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

MFU0603FF03000P500

Vishay Intertechnology

Electric Fuse

Surface Mount

32 V

3 A

Wraparound

22.7 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

SF-0402S300M-2

Bourns

Electric Fuse

Surface Mount

24 V

3 A

Wraparound

111 mJ

-55 °C (-67 °F)

Tin Over Nickel

35 A

50 ms

Tape And Reel, 7 inch

0.039 in (1 mm)

0.02 in (0.51 mm)

e3

1 µs

0402

0.039 x 0.02 x 0.02 in (1 x 0.51 x 0.51 mm)

0.02 in (0.51 mm)

CUL; UL

125 °C (257 °F)

Slow

SF-1206F300-2

Bourns

Electric Fuse

Surface Mount

32 V

3 A

Wraparound

501 mJ

-20 °C (-4 °F)

Tin Over Nickel

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-1206S300W-2

Bourns

Electric Fuse

Surface Mount

65 V

3 A

Wraparound

1.92 J

-55 °C (-67 °F)

Tin Over Nickel

50 A

5 s

Tape And Reel, 7 inch

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e3

1206

0.126 x 0.063 x 0.043 in (3.2 x 1.6 x 1.08 mm)

0.043 in (1.08 mm)

TUV; UL

125 °C (257 °F)

Slow

0233003

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

27 J

0.197 in (5 mm)

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CSA; MITI; UL

Medium

KLK003

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

3 A

End Cap

100 kA

Rated Breaking Capacity at 500 VDC: 50000 A

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Fast

0253003.PX

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

0234003.XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

27 J

-55 °C (-67 °F)

Tin

100 A

Pre-Arcing Time: Open within 0.4 s, at 200% Rated Current

Bulk; Tape And Reel

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; KTL; PSE; UL

125 °C (257 °F)

Medium

80813000075

Littelfuse

Electric Fuse

Through Hole Mount

250 V

350 V

3 A

Pin Wire

200.7 mJ

-65 °C (-85 °F)

Tin

200 A

10 s

Pre Arcing Time: Open within 10 s at 200% Rated Current

Bulk

0.35 in (8.9 mm)

0.183 in (4.65 mm)

e3

TE5

0.348 in (8.85 mm)

CUL; PSE; UL

125 °C (257 °F)

Fast

0233003XW

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

LCD2E-4

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

3 A

End Cap

37 kA

LCD

0.813 in (20.64 mm)

0.813 x 4.6 in (20.64 x 116.84 mm)

4.6 in (116.84 mm)

Medium

0675003.DRT4

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

18.3 J

Tin Lead

50 A

4 h

18.3

Tape And Reel

0.154 in (3.9 mm)

e0

250 V

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; UL

Slow

0483003.DR

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

3 A

Wraparound

4 J

-55 °C (-67 °F)

Copper/Nickel/Tin

50 A

5 s

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

Tape And Reel

0.13 in (3.302 mm)

0.062 in (1.575 mm)

e2

65 V

1206

0.062 in (1.5748 mm)

UL

125 °C (257 °F)

0239003.P

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

129.51 J

-55 °C (-67 °F)

Nickel

100 A

239

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Time Lag

0257003.L

Littelfuse

Electric Fuse

Inline/Holder

32 V

3 A

Tab/Blade

7.4 J

-40 °C (-40 °F)

Tin

1 kA

0257

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)

07945818991

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

3 A

Tab/Blade

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)

CE; IEC; UL

125 °C (257 °F)

Fast

3E-11PT-15.5

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

3 A

End Cap

35 kA

1.563 in (39.69 mm)

1.563 x 12.8 in (39.69 x 325.12 mm)

12.8 in (325.12 mm)

Medium

0230003.MRT1EP

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

0263003.HAT1HF

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

1.77 J

-55 °C (-67 °F)

Pure Tin

50 A

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

235003

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

8.394 J

-55 °C (-67 °F)

100 A

4 h

8.3

Bulk; Tape And Reel

0.205 in (5.2 mm)

Supplemental

250 V

34.7 mΩ

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Fast

3263MVXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

3 A

End Cap

200 J

-55 °C (-67 °F)

Matte Tin

100 A

Rated Breaking Capacity at 125 VDC: 10000 A

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)

Time Lag

4201300000

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

Wraparound

16 J

-40 °C (-40 °F)

35 A

Blister Tape

0.24 in (6.1 mm)

0.106 in (2.7 mm)

1 s

2410

0.106 in (2.7 mm)

85 °C (185 °F)

Time Lag

0473003YRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

21 J

-55 °C (-67 °F)

Tin

50 A

Tape And Reel

0.28 in (7.11 mm)

e3

0.28 x 0.135 in (7.11 x 3.43 mm)

0.135 in (3.43 mm)

CSA; UL

125 °C (257 °F)

Slow

0232003.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

17.19 J

-60 °C (-76 °F)

Tin

10 kA

2 m

Pre Arcing Time: Open within 2 m at 200% Rated Current

Bulk

0.217 in (5.5 mm)

e3

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; KC; PSE

125 °C (257 °F)

Medium

0469003.WR

Littelfuse

Electric Fuse

Surface Mount

32 V

3 A

Wraparound

-55 °C (-67 °F)

Tin Silver Nickel

50 A

4 h

Tape And Reel

0.129 in (3.27 mm)

0.064 in (1.63 mm)

e2

32 V

1206

0.129 x 0.064 x 0.035 in (3.27 x 1.63 x 0.9 mm)

0.035 in (0.9 mm)

CSA; UL

150 °C (302 °F)

Slow

TLS003V

Littelfuse

Electric Fuse

Inline/Holder

170 V

3 A

Tab/Blade

Silver

100 kA

0.563 in (14.3 mm)

e4

0.563 x 0.88 in (14.3 x 22.35 mm)

0.88 in (22.35 mm)

CE; UL

RLS003

Littelfuse

Electric Fuse

Inline/Holder

600 V

3 A

End Cap

10 kA

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

KLSR003

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

3 A

End Cap

200 kA

KLSR

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CSA; UL

Fast

JLLN003.TXP

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)

300 V

0.874 in (22.2 mm)

CE; CSA; CUL; UL

Fast

0232003.

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

17.65 J

-55 °C (-67 °F)

Nickel

100 A

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)

KTL; METI; PSE

125 °C (257 °F)

Medium

TLS003

Littelfuse

Electric Fuse

Inline/Holder

170 V

3 A

End Cap

Silver

Rated Breaking Capacity at 170 VDC: 100000

0.563 in (14.3 mm)

e4

0.563 x 0.88 in (14.3 x 22.35 mm)

0.88 in (22.35 mm)

UL

1911300040

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

21 J

-25 °C (-13 °F)

100 A

Bulk

0.213 in (5.4 mm)

5 s

0.197 x 0.787 in (5 x 20 mm)

0.827 in (21 mm)

CUL; UL

70 °C (158 °F)

Very Fast

0274003.0H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Wire

759 mJ

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.25 in (6.35 mm)

125 V

Micro

0.35 in (8.89 mm)

CSA; QPL; UL

85 °C (185 °F)

Very Fast

202003

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

1.71 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)

Fast

0473003PAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

21 J

-55 °C (-67 °F)

Tin

50 A

Ammo Pack

0.28 in (7.11 mm)

e3

0.28 x 0.135 in (7.11 x 3.43 mm)

0.135 in (3.43 mm)

CSA; UL

125 °C (257 °F)

Slow

0297003.H

Littelfuse

Electric Fuse

Inline/Holder

32 V

3 A

Tab/Blade

20 J

-40 °C (-40 °F)

1 kA

30 ms

9.4

0.429 in (10.9 mm)

0.15 in (3.8 mm)

32 V

Mini

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

0.346 in (8.8 mm)

UL

125 °C (257 °F)

0235003.P

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

8.395 J

-55 °C (-67 °F)

Nickel

100 A

235

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Fast

0230003.MXF23OP

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

0217003.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

-55 °C (-67 °F)

Nickel

35 A

10 ms

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

125 °C (257 °F)

Very Fast

230003P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

77 J

-55 °C (-67 °F)

Tin

100 A

230P

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; METI; PSE; UL

125 °C (257 °F)

Slow

142.6185.430.2

Littelfuse

Electric Fuse

Inline/Holder

58 V

3 A

Tab/Blade

15 J

Tin

Rated Breaking Capacity at 58 VDC: 1000 A

0.748 in (19 mm)

0.197 in (5 mm)

e3

0.748 x 0.197 x 0.52 in (19 x 5 x 13.2 mm)

0.52 in (13.2 mm)

UL

0232003.XW

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

17.65 J

100 A

232

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

KTL; METI; PSE

Medium

3E-1C-38.0L

Littelfuse

Electric Fuse

Inline/Holder

38 KV

3 A

End Cap

20 kA

3E-1C-38.0

3 in (76.2 mm)

3 x 30.622 in (76.2 x 777.8 mm)

30.622 in (777.8 mm)

1981300000

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

110 J

-25 °C (-13 °F)

100 A

Bulk

0.205 in (5.2 mm)

5 s

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CSA; UL

70 °C (158 °F)

Time Delay

0263003.WAT1HF

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

1.77 J

-55 °C (-67 °F)

Pure Tin

50 A

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

0434003.NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

3 A

Wraparound

198 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

168.6785.4302

Littelfuse

Electric Fuse

Inline/Holder

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 0.339 in (11.9 x 3.8 x 8.6 mm)

0.339 in (8.6 mm)

UL

FLQ3

Littelfuse

Electric Fuse

Inline/Holder

500 V

3 A

End Cap

10 kA

0.406 in (10.31 mm)

500 V

Midget

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Slow

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.