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

066406.3HXLL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

262 J

-40 °C (-40 °F)

Tin

100 A

664

Bulk

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

023306.3XW

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

156 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

2311630002

Littelfuse

Electric Fuse

Inline/Holder

500 V

6.3 A

End Cap

5 J

-25 °C (-13 °F)

Nickel

1 kA

Bulk

0.248 in (6.3 mm)

500 V

1 ms

3AB

0.248 x 1.26 in (6.3 x 32 mm)

1.26 in (32 mm)

70 °C (158 °F)

Very Fast

3136.30

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

6.3 A

End Cap

242 J

0.25 in (6.35 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

Slow

374163000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

110 J

-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

374163041

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

110 J

-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

1951630043

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

120 J

-25 °C (-13 °F)

63 A

Tape And Reel

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

023206.3MXE125P

Littelfuse

Electric Fuse

Through Hole Mount

125 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

021606.3MXGP

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

066406.3ZRLL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

262 J

-40 °C (-40 °F)

Tin

100 A

664

Tape And Reel

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

39516300000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

6.3 A

Pin Wire

9.7 J

-40 °C (-40 °F)

Tin

100 A

1 m

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)

PSE; UL

85 °C (185 °F)

Fast

1941630043

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

75 J

-25 °C (-13 °F)

1.5 kA

Tape And Reel

0.213 in (5.4 mm)

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.827 in (21 mm)

CUL; DIN; IEC; SEMKO; UL; VDE

70 °C (158 °F)

Very Fast

050706.3MXEP

Littelfuse

Electric Fuse

Through Hole Mount

650 V

6.3 A

Pin Wire

29 J

-55 °C (-67 °F)

150 A

2 m

Bulk

0.275 in (6.99 mm)

3AB

1.288 in (32.72 mm)

CE; CUL; UL

125 °C (257 °F)

1811630040

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

110 J

-25 °C (-13 °F)

1.5 kA

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; IEC; IMQ; SEMKO; SEV; UL; VDE

70 °C (158 °F)

Time Lag

021306.3MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

600 J

-55 °C (-67 °F)

Matte Tin

63 A

20 ms

600

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)

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

125 °C (257 °F)

Time Lag

021506.3MXBP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

128.75 J

-55 °C (-67 °F)

1.5 kA

10 ms

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

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

125 °C (257 °F)

Time Lag

2301630002

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

5 J

-25 °C (-13 °F)

Nickel

1 kA

Bulk

0.205 in (5.2 mm)

250 V

1 ms

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)

70 °C (158 °F)

Very Fast

021706.3MRET1P

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

62.465 J

-55 °C (-67 °F)

63 A

10 ms

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

125 °C (257 °F)

Very Fast

31306.3P

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

242 J

Tin

200 A

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; METI; PSE; UL

Slow

46406.3

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

21606.3XE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

6.3 A

Pin Wire

57.9 J

1.5 kA

0.236 in (6 mm)

0.236 x 0.886 in (6 x 22.5 mm)

0.886 in (22.5 mm)

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

Fast

31506.3P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

242 J

Matte Tin

200 A

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; METI; PSE; UL

Slow

023306.3XE

Littelfuse

Electric Fuse

Through Hole Mount

125 V

6.3 A

Pin Wire

156 J

10 kA

233

0.228 in (5.8 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

CSA; KTL; PSE; UL

Medium

37216300431

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

138.915 J

-40 °C (-40 °F)

Matte Tin

50 A

20 ms

105

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

087406.3MRET1P

Littelfuse

Electric Fuse

6.3 A

Pin Wire

-55 °C (-67 °F)

50 A

4 h

22.9

Tape And Reel

0.142 in (3.6 mm)

250 V

0.142 x 0.394 in (3.6 x 10 mm)

0.394 in (10 mm)

UL

125 °C (257 °F)

Fast

021606.3TXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

56.43 J

-55 °C (-67 °F)

Tin

1.2 kA

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; KTL; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Fast

37216300000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

105 J

-40 °C (-40 °F)

Matte Tin

50 A

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

e3

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

021606.3EP

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

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; UL; VDE

125 °C (257 °F)

Fast

021806.3MRET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

198.5 J

-55 °C (-67 °F)

Nickel

63 A

198.5

Tape And Reel

0.228 in (5.8 mm)

Supplemental

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)

Time Lag

021806.3MXF34P

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

198.5 J

-55 °C (-67 °F)

Tin with Nickel barrier

63 A

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

Bulk

0.205 in (5.2 mm)

e3

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Time Lag

3721630041

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

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

023306.3MRET1P

Littelfuse

Electric Fuse

Through Hole Mount

125 V

6.3 A

Pin Wire

151.905 J

-55 °C (-67 °F)

Matte Tin

10 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)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Medium

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

38316300410

Littelfuse

Electric Fuse

Through Hole Mount

320 V

6.3 A

Pin Wire

148.84 J

-40 °C (-40 °F)

Tin

50 A

20 ms

Bulk

0.335 in (8.5 mm)

e3

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CE; CUL; PSE; UL

85 °C (185 °F)

Time Lag

023306.3XP

Littelfuse

Electric Fuse

Inline/Holder

125 V

6.3 A

End Cap

156 J

-55 °C (-67 °F)

Nickel

10 kA

233

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

023406.3MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

37.685 J

-55 °C (-67 °F)

Tin

200 A

400 ms

37.685

Bulk

0.217 in (5.5 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.217 x 0.846 in (5.5 x 21.5 mm)

0.846 in (21.5 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Medium

1931630000

Littelfuse

Electric Fuse

6.3 A

-25 °C (-13 °F)

63 A

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)

SEMKO, UL, VDE

70 °C (158 °F)

Fast

048306.3DR

Littelfuse

Electric Fuse

Surface Mount

32 V

65 V

6.3 A

Wraparound

5 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)

021606.3MRET5

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

045306.3NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

6.3 A

Wraparound

9.17 J

-55 °C (-67 °F)

Silver

50 A

5 s

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

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

044806.3NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

6.3 A

End Cap

12.1 J

-55 °C (-67 °F)

Gold

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; PSE; UL

125 °C (257 °F)

Very Fast

021306.3MRET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

600 J

-55 °C (-67 °F)

63 A

600

Tape And Reel

0.217 in (5.5 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.217 x 0.846 in (5.5 x 21.5 mm)

0.846 in (21.5 mm)

BSI, CCC, CE, CSA, PSE, UL, VDE

125 °C (257 °F)

Time Lag

21706.3

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

6.3 A

End Cap

62.466 J

-55 °C (-67 °F)

63 A

62.465

Bulk; Tape And Reel

0.205 in (5.2 mm)

Supplemental

250 V

9.5 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; IEC; PSE; SEMKO; VDE

125 °C (257 °F)

Fast

1941630000

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

6.3 A

End Cap

75 J

-25 °C (-13 °F)

1.5 kA

3 ms

Bulk

0.205 in (5.2 mm)

250 V

3 ms

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)

SEMKO, UL, VDE

70 °C (158 °F)

Fast

021806.3HXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

198.5 J

-55 °C (-67 °F)

Tin

63 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; PSE; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

023206.3X125

Littelfuse

Electric Fuse

Through Hole Mount

125 V

6.3 A

Pin Wire

90.413 J

-55 °C (-67 °F)

Tin

300 A

Bulk; 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)

CE; PSE

125 °C (257 °F)

Medium

37216300511

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

138.915 J

-40 °C (-40 °F)

Matte Tin

50 A

20 ms

105

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

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.