6.3 A Fuses 360

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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

045306.3

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

6.3 A

End Cap

9.17 J

Silver

50 A

453

e4

CSA; UL

Very Fast

021606.3MRET3

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

56.43 J

-55 °C (-67 °F)

Tin

1.2 kA

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)

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

125 °C (257 °F)

Fast

031506.3MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

388 J

-60 °C (-76 °F)

200 A

5 s

Bulk

0.275 in (6.99 mm)

3AG

1.273 x 0.275 in (32.34 x 6.98 mm)

1.288 in (32.72 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Time Lag

22806.3

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

204 J

63 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)

BSI; CSA; IEC; SEMKO; UL; VDE

Time Lag

023406.3XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

38.7 J

-55 °C (-67 °F)

Nickel

200 A

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

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; KTL; PSE; UL

125 °C (257 °F)

Medium

066306.3HXLL

Littelfuse

Electric Fuse

6.3 A

-40 °C (-40 °F)

63 A

360

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, UL

85 °C (185 °F)

Time Lag

40016300075

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

318.71 J

-40 °C (-40 °F)

Tin

130 A

20 ms

Bulk

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

TE5

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

0.315 in (8 mm)

IEC; UL; VDE

125 °C (257 °F)

Time Lag

3741630041

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

110 J

-40 °C (-40 °F)

Tin

50 A

Bulk

0.335 in (8.5 mm)

e3

60 s

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CSA; UL

85 °C (185 °F)

Time Lag

80416300000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Wire

1.099 kJ

-40 °C (-40 °F)

Matte 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

3921630044

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

126 J

-40 °C (-40 °F)

Tin

63 A

392

Bulk

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

20 ms

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

0.315 in (8 mm)

IEC; METI; SEMKO; UL; VDE

85 °C (185 °F)

Time Lag

02136.3MXG

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

600 J

-55 °C (-67 °F)

63 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; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

02136.3MRET1

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

600 J

-55 °C (-67 °F)

63 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; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

02136.3MX

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

600 J

-55 °C (-67 °F)

63 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; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

050706.3MX

Littelfuse

Electric Fuse

Inline/Holder

650 V

6.3 A

End Cap

29 J

-55 °C (-67 °F)

150 A

2 m

Pre Arcing Time: Open within 120 s at 200% Rated Current

Bulk

0.25 in (6.35 mm)

0.248 x 1.26 in (6.3 x 32 mm)

1.25 in (31.75 mm)

CE; CSA; CUL; UL

125 °C (257 °F)

02136.3MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

600 J

-55 °C (-67 °F)

63 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; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

02136.3HX

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

600 J

-55 °C (-67 °F)

63 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; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

02136.3MXB

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

600 J

-55 °C (-67 °F)

63 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; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

3951630044

Littelfuse

Electric Fuse

Through Hole Mount

125 V

6.3 A

Pin Wire

9.7 J

-40 °C (-40 °F)

Matte Tin

100 A

395

Bulk

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

5 s

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)

Fast

021606.3P

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

56.43 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

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)

Fast

021606.3MXBP

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

56.43 J

-55 °C (-67 °F)

Tin

1.5 kA

56.43

Bulk

0.205 in (5.2 mm)

e3

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)

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

125 °C (257 °F)

Fast

3921630000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

126 J

-40 °C (-40 °F)

Tin

63 A

392

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

20 ms

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

0.315 in (8 mm)

IEC; METI; SEMKO; UL; VDE

85 °C (185 °F)

Time Lag

047706.3MXP

Littelfuse

Electric Fuse

Inline/Holder

500 V

400 V

6.3 A

End Cap

121.451 J

-55 °C (-67 °F)

Nickel

100 A

10 ms

Rated Breaking Capacity at 400 VDC: 500 A

Bulk

0.205 in (5.2 mm)

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)

CUL; PSE; UL

125 °C (257 °F)

Time Lag

37416300410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

144.869 J

-40 °C (-40 °F)

Tin

50 A

1 m

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)

CSA, UL

85 °C (185 °F)

Time Lag

3721630051

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

105 J

-40 °C (-40 °F)

Matte Tin

50 A

Bulk

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)

CQC; KTL; SEMKO; UL; VDE

85 °C (185 °F)

Time Lag

067706.3MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

240 J

-55 °C (-67 °F)

Tin

63 A

20 ms

Bulk

0.153 in (3.89 mm)

e3

0.142 x 0.394 in (3.6 x 10 mm)

0.433 in (11 mm)

CSA; CQC; UL; VDE

125 °C (257 °F)

Time Lag

021906.3XE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

204 J

150 A

219

0.228 in (5.8 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

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

Time Lag

R45106.3MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

6.3 A

Wraparound

9.17 J

-55 °C (-67 °F)

Tin/Lead

50 A

5 s

Pre Arcing Time: Open within 5 s at 200% Rated Current

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e0

Nano

0.106 in (2.69 mm)

CSA; UL

125 °C (257 °F)

Very Fast

066406.3

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

262 J

-40 °C (-40 °F)

Matte Tin

100 A

664

0.335 in (8.5 mm)

e3

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CSA; PSE; UL

85 °C (185 °F)

Time Lag

087706.3MRET1

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

190 J

-55 °C (-67 °F)

Tin

63 A

Tape And Reel

0.142 in (3.6 mm)

e3

0.142 x 0.394 in (3.6 x 10 mm)

0.394 in (10 mm)

IEC; UL; VDE

125 °C (257 °F)

Slow

021606.3MRET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

56.43 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

56.43

Tape And Reel

0.228 in (5.8 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)

0.886 in (22.5 mm)

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

125 °C (257 °F)

Fast

46406.3DR

Littelfuse

Electric Fuse

Surface Mount

250 V

6.3 A

End Cap

40 J

-55 °C (-67 °F)

Silver

100 A

Tape And Reel

0.476 in (12.1 mm)

0.177 in (4.5 mm)

e4

0.476 x 0.177 x 0.177 in (12.1 x 4.5 x 4.5 mm)

0.177 in (4.5 mm)

CCC; METI; UL; VDE

125 °C (257 °F)

Fast

023306.3P

Littelfuse

Electric Fuse

Inline/Holder

125 V

6.3 A

End Cap

151.905 J

-55 °C (-67 °F)

Nickel

10 kA

233P

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; KTL; PSE; UL

125 °C (257 °F)

Medium

023406.3XEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

37.684 J

-55 °C (-67 °F)

Tin

200 A

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

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)

CE; CSA; PSE; UL

125 °C (257 °F)

Medium

023206.3MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

151.54 J

-60 °C (-76 °F)

Tin

300 A

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

023306.3MXBP

Littelfuse

Electric Fuse

Inline/Holder

125 V

6.3 A

End Cap

151.905 J

-55 °C (-67 °F)

Nickel

10 kA

Bulk

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Medium

021806.3MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

198.5 J

-55 °C (-67 °F)

Tin

63 A

20 ms

198.5

Bulk

0.217 in (5.5 mm)

Supplemental

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; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

04516.30NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

6.3 A

Wraparound

9.17 J

-55 °C (-67 °F)

Gold

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; PSE; UL

125 °C (257 °F)

Very Fast

031506.3MXBP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

388 J

-55 °C (-67 °F)

200 A

5 s

Bulk

0.275 in (6.985 mm)

3AG

1.275 in (32.39 mm)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Slow

3731630041

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

9.1 J

-40 °C (-40 °F)

Matte Tin

50 A

9.1

Bulk

0.335 in (8.5 mm)

e3

250 V

5 s

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CSA; UL

85 °C (185 °F)

Fast

051406.3MXEP

Littelfuse

Electric Fuse

Through Hole Mount

500 V

6.3 A

Pin Wire

13.5 J

-55 °C (-67 °F)

5 kA

2 m

Bulk

0.275 in (6.985 mm)

3AB

1.288 in (32.72 mm)

125 °C (257 °F)

Fast

1951630002

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

120 J

-25 °C (-13 °F)

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

70 °C (158 °F)

Time Lag

021706.3MXBP

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

62.465 J

-55 °C (-67 °F)

63 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)

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

125 °C (257 °F)

Very Fast

021506.3MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Wire

128.75 J

-55 °C (-67 °F)

Tin

1.5 kA

Tape And Reel

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)

CE; CUL; PSE; UL

125 °C (257 °F)

Time Lag

2401630002

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

78 J

-25 °C (-13 °F)

Nickel

1.5 kA

Bulk

0.205 in (5.2 mm)

250 V

20 ms

Indicator

0.205 x 0.984 in (5.2 x 25 mm)

0.984 in (25 mm)

70 °C (158 °F)

Fast

066306.3MALL

Littelfuse

Electric Fuse

6.3 A

-40 °C (-40 °F)

63 A

360

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, UL

85 °C (185 °F)

Time Lag

066406.3MALL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

262 J

-40 °C (-40 °F)

Tin

100 A

664

Ammo Pack

0.335 in (8.5 mm)

e3

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CSA; PSE; UL

85 °C (185 °F)

Time Lag

031506.3VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

242 J

-55 °C (-67 °F)

Matte Tin

200 A

Bulk

0.275 in (6.99 mm)

e3

0.275 x 1.275 in (6.99 x 32.39 mm)

1.275 in (32.39 mm)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Time Lag

045106.3NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

6.3 A

Wraparound

9.17 J

-55 °C (-67 °F)

Gold

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

5 s

Nano

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; CUL; 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.