1.75 A Fuses 52

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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

04371.75WR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.75 A

Wraparound

75 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

1 s

0.075

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

63 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

04661.75NR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.75 A

End Cap

132.3 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

4 h

Rated Breaking Capacity at 63 VDC: 50 A

0.13

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

Supplemental

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

04671.75NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

1.75 A

Wraparound

90.3 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

35 A

4 h

Rated Breaking Capacity at 32 VDC: 35 A

0.09

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

04401.75WRA

Littelfuse

Electric Fuse

Surface Mount

32 V

63 V

1.75 A

Wraparound

331.2 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

04351.75KRHFS

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

1.75 A

Wraparound

75 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

1206SFF175F/63-2

Littelfuse

Electric Fuse

Surface Mount

63 V

1.75 A

Wraparound

50 A

1206SFF175F/63-2

UL

125 °C (257 °F)

Fast

03181.75HX

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.75 A

Pin Wire

3.6 J

-55 °C (-67 °F)

Tin

100 A

318

Bulk

0.275 in (6.99 mm)

e3

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Fast

315.175P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.75 A

Pin Wire

177 mJ

Matte Tin

35 A

0.275 in (6.99 mm)

e3

0.275 x 1.275 in (6.99 x 32.39 mm)

1.275 in (32.39 mm)

CE; CSA; METI; PSE; UL

Slow

1206SFF175F/63

Littelfuse

Electric Fuse

Surface Mount

63 V

1.75 A

Wraparound

-55 °C (-67 °F)

Tin with Nickel barrier

50 A

4 h

Rated Breaking Capacity at 63 VDC: 50 A

0.045

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e3

63 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

04331.75NR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.75 A

Wraparound

150 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

04351.75KR

Littelfuse

Electric Fuse

Surface Mount

32 V

1.75 A

Wraparound

75 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

3181.75P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.75 A

Pin Wire

3.6 J

Matte Tin

35 A

318

0.276 in (7 mm)

e3

0.276 x 1.288 in (7 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; UL

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

03121.75VX

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.75 A

End Cap

3.6 J

-55 °C (-67 °F)

Tin

100 A

312

Bulk

0.25 in (6.35 mm)

e3

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Fast

03181.75VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.75 A

Pin Wire

3.6 J

-55 °C (-67 °F)

Matte Tin

100 A

318

Bulk

0.275 in (6.99 mm)

e3

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Fast

313.175P

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.75 A

End Cap

177 mJ

Tin

35 A

0.25 in (6.35 mm)

e3

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; METI; PSE; UL

Slow

04351.75KRHF

Littelfuse

Electric Fuse

Surface Mount

32 V

1.75 A

Wraparound

75 mJ

-55 °C (-67 °F)

Matte Tin with Nickel barrier

35 A

4 h

Rated Breaking Capacity at 32 VDC: 35 A, Joule Integral Nom at 32 VDC: 0.0750

0.075

Tape And Reel

0.041 in (1.04 mm)

0.022 in (0.56 mm)

e3

32 V

Nano

0.041 x 0.022 x 0.015 in (1.04 x 0.56 x 0.38 mm)

0.015 in (0.38 mm)

CSA; UL

90 °C (194 °F)

Very Fast

04671.75NRHF

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

1.75 A

Wraparound

90.3 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

35 A

200 ms

0.09

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

03121.75HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.75 A

End Cap

3.6 J

-55 °C (-67 °F)

Tin

100 A

5 s

Bulk

0.25 in (6.35 mm)

e3

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Fast

4291.75

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.75 A

Wraparound

150 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

50 A

429

Rated Breaking Capacity at 63 VDC: 50 A

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

03121.75P

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.75 A

End Cap

3.6 J

-55 °C (-67 °F)

Tin

100 A

312

0.25 in (6.35 mm)

e3

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Fast

4291.75WR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.75 A

Wraparound

150 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

3181.75

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1.75 A

Pin Wire

3.6 J

Tin Lead

35 A

0.276 in (7 mm)

e0

0.276 x 1.275 in (7 x 32.39 mm)

1.275 in (32.39 mm)

CSA; UL

Fast

03181.75MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.75 A

Pin Wire

3.6 J

-55 °C (-67 °F)

Tin

100 A

5 s

Bulk

0.275 in (6.99 mm)

e3

3AG

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Fast

04671.75

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

1.75 A

Wraparound

90.3 mJ

-55 °C (-67 °F)

Tin/Nickel

35 A

Rated Breaking Capacity at 32 VDC: 35 A

0.063 in (1.6 mm)

0.032 in (0.813 mm)

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

04341.75NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

1.75 A

Wraparound

66.1 mJ

-55 °C (-67 °F)

Tin

35 A

434

Rated Breaking Capacity at 32 VDC: 35 A

Tape And Reel

0.063 in (1.6 mm)

0.032 in (0.81 mm)

e3

0.063 x 0.032 x 0.012 in (1.6 x 0.81 x 0.31 mm)

0.012 in (0.31 mm)

CSA; UL

90 °C (194 °F)

Very Fast

04401.75WR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

1.75 A

Wraparound

331.2 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

4 h

0.3355

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)

Fast

0603SFV175F/32-2

Littelfuse

Electric Fuse

Surface Mount

32 V

1.75 A

Wraparound

140 mJ

-55 °C (-67 °F)

35 A

4 h

0.14

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

03181.75MX

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.75 A

Pin Wire

3.6 J

-55 °C (-67 °F)

Tin

100 A

318

Bulk

0.275 in (6.99 mm)

e3

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Fast

04341.75

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

1.75 A

Wraparound

66.1 mJ

-55 °C (-67 °F)

Tin/Lead with Nickel barrier

35 A

Rated Breaking Capacity at 32 VDC: 35 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

0603SFV175F/32

Littelfuse

Electric Fuse

Surface Mount

32 V

1.75 A

Wraparound

35 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

03181.75P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.75 A

Pin Wire

3.6 J

-55 °C (-67 °F)

Matte Tin

100 A

318

0.275 in (6.99 mm)

e3

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Fast

1206SFF175FM/63

Littelfuse

Electric Fuse

Surface Mount

63 V

1.75 A

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)

RF1563-000

Littelfuse

Electric Fuse

Surface Mount

32 V

1.75 A

Wraparound

140 mJ

35 A

UL

125 °C (257 °F)

Very Fast

3121.75P

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.75 A

End Cap

3.6 J

Nickel

35 A

0.25 in (6.35 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; UL

Fast

04371.75WRA

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.75 A

Wraparound

75 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

1 s

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

1206

0.033 in (0.835 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

03181.75VX

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.75 A

Pin Wire

3.6 J

-55 °C (-67 °F)

Tin

100 A

318

Bulk

0.275 in (6.99 mm)

e3

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Fast

04351.75

Littelfuse

Electric Fuse

Surface Mount

24 V

1.75 A

Wraparound

75 mJ

-55 °C (-67 °F)

Tin/Nickel

35 A

Rated Breaking Capacity at 24 VDC: 35 A

0.041 in (1.04 mm)

0.02 in (0.51 mm)

0.041 x 0.02 x 0.012 in (1.04 x 0.51 x 0.3 mm)

0.012 in (0.3 mm)

CSA; UL

90 °C (194 °F)

Very Fast

04661.75NRHF

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.75 A

Wraparound

183.5 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

200 ms

0.13

Tape And Reel

0.125 in (3.175 mm)

0.06 in (1.524 mm)

Supplemental

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

0603TSFV175FM/35-2

Littelfuse

Electric Fuse

1.75 A

-55 °C (-67 °F)

Tin/Nickel

35 A

4 h

0.1

0.067 in (1.7 mm)

0.036 in (0.91 mm)

e2

35 V

0603

0.067 x 0.036 x 0.016 in (1.7 x 0.91 x 0.4 mm)

0.016 in (0.4 mm)

90 °C (194 °F)

Fast

04381.75WRA

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

1.75 A

Wraparound

144 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

140.5 mΩ

0603

0.02 in (0.508 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

03181.75HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.75 A

Pin Wire

3.6 J

-55 °C (-67 °F)

Tin

100 A

5 s

Tape And Reel

0.275 in (6.99 mm)

e3

3AG

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Fast

03121.75VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.75 A

End Cap

3.6 J

-55 °C (-67 °F)

Tin

100 A

312

Bulk

0.25 in (6.35 mm)

e3

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Fast

03121.75MX

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.75 A

End Cap

3.6 J

-55 °C (-67 °F)

Tin

100 A

312

Bulk

0.25 in (6.35 mm)

e3

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Fast

04331.75

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.75 A

Wraparound

150 mJ

-55 °C (-67 °F)

Tin/Lead with Nickel barrier

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

03121.75MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.75 A

End Cap

3.6 J

-55 °C (-67 °F)

Tin

100 A

5 s

Tape And Reel

0.25 in (6.35 mm)

e3

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Fast

3121.75

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1.75 A

End Cap

3.6 J

35 A

0.25 in (6.35 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

Fast

04661.75

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.75 A

Wraparound

132.3 mJ

-55 °C (-67 °F)

Matte Tin

50 A

Rated Breaking Capacity at 63 VDC: 50 A

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e3

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

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.