250 V Fuses 2,400+

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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

0312.200HX

Littelfuse

Electric Fuse

Inline/Holder

250 V

200 mA

End Cap

16.5 mJ

-55 °C (-67 °F)

Tin

35 A

312

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)

Fast

203001G

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

1 A

Gull Wing

328 mJ

-55 °C (-67 °F)

Tin/Lead

50 A

4 h

0.328

Tape And Reel

0.372 in (9.45 mm)

0.25 in (6.35 mm)

e0

250 V

0.372 x 0.25 x 0.165 in (9.45 x 6.35 x 4.19 mm)

0.165 in (4.19 mm)

CSA; UL

125 °C (257 °F)

Slow

216.063PV

Littelfuse

Electric Fuse

Inline/Holder

250 V

63 mA

End Cap

540 μJ

-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)

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

125 °C (257 °F)

Fast

067706.3

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

240 J

Tin Lead

63 A

677

0.154 in (3.9 mm)

e0

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CCC; CSA; IEC; UL; VDE

Slow

0233006XW

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6 A

Pin Wire

135 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

32502.8P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.8 A

Pin Wire

170 J

Matte Tin

100 A

325P

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; PSE; UL

Slow

263001HX

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

87 mJ

-55 °C (-67 °F)

50 A

4 h

0.087

0.155 in (3.94 mm)

250 V

105 mΩ

Pico

0.28 in (7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

0239.100HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

100 mA

End Cap

55 mJ

-55 °C (-67 °F)

Tin

35 A

4 h

0.05

Bulk

0.205 in (5.2 mm)

Supplemental

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)

CE; UL

125 °C (257 °F)

Time Lag

0263002.WXL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2 A

Pin Wire

740 mJ

-55 °C (-67 °F)

50 A

100 ms

Bulk

0.155 in (3.94 mm)

250 V

Pico

CSA, PSE, UL

125 °C (257 °F)

Very Fast

067301.6MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

3.75 J

50 A

4 h

3.7

Bulk

0.154 in (3.9 mm)

250 V

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; UL

Slow

38211600430

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Wire

12.67 J

-40 °C (-40 °F)

Tin

100 A

150 ms

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; PSE; UL; VDE

85 °C (185 °F)

Time Lag

KLNR050

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

50 A

End Cap

200 kA

KLNR

Rated Breaking Capacity at 125 VDC: 20000 A

0.811 in (20.6 mm)

3 in (76.2 mm)

CSA; UL

Fast

3821160041

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

9 J

-40 °C (-40 °F)

Matte Tin

100 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)

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

85 °C (185 °F)

Time Lag

06641.25MALL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.25 A

Pin Wire

6.3 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)

CCC; CSA; KTL; METI; PSE; UL; VDE

85 °C (185 °F)

Time Lag

0318002MX

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2 A

Pin Wire

5.2 J

-55 °C (-67 °F)

Tin

100 A

318

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; KTL; PSE; UL

125 °C (257 °F)

Fast

0476004.MR

Littelfuse

Electric Fuse

Surface Mount

250 V

125 V

4 A

Wraparound

2.82 J

-55 °C (-67 °F)

100 A

1 ms

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 1 ms at 1000% Rated Current

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

Nano

0.106 in (2.69 mm)

CUL; PSE; UL

125 °C (257 °F)

Fast

313.300P

Littelfuse

Electric Fuse

Inline/Holder

250 V

300 mA

End Cap

730 mJ

Tin

35 A

5 s

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

0.25 in (6.35 mm)

e3

250 V

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; METI; PSE; UL

Slow

0315007.HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

7 A

Pin Wire

347 J

-55 °C (-67 °F)

Matte Tin

200 A

Bulk

0.275 in (6.985 mm)

e3

0.275 x 1.275 in (6.985 x 32.385 mm)

1.275 in (32.385 mm)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Time Lag

067406.3

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

19.2 J

Tin Lead

50 A

674

0.154 in (3.9 mm)

e0

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; UL

Fast

1811500000

Littelfuse

Electric Fuse

Inline/Holder

250 V

5 A

End Cap

77 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

021501.6MXGP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

6.83 J

-55 °C (-67 °F)

Tin

1.5 kA

10 ms

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

6.83

Bulk

0.217 in (5.5 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)

0.846 in (21.5 mm)

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

125 °C (257 °F)

Time Lag

312.600P

Littelfuse

Electric Fuse

Inline/Holder

250 V

600 mA

End Cap

880 mJ

Nickel

35 A

0.25 in (6.35 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; UL

Fast

0672.750MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

750 mA

Pin Wire

254 mJ

Tin Lead

50 A

5 s

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

0.254

Bulk

0.154 in (3.9 mm)

e0

250 V

0.142 x 0.394 in (3.6 x 10 mm)

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; UL

Fast

37400800000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

80 mA

Pin Wire

25 mJ

-40 °C (-40 °F)

Tin

50 A

1 m

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)

CSA, UL

85 °C (185 °F)

Time Lag

023002.5DRT1SSP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

2.5 A

Pin Wire

50 J

-55 °C (-67 °F)

Matte Tin

100 A

Rated Breaking Capacity at 125 VDC: 10000 A

Tape And Reel

0.185 in (4.7 mm)

e3

0.185 x 0.57 in (4.7 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

FLM31/2

Littelfuse

Electric Fuse

Inline/Holder

250 V

3.5 A

End Cap

10 kA

0.406 in (10.31 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; QPL; UL

Slow

0325001.MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

1 A

Pin Wire

16.3 J

-55 °C (-67 °F)

Tin

100 A

5 s

Rated Breaking Capacity at 125 VDC: 10000 A

16.3

Bulk

0.275 in (6.985 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; PSE; UL

125 °C (257 °F)

Time Delay

227.400

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

400 mA

Pin Wire

130 mJ

35 A

227

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; VDE

Fast

1961250000

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

17 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

FLNR.100

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

100 mA

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

Bulk

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Time Delay

0313.125VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 mA

End Cap

152 mJ

-55 °C (-67 °F)

Nickel

35 A

4 h

0.152

Bulk

0.25 in (6.35 mm)

Supplemental

250 V

3AG

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

1980500002

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

1.6 J

-25 °C (-13 °F)

35 A

Bulk

0.205 in (5.2 mm)

5 s

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CSA; UL

70 °C (158 °F)

Time Delay

0318007.MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

7 A

Pin Wire

81 J

-55 °C (-67 °F)

Tin

200 A

5 s

Tape And Reel

0.275 in (6.99 mm)

e3

3AG

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Fast

BLS7

Littelfuse

Electric Fuse

Inline/Holder

250 V

7 A

End Cap

10 kA

0.406 in (10.31 mm)

0.406 x 1.375 in (10.31 x 34.93 mm)

1.375 in (34.93 mm)

CSA; UL

Fast

0216001.MXESPP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

180 mJ

-55 °C (-67 °F)

Matte Tin

1.5 kA

3 ms

Bulk

0.205 in (5.2 mm)

e3

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CE; CQC; CSA; IEC; KC; PSE; UL; VDE

125 °C (257 °F)

Fast

3400150000

Littelfuse

Electric Fuse

Inline/Holder

250 V

150 mA

End Cap

4.4 mJ

-25 °C (-13 °F)

35 A

Bulk

0.248 in (6.3 mm)

120 s

0.248 x 1.26 in (6.3 x 32 mm)

1.26 in (32 mm)

CSA; UL

70 °C (158 °F)

Very Fast

067206.5MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.5 A

Pin Wire

21.9 J

Tin Lead

50 A

5 s

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

21.9

Bulk

0.154 in (3.9 mm)

e0

250 V

0.142 x 0.394 in (3.6 x 10 mm)

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; UL

Fast

021906.3MXAEP

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

Pin Wire

1.093 kJ

-55 °C (-67 °F)

Nickel

150 A

20 ms

1093.0

0.217 in (5.5 mm)

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; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0219.125MXAEP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 mA

Pin Wire

130 mJ

-55 °C (-67 °F)

Tin

150 A

20 ms

0.13

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

217.125XE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

125 mA

Pin Wire

4.9 mJ

35 A

217

0.236 in (6 mm)

0.236 x 0.886 in (6 x 22.5 mm)

0.886 in (22.5 mm)

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

Fast

1981100002

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

9.5 J

-25 °C (-13 °F)

35 A

Bulk

0.205 in (5.2 mm)

5 s

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CSA; UL

70 °C (158 °F)

Time Delay

0672.200MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

200 mA

Pin Wire

11.4 mJ

Tin Lead

50 A

5 s

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

0.0114

Bulk

0.154 in (3.9 mm)

e0

250 V

0.142 x 0.394 in (3.6 x 10 mm)

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; UL

Fast

374010000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

100 mA

Pin Wire

25 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

0677.800MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

800 mA

Pin Wire

3.25 J

-55 °C (-67 °F)

Tin

35 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

224.125

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 mA

Pin Wire

2.86 mJ

Tin/Lead

35 A

224

0.177 in (4.5 mm)

e0

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CSA; PSE; UL

Fast

216.800PH

Littelfuse

Electric Fuse

Inline/Holder

250 V

800 mA

End Cap

288 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

0239003.P

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

129.51 J

-55 °C (-67 °F)

Nickel

100 A

239

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)

Time Lag

3260.175MHXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

175 mA

End Cap

220 mJ

-55 °C (-67 °F)

Matte Tin

100 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

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.