3 A Fuses 1,178

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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

BLS3

Littelfuse

Electric Fuse

Inline/Holder

600 V

3 A

End Cap

10 kA

0.406 in (10.31 mm)

0.406 x 1.375 in (10.31 x 34.93 mm)

1.375 in (34.93 mm)

CSA; UL

Fast

203003

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

4.4 J

-55 °C (-67 °F)

Tin/Lead

50 A

0.372 in (9.45 mm)

0.25 in (6.35 mm)

e0

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

0257003PXPV

Littelfuse

Electric Fuse

Inline/Holder

32 V

3 A

Tab/Blade

7.4 J

-40 °C (-40 °F)

Tin

1 kA

0257

Rated Breaking Capacity at 32 VDC: 1000 A

Bulk

0.75 in (19.05 mm)

0.2 in (5.08 mm)

e3

0.75 x 0.2 x 0.48 in (19.05 x 5.08 x 12.19 mm)

0.48 in (12.19 mm)

UL

105 °C (221 °F)

0313003.MXBP

Littelfuse

Electric Fuse

3 A

End Cap

-55 °C (-67 °F)

Tin

100 A

4 h

200

0.25 in (6.35 mm)

Supplemental

e3

250 V

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)

Time Lag

0229003.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

3 A

End Cap

77 J

-55 °C (-67 °F)

Nickel

100 A

3 s

Rated Breaking Capacity at 125 VDC: 10000 A

Bulk

0.189 in (4.8 mm)

2AG

0.177 x 0.57 in (4.5 x 14.48 mm)

0.587 in (14.9 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

0435003.KRHFS

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

3 A

Wraparound

203 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

TOO003

Littelfuse

Electric Fuse

Inline/Holder

125 V

3 A

End Cap

10 kA

UL

Time Delay

0253003.PXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

1.19 J

-55 °C (-67 °F)

Tin

50 A

0253

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

0.103 in (2.61 mm)

e3

0.103 x 0.28 in (2.61 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

ATO3

Littelfuse

Electric Fuse

Inline/Holder

32 V

3 A

Tab/Blade

7.4 J

-40 °C (-40 °F)

1 kA

100 ms

Box

0.752 in (19.1 mm)

0.201 in (5.1 mm)

0.484 in (12.3 mm)

CSA; UL

125 °C (257 °F)

KLDR003HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3 A

End Cap

23.21 J

200 kA

12 s

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

SPXI003.TXB

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

3 A

End Cap

14 J

30 kA

4 m

Bulk

0.406 in (10.31 mm)

3.362 in (85.4 mm)

TUV; UL

SPXI003.L

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

3 A

End Cap

14 J

30 kA

4 m

Bulk

0.406 in (10.31 mm)

3.205 in (81.41 mm)

CUL; TUV; UL

SPXI003.T

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

3 A

End Cap

14 J

30 kA

4 m

Bulk

0.406 in (10.31 mm)

3.205 in (81.41 mm)

CUL; TUV; UL

KLKD003

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

3 A

End Cap

-55 °C (-67 °F)

100 kA

4 m

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL; VDE

125 °C (257 °F)

Fast

SPXI003.LXB

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

3 A

End Cap

14 J

30 kA

4 m

Bulk

0.406 in (10.31 mm)

3.362 in (85.4 mm)

TUV; UL

0SPF003.H

Littelfuse

Electric Fuse

Inline/Holder

1 KV

3 A

End Cap

7.9 J

20 kA

4 m

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; TUV; UL

Fast

0FLM003T

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

3 A

End Cap

10 kA

5 s

Pre Arcing Time: Open within 5 s at 200% Rated Current

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; QPL; UL

Time Delay

0JLS003.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

3 A

End Cap

200 kA

Bulk

0.811 in (20.6 mm)

2.252 in (57.2 mm)

CE; CSA; QPL; UL

Fast

0BLF003.T

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

10 kA

2 m

Bulk

0.406 in (10.31 mm)

5AG

1.5 in (38.1 mm)

CE; CSA; UL

Fast

0262003.0V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.235 in (5.97 mm)

Micro

0.29 in (7.37 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0268003.0V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.235 in (5.97 mm)

Micro

0.29 in (7.37 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0422003.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

Wraparound

2.09 J

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

5 s

Rated Breaking Capacity at 125 VDC: 100 A

Tape And Reel

0.246 in (6.25 mm)

0.098 in (2.5 mm)

e3

2410

0.088 in (2.24 mm)

CUL; TUV; UL

125 °C (257 °F)

Fast

0278003.0V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

759 mJ

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.235 in (5.97 mm)

Micro

0.287 in (7.3 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

0FLA003.T

Littelfuse

Electric Fuse

Inline/Holder

125 V

3 A

End Cap

10 kA

5 s

Bulk

0.406 in (10.31 mm)

5AG

Indicator

1.5 in (38.1 mm)

UL

Time Delay

0266003.VXT

Littelfuse

Electric Fuse

Through Hole Mount

125 V

3 A

Pin Wire

-55 °C (-67 °F)

50 A

1 s

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

0.093 in (2.36 mm)

Pico

0.28 in (7.11 mm)

CSA; QPL

125 °C (257 °F)

Very Fast

0279003.0V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

759 mJ

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.25 in (6.35 mm)

Micro

0.35 in (8.89 mm)

CSA; QPL; UL

85 °C (185 °F)

Very Fast

0422003.MRA

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

Wraparound

2.09 J

-55 °C (-67 °F)

50 A

5 s

Rated Breaking Capacity at 125 VDC: 100 A

Tape And Reel

0.246 in (6.25 mm)

0.098 in (2.5 mm)

0.088 in (2.24 mm)

AEC-Q200; CUL; PSE; TUV; UL

125 °C (257 °F)

Fast

FLNR003.T

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

3 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

Bulk

0.563 in (14.3 mm)

2 in (50.8 mm)

CSA; UL

Time Delay

0265003.VXT

Littelfuse

Electric Fuse

Through Hole Mount

125 V

3 A

Pin Wire

-55 °C (-67 °F)

50 A

1 s

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

0.093 in (2.36 mm)

Pico

0.28 in (7.11 mm)

CSA; QPL

125 °C (257 °F)

Very Fast

FLSR003.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

Indicator

5 in (127 mm)

CSA; UL

Time Delay

0BLS003.M

Littelfuse

Electric Fuse

Inline/Holder

600 V

3 A

End Cap

10 kA

2 m

Bulk

0.406 in (10.31 mm)

0.394 x 1.378 in (10 x 35 mm)

1.375 in (34.925 mm)

CSA; UL

Fast

0274003.0V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

759 mJ

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.25 in (6.35 mm)

Micro

0.35 in (8.89 mm)

CSA; QPL; UL

Very Fast

0273003.0V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

759 mJ

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.25 in (6.35 mm)

Micro

0.35 in (8.89 mm)

CSA; QPL; UL

85 °C (185 °F)

Very Fast

0327003.YX2T

Littelfuse

Electric Fuse

Inline/Holder

32 V

3 A

Tab/Blade

9 J

-40 °C (-40 °F)

1 kA

20 ms

Bulk

0.358 in (9.1 mm)

0.15 in (3.8 mm)

Micro

0.602 in (15.3 mm)

125 °C (257 °F)

0BLS003.H

Littelfuse

Electric Fuse

Inline/Holder

600 V

3 A

End Cap

10 kA

2 m

Bulk

0.406 in (10.31 mm)

0.394 x 1.378 in (10 x 35 mm)

1.375 in (34.925 mm)

CSA; UL

Fast

FLA003

Littelfuse

Electric Fuse

Inline/Holder

125 V

3 A

End Cap

10 kA

5 s

Bulk

0.406 in (10.31 mm)

5AG

Indicator

1.5 in (38.1 mm)

UL

Time Delay

0273003.0H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

759 mJ

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.25 in (6.35 mm)

Micro

0.35 in (8.89 mm)

CSA; QPL; UL

85 °C (185 °F)

Very Fast

0272003.0V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

759 mJ

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.235 in (5.97 mm)

Micro

0.287 in (7.3 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

HVR250P120C-R1F

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

-40 °C (-40 °F)

800 ms

Ammo Pack; Tape

0.268 in (6.8 mm)

0.201 in (5.1 mm)

0.492 in (12.5 mm)

CSA; CUL; TUV; UL

85 °C (185 °F)

0MIN003.ZXPRO

Littelfuse

Electric Fuse

Inline/Holder

32 V

3 A

Tab/Blade

9.4 J

-40 °C (-40 °F)

1 kA

30 ms

Bulk

0.429 in (10.9 mm)

0.15 in (3.8 mm)

0.346 in (8.8 mm)

UL

125 °C (257 °F)

0MIN003.VP

Littelfuse

Electric Fuse

Inline/Holder

32 V

3 A

Tab/Blade

9.4 J

-40 °C (-40 °F)

1 kA

30 ms

Bulk

0.429 in (10.9 mm)

0.15 in (3.8 mm)

0.346 in (8.8 mm)

UL

125 °C (257 °F)

HVR250P145UF

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

-40 °C (-40 °F)

2 s

Ammo Pack; Tape

0.236 in (6 mm)

0.201 in (5.1 mm)

0.492 in (12.5 mm)

CSA; CUL; TUV; UL

85 °C (185 °F)

HVR250P120C-R3F

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

-40 °C (-40 °F)

1 s

Ammo Pack; Tape

0.268 in (6.8 mm)

0.201 in (5.1 mm)

0.492 in (12.5 mm)

CSA; CUL; TUV; UL

85 °C (185 °F)

HVR250P080UF

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

-40 °C (-40 °F)

3 s

Ammo Pack; Tape

0.197 in (5 mm)

0.201 in (5.1 mm)

0.354 in (9 mm)

CSA; CUL; TUV; UL

85 °C (185 °F)

HVR250P120C-R3A

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

-40 °C (-40 °F)

1 s

Bulk

0.268 in (6.8 mm)

0.201 in (5.1 mm)

0.492 in (12.5 mm)

CSA; CUL; TUV; UL

85 °C (185 °F)

HVR250P120CTF

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

-40 °C (-40 °F)

700 ms

Ammo Pack; Tape

0.268 in (6.8 mm)

0.201 in (5.1 mm)

0.492 in (12.5 mm)

CSA; CUL; TUV; UL

85 °C (185 °F)

HVR250P180CA

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

-40 °C (-40 °F)

21 s

Bulk

0.049 in (1.25 mm)

0.201 in (5.1 mm)

0.508 in (12.9 mm)

CSA; CUL; TUV; UL

85 °C (185 °F)

HVR250P110UF

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

-40 °C (-40 °F)

750 ms

Ammo Pack; Tape

0.209 in (5.3 mm)

0.201 in (5.1 mm)

0.37 in (9.4 mm)

CSA; CUL; TUV; UL

85 °C (185 °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.