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

0251003.NXT1L

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

Bulk

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

0312003VX

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

3431300000

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

240 J

-25 °C (-13 °F)

200 A

Bulk

0.248 in (6.3 mm)

5 s

0.248 x 1.26 in (6.3 x 32 mm)

1.26 in (32 mm)

CSA; UL

70 °C (158 °F)

Time Delay

265003V

Littelfuse

Electric Fuse

3 A

Pin Wire

-55 °C (-67 °F)

Gold

300 A

4 h

0.28 in (7.11 mm)

Supplemental

e4

125 V

35.15 mΩ

Pico

0.28 in (7.11 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

0322003.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

3 A

End Cap

2.76 J

-55 °C (-67 °F)

100 A

1 s

Bulk

0.25 in (6.35 mm)

3AB

1.25 in (31.75 mm)

CE; CUL; PSE; UL

125 °C (257 °F)

Very Fast

0253003

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

0.095 in (2.41 mm)

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

229003PMXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

77 J

-55 °C (-67 °F)

Tin

100 A

Bulk

0.177 in (4.5 mm)

e3

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; METI; PSE; UL

125 °C (257 °F)

Slow

0251003.VXT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

1.19 J

-55 °C (-67 °F)

Matte Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 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)

CSA; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

3E-8PT-8.25

Littelfuse

Electric Fuse

Inline/Holder

8.25 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

0253003T1

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

0253

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; METI; PSE; QPL; UL

125 °C (257 °F)

Very Fast

0262003.V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

-55 °C (-67 °F)

Gold

10 kA

4 h

Bulk

0.235 in (5.97 mm)

e4

125 V

Micro

0.235 x 0.29 in (5.97 x 7.37 mm)

0.29 in (7.37 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

0481003.VXLP

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

3 A

End Cap

25 J

-55 °C (-67 °F)

Tin

300 A

5 m

0.839 in (21.3 mm)

0.228 in (5.8 mm)

e3

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

0257003.U

Littelfuse

Electric Fuse

Inline/Holder

32 V

3 A

Tab/Blade

7.4 J

-40 °C (-40 °F)

Silver

1 kA

100 ms

Bulk

0.752 in (19.1 mm)

0.201 in (5.1 mm)

e4

0.74 in (18.8 mm)

UL

105 °C (221 °F)

0239003

Littelfuse

Electric Fuse

3 A

Pin Wire

-55 °C (-67 °F)

100 A

4 h

129.5

0.787 in (20 mm)

Supplemental

250 V

48 mΩ

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CSA; PSE; UL

125 °C (257 °F)

Long Time Lag

0BLN003.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

217003.

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

17.041 J

-55 °C (-67 °F)

Nickel

35 A

217

Bulk; Tape And Reel

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; IEC; KTL; PSE; SEMKO; UL; VDE

125 °C (257 °F)

Fast

MIN3BP

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)

TLS-V003

Littelfuse

Electric Fuse

Inline/Holder

170 V

3 A

Tab/Blade

Silver

Rated Breaking Capacity at 170 VDC: 100000

0.563 in (14.3 mm)

e4

0.563 x 1.26 in (14.3 x 32.004 mm)

1.26 in (32.004 mm)

UL

0481003

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

3 A

End Cap

Tin/Lead

300 A

481

Rated Breaking Capacity at 125 VDC: 200 A

e0

Alarm

CSA; UL

0257003.PXPV

Littelfuse

Electric Fuse

Inline/Holder

32 V

3 A

Tab/Blade

7.4 J

-40 °C (-40 °F)

Tin/Copper

1 kA

4 d 4 h

7.4

Bulk

0.75 in (19.05 mm)

0.2 in (5.08 mm)

ATO

e2

32 V

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)

Fast

0253003.HRT1L

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

0318003MX

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

14 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; KTL; PSE; UL

125 °C (257 °F)

Fast

07945810200

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

3 A

End Cap

7.821 J

-55 °C (-67 °F)

100 kA

211 µs

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

449 µs

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA, IEC, UL, VDE

125 °C (257 °F)

Fast

1206SFP300F/32-2

Littelfuse

Electric Fuse

Surface Mount

32 V

3 A

Wraparound

1.35 J

-55 °C (-67 °F)

50 A

0.134 in (3.4 mm)

0.071 in (1.8 mm)

32 V

1206

0.134 x 0.071 x 0.046 in (3.4 x 1.8 x 1.17 mm)

0.046 in (1.17 mm)

UL

125 °C (257 °F)

160003.MR

Littelfuse

Electric Fuse

Surface Mount

250 V

3 A

Wraparound

59.29 J

-55 °C (-67 °F)

Silver

50 A

4 h

59.29

Tape And Reel

0.398 in (10.1 mm)

0.123 in (3.12 mm)

e4

250 V

Nano

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

0.123 in (3.12 mm)

UL

125 °C (257 °F)

0251003.MA

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

1.19 J

-55 °C (-67 °F)

Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 4 ms at 1000% Rated Current

Ammo Pack

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)

CCC; CSA; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0438003.WR

Littelfuse

Electric Fuse

Surface Mount

12 V

32 V

3 A

Wraparound

292.2 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

4 h

0.29

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

32 V

25.2 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

0209003.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

350 V

3 A

Pin Wire

77 J

-55 °C (-67 °F)

Tin

100 A

3 s

77

Bulk

0.189 in (4.8 mm)

e3

350 V

2AG

0.185 x 0.57 in (4.7 x 14.48 mm)

0.587 in (14.9 mm)

CE; CUL; PSE; UL

125 °C (257 °F)

Time Lag

0253003.MX

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

1.19 J

-55 °C (-67 °F)

50 A

4 ms

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

Bulk

0.103 in (2.61 mm)

125 V

Pico

0.28 in (7.11 mm)

CCC; CSA; CUL; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0235003.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Wire

8.395 J

-55 °C (-67 °F)

Tin

100 A

5 s

8.4

Bulk

0.217 in (5.5 mm)

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)

0.846 in (21.5 mm)

CE, CSA, PSE, UL

125 °C (257 °F)

Fast

255003

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

Tin Lead Over Copper

Tape And Reel

0.095 in (2.41 mm)

e0

125 V

Pico

0.095 x 0.28 in (2.41 x 7.11 mm)

0.28 in (7.11 mm)

UL

Fast

0232003.X125

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

0481003.VXL

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

3 A

End Cap

25 J

-55 °C (-67 °F)

Tin

300 A

5 m

0.839 in (21.3 mm)

0.228 in (5.8 mm)

e3

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

468003.NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

3 A

Wraparound

1.27 J

-55 °C (-67 °F)

Matte Tin

50 A

468

Rated Breaking Capacity at 32 VDC: 50

Tape And Reel

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)

Slow

239003.P

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

129.509 J

-55 °C (-67 °F)

Matte Tin

100 A

Bulk; Tape And Reel

0.787 in (20 mm)

e3

0.787 x 0.205 in (20 x 5.2 mm)

0.205 in (5.2 mm)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Time Lag

0263003.WXL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

1.77 J

-55 °C (-67 °F)

50 A

100 ms

Bulk

0.155 in (3.94 mm)

250 V

Pico

CSA, PSE, UL

125 °C (257 °F)

Very Fast

3E-6PT-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 7.4 in (39.69 x 187.96 mm)

7.4 in (187.96 mm)

Medium

0208003MXE

Littelfuse

Electric Fuse

Through Hole Mount

350 V

3 A

Pin Wire

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

168.6585.4306

Littelfuse

Electric Fuse

Through Hole Mount

32 V

3 A

Tab/Blade

7.45 J

Tin

1 kA

Rated Breaking Capacity at 32 VDC: 1000 A

Bulk

0.469 in (11.9 mm)

0.15 in (3.8 mm)

e3

0.469 x 0.15 x 0.335 in (11.9 x 3.8 x 8.5 mm)

0.335 in (8.5 mm)

UL

0253003.MXT3L

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

253

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

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; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0TLS003.TXL

Littelfuse

Electric Fuse

Inline/Holder

170 V

3 A

Tab/Blade

100 kA

Bulk

0.563 in (14.3 mm)

170 V

0.563 x 0.877 in (14.3 x 22.27 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

JTD3ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3 A

End Cap

820 J

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0473003.YAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

21 J

-60 °C (-76 °F)

Tin

50 A

2 ms

Pre Arcing Time: Blow within 0.002 s at 800% Rated Current

21

Ammo Pack

0.135 in (3.43 mm)

e3

125 V

Pico

0.135 x 0.28 in (3.43 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Time Delay

0253003.NXT3

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

Bulk

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

0472003.NXT1HF

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

2410SFV3.00FM/125-2

Littelfuse

Electric Fuse

3 A

-55 °C (-67 °F)

4 h

Tape And Reel

0.246 in (6.25 mm)

0.104 in (2.64 mm)

125 V

0.246 x 0.104 x 0.093 in (6.25 x 2.64 x 2.36 mm)

0.093 in (2.36 mm)

CSA, TUV, UL

125 °C (257 °F)

Very Fast

SPXV003.TXS

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

3 A

End Cap

6 J

30 kA

4 m

Bulk

0.406 in (10.31 mm)

3.333 in (84.65 mm)

CE; CUL; IEC; UL

Fast

0491003.MAT1

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

Ammo Pack

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

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.