400 mA Fuses 426

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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

0215.400MXG

Littelfuse

Electric Fuse

Through Hole Mount

250 V

400 mA

Pin Wire

1.325 J

-55 °C (-67 °F)

1.5 kA

1.325

0.22 in (5.6 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.22 x 0.846 in (5.6 x 21.5 mm)

0.846 in (21.5 mm)

125 °C (257 °F)

Time Lag

04910.400MRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

400 mA

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)

Pico

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0272.400V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

400 mA

Pin Wire

-55 °C (-67 °F)

Tin

100 kA

4 h

Bulk

0.235 in (5.97 mm)

e3

125 V

Micro

0.235 x 0.287 in (5.97 x 7.3 mm)

0.287 in (7.3 mm)

CSA, UL

125 °C (257 °F)

Very Fast

374040000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

400 mA

Pin Wire

320 mJ

-40 °C (-40 °F)

Matte Tin

50 A

1 m

Ammo Pack; Tape

0.335 in (8.5 mm)

e3

TR5

0.315 in (8 mm)

CSA; UL

85 °C (185 °F)

Time Lag

R451.400

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

400 mA

End Cap

48.4 mJ

50 A

451

CSA; UL

Very Fast

0219.400A

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

1.35 J

150 A

219A

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

BSI; CCC; CSA; IEC; KTL; METI; PSE; SEMKO; UL; VDE

Time Lag

3960400000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

400 mA

Pin Wire

320 mJ

-40 °C (-40 °F)

Matte Tin

100 A

396

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

60 s

0.335 x 0.157 x 0.315 in (8.5 x 4 x 8 mm)

0.315 in (8 mm)

CSA; UL

85 °C (185 °F)

Time Lag

1940400000

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

27 mJ

-25 °C (-13 °F)

1.5 kA

Bulk

0.205 in (5.2 mm)

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CUL; DIN; IEC; SEMKO; UL; VDE

70 °C (158 °F)

Very Fast

0325.400MX52LP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

400 mA

Pin Wire

1.33 J

-55 °C (-67 °F)

Tin

4 h

1.33

0.275 in (6.985 mm)

e3

250 V

3AB

0.275 x 1.288 in (6.985 x 32.72 mm)

1.288 in (32.72 mm)

CE, CSA, UL

125 °C (257 °F)

Time Lag

218.400XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

1.35 J

-55 °C (-67 °F)

Tin

35 A

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)

CCC; CE; CSA; IEC; KTL; SEMKO; SEV; UL

125 °C (257 °F)

Time Lag

0FLM.400T

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

400 mA

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

30304000131

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

400 mA

Pin Wire

25 mJ

-25 °C (-13 °F)

50 A

1 m

Pre Arcing Time: Open within 60 s at 200% Rated Current

Bulk

0.236 in (6 mm)

0.315 in (8 mm)

CSA; UL

70 °C (158 °F)

Fast

02130.4MRET1

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

1.36 J

-55 °C (-67 °F)

35 A

20 ms

Pre Arcing Time: Open within 0.02 s at 1000% Rated Current

Tape And Reel

0.205 in (5.2 mm)

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; KC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

02130.4MXB

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

1.36 J

-55 °C (-67 °F)

35 A

20 ms

Pre Arcing Time: Open within 0.02 s at 1000% Rated Current

Bulk

0.205 in (5.2 mm)

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; KC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

02130.4MXG

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

1.36 J

-55 °C (-67 °F)

35 A

20 ms

Pre Arcing Time: Open within 0.02 s at 1000% Rated Current

Bulk

0.205 in (5.2 mm)

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; KC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

30304000421

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

400 mA

Pin Wire

25 mJ

-25 °C (-13 °F)

50 A

1 m

Pre Arcing Time: Open within 60 s at 200% Rated Current

Bulk

0.236 in (6 mm)

0.315 in (8 mm)

CSA; UL

70 °C (158 °F)

Fast

02130.4HX

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

1.36 J

-55 °C (-67 °F)

35 A

20 ms

Pre Arcing Time: Open within 0.02 s at 1000% Rated Current

Bulk

0.205 in (5.2 mm)

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; KC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

02130.4MX

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

1.36 J

-55 °C (-67 °F)

35 A

20 ms

Pre Arcing Time: Open within 0.02 s at 1000% Rated Current

Bulk

0.205 in (5.2 mm)

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; KC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

02130.4MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

400 mA

Pin Wire

1.36 J

-55 °C (-67 °F)

35 A

20 ms

Bulk

0.217 in (5.5 mm)

0.197 x 0.787 in (5 x 20 mm)

0.846 in (21.5 mm)

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

125 °C (257 °F)

Time Lag

30304000001

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

400 mA

Pin Wire

25 mJ

-25 °C (-13 °F)

50 A

1 m

Pre Arcing Time: Open within 60 s at 200% Rated Current

Ammo Pack; Tape

0.236 in (6 mm)

0.315 in (8 mm)

CSA; UL

70 °C (158 °F)

Fast

02620.400V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

400 mA

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

02680.400V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

400 mA

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

02740.400V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

400 mA

Pin Wire

25.1 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

FLNR.400T

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

400 mA

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

02130.4MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

1.36 J

-55 °C (-67 °F)

35 A

20 ms

Bulk

0.205 in (5.2 mm)

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Time Lag

0BLS.400T

Littelfuse

Electric Fuse

Inline/Holder

600 V

400 mA

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

FLSR.400TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

400 mA

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

FLA.400

Littelfuse

Electric Fuse

Inline/Holder

125 V

400 mA

End Cap

10 kA

5 s

Bulk

0.406 in (10.31 mm)

5AG

Indicator

1.5 in (38.1 mm)

UL

Time Delay

02720.400V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

400 mA

Pin Wire

25.1 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

02730.400V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

400 mA

Pin Wire

25.1 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

0FLA.400T

Littelfuse

Electric Fuse

Inline/Holder

125 V

400 mA

End Cap

10 kA

5 s

Bulk

0.406 in (10.31 mm)

5AG

Indicator

1.5 in (38.1 mm)

UL

Time Delay

02780.400V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

400 mA

Pin Wire

25.1 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

02790.400V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

400 mA

Pin Wire

25.1 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

02730.400H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

400 mA

Pin Wire

25.1 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

LLSRK.400.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

400 mA

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL; QPL

Time Delay

LLNRK.400.V

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

400 mA

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

0.563 in (14.3 mm)

2 in (50.8 mm)

CE; CSA; UL; QPL

Time Delay

02170.4MXGP

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

125 mJ

-55 °C (-67 °F)

35 A

10 ms

Pre Arcing Time: Open within 10 ms at 400% Rated Current

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Fast

02170.4MRET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

400 mA

Pin Wire

125 mJ

-55 °C (-67 °F)

35 A

10 ms

Pre Arcing Time: Open within 10 ms at 400% Rated Current

Tape And Reel

0.217 in (5.5 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.846 in (21.5 mm)

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

125 °C (257 °F)

Fast

02170.4MXBP

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

125 mJ

-55 °C (-67 °F)

35 A

10 ms

Pre Arcing Time: Open within 10 ms at 400% Rated Current

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Fast

02170.4HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

125 mJ

-55 °C (-67 °F)

35 A

10 ms

Pre Arcing Time: Open within 10 ms at 400% Rated Current

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Fast

228.400

Littelfuse

Electric Fuse

Through Hole Mount

250 V

400 mA

Pin Wire

1.35 J

35 A

228

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; IEC; SEMKO; UL; VDE

Time Lag

0218.400HXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

400 mA

Pin Wire

1.325 J

-55 °C (-67 °F)

Tin

35 A

Bulk

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)

CCC; CE; CSA; IEC; KC; SEMKO; UL; VDE

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.