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

3250.4MVXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

400 mA

Pin Wire

1.33 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; UL

125 °C (257 °F)

Time Lag

0218.400

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

1.325 J

-55 °C (-67 °F)

35 A

Pre Arcing Time: Open within 20 ms at 1000% Rated Current

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Time Lag

35604000029

Littelfuse

Electric Fuse

Inline/Holder

440 V

400 mA

End Cap

160 mJ

-25 °C (-13 °F)

1 kA

10 ms

Pre Arcing Time: Open within 0.01 s at 1000% Rated Current

Bulk

0.25 in (6.35 mm)

3AB

0.248 x 1.26 in (6.3 x 32 mm)

1.25 in (31.75 mm)

CE

70 °C (158 °F)

Slow

3030400042

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

400 mA

Pin Wire

25 mJ

-25 °C (-13 °F)

Matte Tin

50 A

Rated Breaking Capacity at 63 VDC: 50 A

0.025

Bulk

0.236 in (6 mm)

Supplemental

e3

125 V

5 s

Micro

0.236 x 0.315 in (6 x 8 mm)

0.315 in (8 mm)

CSA; UL

70 °C (158 °F)

Fast

0325.400HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

400 mA

Pin Wire

1.33 J

-55 °C (-67 °F)

Tin

100 A

4 h

1.33

Bulk

0.275 in (6.99 mm)

e3

250 V

3AB

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; UL

125 °C (257 °F)

Time Lag

2010400002

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

280 mJ

-25 °C (-13 °F)

Matte Tin

80 A

Bulk

0.205 in (5.2 mm)

e3

5 ms

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

DIN 41571; UL

70 °C (158 °F)

Medium Time Lag

02170.4MXP

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

0217.400HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

125 mJ

-55 °C (-67 °F)

35 A

10 ms

Bulk

0.205 in (5.2 mm)

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Very Fast

0491.400NRT1HF

Littelfuse

Electric Fuse

400 mA

Pin Wire

-55 °C (-67 °F)

4 h

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, UL

125 °C (257 °F)

Very Fast

0279.400H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

400 mA

Pin Wire

25.1 mJ

-55 °C (-67 °F)

Tin

10 kA

4 h

Bulk

0.25 in (6.35 mm)

e3

125 V

Micro

0.25 x 0.35 in (6.35 x 8.89 mm)

0.35 in (8.89 mm)

CSA; QPL; UL

85 °C (185 °F)

Very Fast

1950400040

Littelfuse

Electric Fuse

Through Hole Mount

250 V

400 mA

Pin Wire

2.4 J

-25 °C (-13 °F)

35 A

Bulk

0.213 in (5.4 mm)

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.827 in (21 mm)

BSI; CCEE; CUL; DIN; IEC; IMQ; SEMKO; UL; VDE

70 °C (158 °F)

Time Lag

0216.400HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

40 mJ

-55 °C (-67 °F)

Matte Tin

1.5 kA

0216

Bulk

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; SEMKO; UL; VDE

125 °C (257 °F)

Fast

1960400000

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

2.4 J

-25 °C (-13 °F)

150 A

Bulk

0.205 in (5.2 mm)

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

BSI; CUL; IEC; SEMKO; UL; VDE

70 °C (158 °F)

Time Lag

0272.400H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

400 mA

Pin Wire

25.1 mJ

-55 °C (-67 °F)

Tin

10 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; QPL; UL

125 °C (257 °F)

Very Fast

0219.400MXAEP

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

Pin Wire

1.4 J

-55 °C (-67 °F)

Tin

150 A

20 ms

1.4

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)

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

125 °C (257 °F)

Time Lag

37204000430

Littelfuse

Electric Fuse

Through Hole Mount

250 V

400 mA

Pin Wire

900 mJ

-40 °C (-40 °F)

Matte Tin

35 A

Bulk

0.335 in (8.5 mm)

e3

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; KTL; SEMKO; UL; VDE

85 °C (185 °F)

Time Lag

02720.400H

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

0.235 in (5.97 mm)

125 V

Micro

0.287 in (7.3 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

0213.400MXGP

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

1.36 J

-55 °C (-67 °F)

35 A

1.36

0.205 in (5.2 mm)

250 V

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)

BSI, CCC, CE, CSA, UL, VDE

125 °C (257 °F)

Time Lag

216.400PMRET1

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

36 mJ

-55 °C (-67 °F)

Matte Tin

1.5 kA

216P

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; IEC; SEMKO; UL; VDE

125 °C (257 °F)

Fast

0663.400MALL

Littelfuse

Electric Fuse

400 mA

-40 °C (-40 °F)

35 A

1.1

0.335 in (8.5 mm)

250 V

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CSA, SEMKO, UL, VDE

85 °C (185 °F)

Time Lag

37204000410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

400 mA

Pin Wire

900 mJ

-40 °C (-40 °F)

Matte Tin

35 A

Bulk

0.335 in (8.5 mm)

e3

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; KTL; SEMKO; UL; VDE

85 °C (185 °F)

Time Lag

215.400P

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

1.324 J

-55 °C (-67 °F)

Tin

1.5 kA

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; KTL; PSE; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

0216.400MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

40 mJ

-55 °C (-67 °F)

Matte Tin

1.5 kA

0216

Bulk

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; SEMKO; UL; VDE

125 °C (257 °F)

Fast

217.400P

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

127 mJ

-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; UL; VDE

125 °C (257 °F)

Fast

215.400

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

1.324 J

-55 °C (-67 °F)

Nickel

1.5 kA

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)

CE; CSA; IEC; SEMKO; UL

125 °C (257 °F)

Time Lag

3720400000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

400 mA

Pin Wire

900 mJ

-40 °C (-40 °F)

Matte Tin

35 A

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

e3

20 ms

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; KTL; SEMKO; UL; VDE

85 °C (185 °F)

Time Lag

0491.400NAT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

400 mA

Pin Wire

-55 °C (-67 °F)

50 A

4 h

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, UL

125 °C (257 °F)

Very Fast

218.400P

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

1.324 J

-55 °C (-67 °F)

Tin

35 A

20 ms

Pre Arcing Time: Open within 20 ms at 1000% Rated Current

Bulk; Tape And Reel

0.205 in (5.2 mm)

Supplemental

e3

250 V

535 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)

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

125 °C (257 °F)

Time Lag

216.400PH

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

36 mJ

-55 °C (-67 °F)

Matte Tin

1.5 kA

216P

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; IEC; SEMKO; UL; VDE

125 °C (257 °F)

Fast

0453.400MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

400 mA

Wraparound

48.4 mJ

-55 °C (-67 °F)

Silver

50 A

Rated Breaking Capacity at 125 VDC: 50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

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)

Very Fast

04910.400NAT1HF

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

Ammo Pack

0.11 in (2.8 mm)

Pico

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0455.400NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

400 mA

End Cap

79.5 mJ

-55 °C (-67 °F)

Tin Lead

50 A

455

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)

IEC; UL

125 °C (257 °F)

Fast

3730400041

Littelfuse

Electric Fuse

Through Hole Mount

250 V

400 mA

Pin Wire

16 mJ

-40 °C (-40 °F)

Matte Tin

50 A

373

Bulk

0.335 in (8.5 mm)

e3

5 s

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CSA; UL

85 °C (185 °F)

Fast

0215.400MX

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

1.325 J

-55 °C (-67 °F)

Tin

1.5 kA

Bulk

0.205 in (5.2 mm)

e3

250 V

5 µs

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CE; CUL; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0213.400MXBP

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

1.36 J

-55 °C (-67 °F)

35 A

1.36

0.205 in (5.2 mm)

250 V

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)

BSI, CCC, CE, CSA, UL, VDE

125 °C (257 °F)

Time Lag

213.4XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

1.35 J

-55 °C (-67 °F)

Matte Tin

100 A

213

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; SEMKO; UL

125 °C (257 °F)

Time Lag

374040041

Littelfuse

Electric Fuse

Through Hole Mount

250 V

400 mA

Pin Wire

320 mJ

-40 °C (-40 °F)

Matte Tin

50 A

1 m

Bulk

0.335 in (8.5 mm)

e3

TR5

0.315 in (8 mm)

CSA; UL

85 °C (185 °F)

Time Lag

39604000000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

400 mA

Pin Wire

320 mJ

-40 °C (-40 °F)

Tin

100 A

1 m

0.3

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

125 V

TE5

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

0.315 in (8 mm)

UL

85 °C (185 °F)

Time Lag

217.400XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

400 mA

End Cap

130 mJ

-55 °C (-67 °F)

Matte Tin

35 A

217

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; UL

125 °C (257 °F)

Fast

221.400

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

400 mA

Pin Wire

1.45 J

1.5 kA

10 ms

0.207 in (5.25 mm)

0.197 x 0.787 in (5 x 20 mm)

0.886 in (22.5 mm)

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

Time Lag

37204000411

Littelfuse

Electric Fuse

Through Hole Mount

250 V

400 mA

Pin Wire

1.408 J

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

0.9

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; KC; UL; VDE

85 °C (185 °F)

Time Lag

3260.4MHXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

400 mA

End Cap

1.33 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; 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.