Wire Fuses 266

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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

02720.031H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

31 mA

Wire

8.1 μJ

-55 °C (-67 °F)

10 kA

5 s

Bulk

0.235 in (5.97 mm)

125 V

Micro

0.287 in (7.3 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

38221000000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

10 A

Wire

365 J

-40 °C (-40 °F)

Matte Tin

100 A

150 ms

260

Ammo Pack

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CUL; PSE; UL

85 °C (185 °F)

Time Lag

80712500000

Littelfuse

Electric Fuse

Through Hole Mount

300 V

300 V

2.5 A

Wire

13.75 kJ

-40 °C (-40 °F)

Tin

100 A

1 s

Ammo Pack

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

300 V

0.488 x 0.252 x 0.362 in (12.4 x 6.4 x 9.2 mm)

0.362 in (9.2 mm)

IEC; CUL; PSE; UL

125 °C (257 °F)

Time Lag

02740.010H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

10 mA

Wire

-55 °C (-67 °F)

10 kA

5 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

80411250000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.25 A

Wire

30 J

-40 °C (-40 °F)

Tin

150 A

1 s

Ammo Pack

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

250 V

TE7

0.488 x 0.252 x 0.386 in (12.4 x 6.4 x 9.8 mm)

0.362 in (9.2 mm)

125 °C (257 °F)

Time Lag

02740.400H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

400 mA

Wire

25.1 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

0328021.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

300 V

100 V

21 A

Wire

4.8 kJ

-55 °C (-67 °F)

Matte Tin

200 A

2 m

Bulk

0.275 in (6.985 mm)

e3

3AB

1.288 in (32.72 mm)

UL; VDE

125 °C (257 °F)

02780.750H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

750 mA

Wire

56.3 mJ

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.235 in (5.97 mm)

125 V

Micro

0.287 in (7.3 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

02790.050H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

50 mA

Wire

66.6 μJ

-55 °C (-67 °F)

10 kA

5 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

80411600000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Wire

51 J

-40 °C (-40 °F)

Tin

150 A

1 s

Ammo Pack

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

250 V

TE7

0.488 x 0.252 x 0.386 in (12.4 x 6.4 x 9.8 mm)

0.362 in (9.2 mm)

125 °C (257 °F)

Time Lag

02740.031H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

31 mA

Wire

8.1 μJ

-55 °C (-67 °F)

10 kA

5 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

38213150000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3.15 A

Wire

45.35 J

-40 °C (-40 °F)

Matte Tin

100 A

150 ms

32

Ammo Pack

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; CE; CUL; PSE; UL; VDE

85 °C (185 °F)

Time Lag

023501.6MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Wire

2.025 J

-55 °C (-67 °F)

Tin

100 A

5 s

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

80711600000

Littelfuse

Electric Fuse

Through Hole Mount

300 V

300 V

1.6 A

Wire

5.1 kJ

-40 °C (-40 °F)

Tin

100 A

1 s

Ammo Pack

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

300 V

0.488 x 0.252 x 0.362 in (12.4 x 6.4 x 9.2 mm)

0.362 in (9.2 mm)

IEC; CUL; PSE; UL

125 °C (257 °F)

Time Lag

38214000430

Littelfuse

Electric Fuse

Through Hole Mount

250 V

4 A

Wire

72 J

-40 °C (-40 °F)

Matte Tin

100 A

150 ms

58

Bulk

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; CE; CUL; PSE; UL; VDE

85 °C (185 °F)

Time Lag

0235.125MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 mA

Wire

2.73 mJ

-55 °C (-67 °F)

Tin

35 A

5 s

Bulk

0.22 in (5.6 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.236 x 0.886 in (6 x 22.5 mm)

0.846 in (21.5 mm)

CE, CSA, UL

125 °C (257 °F)

Fast

0235.200MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

200 mA

Wire

8.67 mJ

-55 °C (-67 °F)

Tin

35 A

5 s

Bulk

0.22 in (5.6 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.236 x 0.886 in (6 x 22.5 mm)

0.846 in (21.5 mm)

CE, CSA, UL

125 °C (257 °F)

Fast

0235.700HXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

700 mA

Wire

156 mJ

-55 °C (-67 °F)

35 A

5 s

Bulk

0.197 in (5 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CSA, CE, UL

125 °C (257 °F)

Fast

021501.6MRET1

Littelfuse

Electric Fuse

Through Hole Mount

250 V

16 A

Wire

1.408 kJ

-55 °C (-67 °F)

Tin

500 A

Bulk

0.228 in (5.8 mm)

e3

250 V

10 µs

0.197 x 0.787 in (5 x 20 mm)

0.886 in (22.5 mm)

CCC; CE; CSA; CUL; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

80711600440

Littelfuse

Electric Fuse

Through Hole Mount

300 V

300 V

1.6 A

Wire

5.1 kJ

-40 °C (-40 °F)

Tin

100 A

1 s

Bulk

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

300 V

0.488 x 0.252 x 0.362 in (12.4 x 6.4 x 9.2 mm)

0.362 in (9.2 mm)

IEC; CUL; PSE; UL

125 °C (257 °F)

Time Lag

0215.400MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

400 mA

Wire

1.325 J

-55 °C (-67 °F)

Tin

1.5 kA

Bulk

0.236 in (6 mm)

e3

250 V

5 µs

0.197 x 0.787 in (5 x 20 mm)

0.886 in (22.5 mm)

CE; CUL; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0274005.0H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

5 A

Wire

2.21 J

-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

0235001.HXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Wire

467.5 mJ

-55 °C (-67 °F)

100 A

5 s

Bulk

0.197 in (5 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CSA, CE, PSE, UL

125 °C (257 °F)

Fast

023503.5HXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3.5 A

Wire

17.14 J

-55 °C (-67 °F)

100 A

5 s

Bulk

0.197 in (5 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CE, PSE, UL

125 °C (257 °F)

Fast

02740.050H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

50 mA

Wire

66.6 μJ

-55 °C (-67 °F)

10 kA

5 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

80712000440

Littelfuse

Electric Fuse

Through Hole Mount

300 V

300 V

2 A

Wire

8.8 kJ

-40 °C (-40 °F)

Tin

100 A

1 s

Bulk

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

300 V

0.488 x 0.252 x 0.362 in (12.4 x 6.4 x 9.2 mm)

0.362 in (9.2 mm)

IEC; CUL; PSE; UL

125 °C (257 °F)

Time Lag

0215.200MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

200 mA

Wire

340 mJ

-55 °C (-67 °F)

Tin

1.5 kA

Bulk

0.236 in (6 mm)

e3

250 V

5 µs

0.197 x 0.787 in (5 x 20 mm)

0.886 in (22.5 mm)

CE; CUL; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

02780.700H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

700 mA

Wire

71 mJ

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.235 in (5.97 mm)

125 V

Micro

0.287 in (7.3 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

80412500440

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Wire

137.5 J

-40 °C (-40 °F)

Tin

150 A

1 s

Bulk

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

250 V

TE7

0.488 x 0.252 x 0.386 in (12.4 x 6.4 x 9.8 mm)

0.362 in (9.2 mm)

125 °C (257 °F)

Time Lag

02790.010H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

10 mA

Wire

-55 °C (-67 °F)

10 kA

5 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

38211000410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Wire

4.85 J

-40 °C (-40 °F)

Matte Tin

100 A

150 ms

3

Bulk

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; CE; CUL; PSE; UL; VDE

85 °C (185 °F)

Time Lag

80414000440

Littelfuse

Electric Fuse

Through Hole Mount

250 V

4 A

Wire

368 J

-40 °C (-40 °F)

Tin

150 A

1 s

Bulk

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

250 V

TE7

0.488 x 0.252 x 0.386 in (12.4 x 6.4 x 9.8 mm)

0.362 in (9.2 mm)

125 °C (257 °F)

Time Lag

0235.400HXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

400 mA

Wire

58.45 mJ

-55 °C (-67 °F)

35 A

5 s

Bulk

0.197 in (5 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CSA, CE, UL

125 °C (257 °F)

Fast

80413150440

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3.15 A

Wire

212.94 J

-40 °C (-40 °F)

Tin

150 A

1 s

Bulk

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

250 V

TE7

0.488 x 0.252 x 0.386 in (12.4 x 6.4 x 9.8 mm)

0.362 in (9.2 mm)

125 °C (257 °F)

Time Lag

023502.5MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Wire

5.445 J

-55 °C (-67 °F)

Tin

100 A

5 s

5.445

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

02790.200H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

200 mA

Wire

4.09 mJ

-55 °C (-67 °F)

10 kA

5 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

38213150430

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3.15 A

Wire

45.35 J

-40 °C (-40 °F)

Tin

100 A

150 ms

32

Bulk

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; CE; CUL; PSE; UL; VDE

85 °C (185 °F)

Time Lag

38213150410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3.15 A

Wire

45.35 J

-40 °C (-40 °F)

Matte Tin

100 A

150 ms

32

Bulk

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; CE; CUL; PSE; UL; VDE

85 °C (185 °F)

Time Lag

02790.031H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

31 mA

Wire

8.1 μJ

-55 °C (-67 °F)

10 kA

5 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

02780.400H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

400 mA

Wire

25.1 mJ

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.235 in (5.97 mm)

125 V

Micro

0.287 in (7.3 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

02790.400H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

400 mA

Wire

25.1 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

38211250410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.25 A

Wire

6.88 J

-40 °C (-40 °F)

Tin

100 A

150 ms

4.5

Bulk

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; CE; CUL; PSE; UL; VDE

85 °C (185 °F)

Time Lag

38216300000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Wire

148.84 J

-40 °C (-40 °F)

Matte Tin

100 A

150 ms

105

Ammo Pack

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; CE; CUL; PSE; UL; VDE

85 °C (185 °F)

Time Lag

80708000000

Littelfuse

Electric Fuse

Through Hole Mount

300 V

300 V

800 mA

Wire

12.48 kJ

-40 °C (-40 °F)

Tin

100 A

1 s

Ammo Pack

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

300 V

0.488 x 0.252 x 0.362 in (12.4 x 6.4 x 9.2 mm)

0.362 in (9.2 mm)

IEC; CUL; UL

125 °C (257 °F)

Time Lag

0235006.HXEP

Littelfuse

Electric Fuse

Through Hole Mount

125 V

6 A

Wire

47.325 J

-55 °C (-67 °F)

10 kA

5 s

Bulk

0.197 in (5 mm)

125 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

125 °C (257 °F)

Fast

80716300440

Littelfuse

Electric Fuse

Through Hole Mount

300 V

300 V

6.3 A

Wire

109.9 kJ

-40 °C (-40 °F)

Matte Tin

100 A

1 s

Bulk

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

300 V

0.488 x 0.252 x 0.362 in (12.4 x 6.4 x 9.2 mm)

0.362 in (9.2 mm)

IEC; CUL; PSE; UL

125 °C (257 °F)

Time Lag

02740.005H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

5 mA

Wire

-55 °C (-67 °F)

10 kA

5 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

80414000000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

4 A

Wire

368 J

-40 °C (-40 °F)

Tin

150 A

1 s

Ammo Pack

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

250 V

TE7

0.488 x 0.252 x 0.386 in (12.4 x 6.4 x 9.8 mm)

0.362 in (9.2 mm)

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.