electric Fuse

Surface Mount

250 V

125 V

5 A

Wraparound

4 J

-55 °C (-67 °F)

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)

Nano

0.106 in (2.69 mm)

CUL; PSE; UL

125 °C (257 °F)

Fast

0678H1250-02

Bel Fuse

Electric Fuse

Surface Mount

250 V

125 V

1.25 A

Wraparound

400 mJ

-55 °C (-67 °F)

300 A

1 m

Rated Breaking Capacity at 125 VDC: 2000 A

Tape And Reel, 13 inch

0.386 in (9.8 mm)

0.12 in (3.05 mm)

250 V

3912

0.12 in (3.05 mm)

AEC-Q200; CUL; CE; UL

125 °C (257 °F)

0678H2000-02

Bel Fuse

Electric Fuse

Surface Mount

250 V

125 V

2 A

Wraparound

1 J

-55 °C (-67 °F)

Silver

300 A

1 m

Rated Breaking Capacity at 125 VDC: 2000 A

Tape And Reel, 13 inch

0.386 in (9.8 mm)

0.12 in (3.05 mm)

e4

250 V

3912

0.12 in (3.05 mm)

AEC-Q200; CUL; CE; UL

125 °C (257 °F)

0678H2000-22

Bel Fuse

Electric Fuse

Surface Mount

250 V

125 V

2 A

Wraparound

1 J

-55 °C (-67 °F)

Palladium

300 A

1 m

Rated Breaking Capacity at 125 VDC: 2000 A

Tape And Reel, 13 inch

0.386 in (9.8 mm)

0.12 in (3.05 mm)

e4

250 V

3912

0.12 in (3.05 mm)

AEC-Q200; CUL; CE; UL

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.