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

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

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

066506.3HXLL

Littelfuse

Electric Fuse

6.3 A

-40 °C (-40 °F)

50 A

4 h

287

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

1811630002

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

115 J

-40 °C (-40 °F)

Tin

1.5 kA

181

Bulk

0.205 in (5.2 mm)

e3

20 ms

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

BSI; CCC; CUL; IEC; METI; PSE; SEMKO; SEV; UL; VDE

85 °C (185 °F)

Time Lag

021606.3MRET1

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

3961630044

Littelfuse

Electric Fuse

Through Hole Mount

125 V

6.3 A

Pin Wire

100 J

-40 °C (-40 °F)

Matte Tin

100 A

396

Bulk

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

3581630002

Littelfuse

Electric Fuse

Inline/Holder

500 V

6.3 A

End Cap

123 J

-25 °C (-13 °F)

1.5 kA

Bulk

0.248 in (6.3 mm)

500 V

10 ms

3AB

0.248 x 1.26 in (6.3 x 32 mm)

1.26 in (32 mm)

UL

85 °C (185 °F)

Time Lag

066306.3

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

360 J

35 A

0663

0.335 in (8.5 mm)

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CSA; UL

Time Lag

3721630010

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

105 J

Matte Tin

50 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; IEC; KTL; SEMKO; UL; VDE

045106.3MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

6.3 A

Wraparound

9.17 J

-55 °C (-67 °F)

50 A

4 h

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e0

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)

CE; CSA; PSE; UL

125 °C (257 °F)

Very Fast

38316300000

Littelfuse

Electric Fuse

Through Hole Mount

320 V

6.3 A

Pin Wire

148.84 J

-40 °C (-40 °F)

50 A

20 ms

Ammo Pack; Tape

0.335 in (8.5 mm)

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

044806.3

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

6.3 A

End Cap

12.1 J

-55 °C (-67 °F)

50 A

Rated Breaking Capacity at 125 VDC: 50 A

0.24 in (6.1 mm)

0.106 in (2.69 mm)

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

31506.3

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

242 J

Tin Lead

200 A

0.275 in (6.985 mm)

e0

0.275 x 1.275 in (6.985 x 32.385 mm)

1.275 in (32.385 mm)

CE; CSA; PSE; UL

Slow

045106.3NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

6.3 A

Wraparound

9.17 J

-55 °C (-67 °F)

Tin/Lead

50 A

4 h

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e0

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)

CE; CSA; PSE; UL

125 °C (257 °F)

Very Fast

087706.3MRET1P

Littelfuse

Electric Fuse

6.3 A

Pin Wire

-55 °C (-67 °F)

Tin

63 A

190

0.142 in (3.6 mm)

e3

250 V

0.142 x 0.394 in (3.6 x 10 mm)

0.394 in (10 mm)

UL; VDE

125 °C (257 °F)

Time Lag

023206.3XW

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

92.85 J

100 A

232

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

KTL; METI; PSE

Medium

80716300000

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

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

21806.3XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

204 J

-55 °C (-67 °F)

Nickel

63 A

218

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)

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

125 °C (257 °F)

Time Lag

R45106.3

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

6.3 A

End Cap

9.17 J

50 A

CSA; UL

Very Fast

067606.3DRT4

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

33.8 J

Tin Lead

63 A

33.8

Tape And Reel

0.154 in (3.9 mm)

e0

250 V

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; UL

Fast

021506.3MXB

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

128.75 J

-55 °C (-67 °F)

1.5 kA

128.75

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)

125 °C (257 °F)

Time Lag

066506.3ZRLL

Littelfuse

Electric Fuse

6.3 A

-40 °C (-40 °F)

50 A

4 h

287

Tape And Reel

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

3951630000

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

Ammo Pack; Tape And Reel

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

021606.3MXSPP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

6.3 A

Pin Wire

56.43 J

-55 °C (-67 °F)

1.5 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; CQC; IEC; KC; PSE; VDE; UL

125 °C (257 °F)

Fast

083506.3MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

300 J

-55 °C (-67 °F)

1.5 kA

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; CUL; KC; PSE; TUV; UL

125 °C (257 °F)

Time Lag

3701630000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

24 J

-40 °C (-40 °F)

Tin

50 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)

SEMKO; UL

85 °C (185 °F)

Fast

047706.3MXEP

Littelfuse

Electric Fuse

Through Hole Mount

500 V

400 V

6.3 A

Pin Wire

121.451 J

-55 °C (-67 °F)

Matte Tin

100 A

10 ms

Rated Breaking Capacity at 400 VDC: 500 A

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)

CUL; PSE; UL

125 °C (257 °F)

Time Lag

39516300440

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

Bulk

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

023406.3MRET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

37.685 J

-55 °C (-67 °F)

Tin

200 A

1 h

Pre Arcing Time: OPEN within 400 MS at 200% RATED CURRENT

37.685

Tape And Reel

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; KTL; PSE; UL

125 °C (257 °F)

Medium

22606.3

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

6.3 A

Pin Wire

57.9 J

1.5 kA

226

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

Fast

1951630040

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

120 J

-25 °C (-13 °F)

63 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

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.