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

70C

Littelfuse

Electric Fuse

Inline/Holder

125 V

300 V

3 A

End Cap

1 kA

70

Rated Breaking Capacity at 300 VDC: 1000 A

Alarm

UL

LA120X3-1

Littelfuse

Electric Fuse

Inline/Holder

1.2 KV

1 KV

3 A

End Cap

69 J

100 kA

Rated Breaking Capacity at 1000 VDC: 100000 A

0.811 in (20.6 mm)

1.2 KV

0.811 x 4.606 in (20.6 x 117 mm)

4.606 in (117 mm)

Very Fast

0472003.MXT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

9.36 J

-55 °C (-67 °F)

Tin

50 A

Bulk

0.11 in (2.8 mm)

e3

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

UL

125 °C (257 °F)

Time Lag

SPF003

Littelfuse

Electric Fuse

Inline/Holder

1 KV

3 A

End Cap

20 kA

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

UL

0233003XE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

27 J

233

0.207 in (5.25 mm)

0.207 x 0.886 in (5.25 x 22.5 mm)

0.886 in (22.5 mm)

CSA; MITI; UL

Medium

NLS003

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

3 A

End Cap

50 kA

Rated Breaking Capacity at 600 VDC; 20000

0.811 in (20.6 mm)

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

0277003V

Littelfuse

Electric Fuse

125 V

125 V

3 A

277

0467003.

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

3 A

Wraparound

240.3 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

0230003.DAT1OP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

3 A

Pin Wire

77 J

-55 °C (-67 °F)

Matte Tin

100 A

Rated Breaking Capacity at 125 VDC: 10000 A

Tape And Reel

0.185 in (4.7 mm)

e3

0.185 x 0.57 in (4.7 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

0433003

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

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e0

32 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

FLA3

Littelfuse

Electric Fuse

Inline/Holder

125 V

3 A

End Cap

10 kA

0.406 in (10.31 mm)

Indicator

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

UL

Slow

0491003.NRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

-55 °C (-67 °F)

Pure Tin

50 A

300 ms

Pre-Arcing Time: Open within 0.3 s at 300% Rated Current

Tape And Reel

0.11 in (2.8 mm)

125 V

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

0459003.UR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

J Bend

1.23 J

-55 °C (-67 °F)

Tin

50 A

100 ms

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

1.23

Tape And Reel

0.285 in (7.24 mm)

0.17 in (4.32 mm)

e3

125 V

Pico

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; PSE; UL

125 °C (257 °F)

Very Fast

0297003LXN

Littelfuse

Electric Fuse

Inline/Holder

32 V

3 A

Tab/Blade

9.4 J

-40 °C (-40 °F)

0297

Rated Breaking Capacity at 32 VDC: 1000 A

0.429 in (10.9 mm)

0.15 in (3.8 mm)

0.429 x 0.15 x 0.346 in (10.9 x 3.8 x 8.8 mm)

0.346 in (8.8 mm)

125 °C (257 °F)

0253003T

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

1.19 J

-55 °C (-67 °F)

Tin

50 A

253

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.095 in (2.41 mm)

e3

0.095 x 0.28 in (2.41 x 7.11 mm)

0.28 in (7.11 mm)

CSA; METI; PSE; QPL; UL

125 °C (257 °F)

Very Fast

0287003

Littelfuse

Electric Fuse

Inline/Holder

32 V

3 A

Tab/Blade

7.4 J

-40 °C (-40 °F)

1 kA

0.75 in (19.05 mm)

0.2 in (5.08 mm)

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

0.48 in (12.19 mm)

105 °C (221 °F)

F09A250V3A

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

35 A

0.415 in (10.54 mm)

0.415 x 1.531 in (10.54 x 38.89 mm)

1.531 in (38.89 mm)

MIL-PRF-15160/9

0208003.MXP

Littelfuse

Electric Fuse

Inline/Holder

350 V

3 A

End Cap

4.62 J

-55 °C (-67 °F)

Tin

100 A

Bulk

0.185 in (4.7 mm)

e3

0.185 x 0.57 in (4.7 x 14.48 mm)

0.57 in (14.48 mm)

CE; PSE; UL

125 °C (257 °F)

Fast

0312003.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

14 J

-55 °C (-67 °F)

Nickel

100 A

5 s

14

Tape And Reel

0.25 in (6.35 mm)

250 V

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Fast

AGC3

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

3 A

End Cap

0.25 in (6.35 mm)

32 V

3AG

1.25 in (31.75 mm)

3E-8PT-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

3 A

End Cap

37.5 kA

1.563 in (39.69 mm)

1.563 x 9.5 in (39.69 x 241.3 mm)

9.5 in (241.3 mm)

Medium

0452003.NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

Wraparound

20.16 J

-55 °C (-67 °F)

Gold

50 A

2 ms

20.16

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

R452003.

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

End Cap

20.16 J

-55 °C (-67 °F)

Tin Lead

50 A

452

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)

CSA; UL

125 °C (257 °F)

Slow

0312003HX

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

14 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; KTL; PSE; UL

125 °C (257 °F)

Fast

224003P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

4.62 J

Matte Tin

100 A

Bulk; Tape And Reel

0.185 in (4.7 mm)

e3

0.185 x 0.57 in (4.7 x 14.48 mm)

0.57 in (14.48 mm)

CSA; METI; UL

Fast

0239003.HXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

129.51 J

-55 °C (-67 °F)

Tin

100 A

4 h

129.5

Bulk

0.228 in (5.8 mm)

Supplemental

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Time Lag

0433003.

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

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e0

32 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

AGW3BP

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

3 A

End Cap

0.25 in (6.35 mm)

32 V

7AG

0.875 in (22.225 mm)

277003

Littelfuse

Electric Fuse

125 V

125 V

3 A

277

0251003.PRL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

1.19 J

-55 °C (-67 °F)

Tin

50 A

4 ms

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.11 in (2.8 mm)

e3

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

IDSR003

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

3 A

End Cap

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

0.752 x 5 in (19.1 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

0230003.MXOP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

3 A

Pin Wire

77 J

-55 °C (-67 °F)

Matte Tin

100 A

Rated Breaking Capacity at 125 VDC: 10000 A

Bulk

0.185 in (4.7 mm)

e3

0.185 x 0.57 in (4.7 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

267003

Littelfuse

Electric Fuse

125 V

125 V

3 A

267

0232003.PX125

Littelfuse

Electric Fuse

Through Hole Mount

125 V

3 A

Pin Wire

17.187 J

-55 °C (-67 °F)

Tin

10 kA

Bulk; Tape And Reel

0.228 in (5.8 mm)

e3

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

CE; PSE

125 °C (257 °F)

Medium

JLLN003

Littelfuse

Electric Fuse

Inline/Holder

300 V

160 V

3 A

End Cap

200 kA

Rated Breaking Capacity at 160 VDC: 50000 A

0.406 in (10.3 mm)

0.406 x 0.874 in (10.3 x 22.2 mm)

0.874 in (22.2 mm)

CE; CSA; CUL; UL

Fast

0318003.VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

14 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; KTL; PSE; UL

125 °C (257 °F)

Fast

TLS-LS003

Littelfuse

Electric Fuse

Inline/Holder

170 V

3 A

End Cap

Silver

Rated Breaking Capacity at 170 VDC: 100000

0.562 in (14.27 mm)

e4

0.562 x 0.944 in (14.27 x 23.98 mm)

0.944 in (23.98 mm)

UL

0314003.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

3 A

End Cap

14.6 J

-55 °C (-67 °F)

Nickel

100 A

15 s

Rated Breaking Capacity at 125 VDC: 10000 A, Pre Arcing Time: Open within 15 s at 200% Rated Current

14.6

Bulk

0.25 in (6.35 mm)

250 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Fast

0233003.MXBP

Littelfuse

Electric Fuse

Inline/Holder

125 V

3 A

End Cap

26.24 J

-55 °C (-67 °F)

Matte Tin

10 kA

Bulk

0.205 in (5.2 mm)

e3

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Medium

0263003.MAT1HF

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

1.77 J

-55 °C (-67 °F)

Pure Tin

50 A

0263

Ammo Pack

0.155 in (3.94 mm)

0.155 x 0.28 in (3.94 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

263003WRT1

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

1.77 J

-55 °C (-67 °F)

50 A

4 h

1.7

Tape And Reel

0.155 in (3.94 mm)

250 V

27.4 mΩ

Pico

0.28 in (7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

3E-8PT-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

3 A

End Cap

50 kA

1.563 in (39.69 mm)

1.563 x 9.5 in (39.69 x 241.3 mm)

9.5 in (241.3 mm)

Medium

0NLN003.T

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

3 A

End Cap

50 kA

Interrupting Current Max(DC): 20000 A

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CE; CSA; UL

0251003.PAL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

1.19 J

-55 °C (-67 °F)

Tin

50 A

4 ms

Pre-Arcing Time: Open within 4 ms at 1000% Rated Current

Ammo Pack

0.11 in (2.8 mm)

e3

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

0253003.VRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

1.19 J

-55 °C (-67 °F)

Pure Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.11 in (2.8 mm)

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; TUV; UL

125 °C (257 °F)

Very Fast

BLN3

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

10 kA

0.406 in (10.31 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Fast

3253MMXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

3 A

Pin Wire

200 J

-55 °C (-67 °F)

Matte Tin

100 A

Rated Breaking Capacity at 125 VDC: 10000 A

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; KTL; PSE; UL

125 °C (257 °F)

Time Lag

0315003.HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

200 J

-55 °C (-67 °F)

Matte Tin

100 A

Bulk

0.275 in (6.985 mm)

e3

0.275 x 1.275 in (6.985 x 32.385 mm)

1.275 in (32.385 mm)

CE; CSA; KTL; 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.