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

0215016.MX

Littelfuse

Electric Fuse

Inline/Holder

250 V

16 A

End Cap

1.408 kJ

-55 °C (-67 °F)

Tin

500 A

Bulk

0.205 in (5.2 mm)

e3

250 V

10 µs

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Time Lag

3400200000

Littelfuse

Electric Fuse

Inline/Holder

250 V

200 mA

End Cap

12 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

374131541

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3.15 A

Pin Wire

22 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

026302.5MXT1HF

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

1.197 J

-55 °C (-67 °F)

Pure Tin

50 A

0263

Bulk

0.155 in (3.94 mm)

0.155 x 0.28 in (3.94 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

3921500000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

5 A

Pin Wire

90 J

-40 °C (-40 °F)

Tin

50 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)

CQC; IEC; METI; PSE; SEMKO; UL; VDE

85 °C (185 °F)

Time Lag

0312.150HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

150 mA

End Cap

5.5 mJ

-55 °C (-67 °F)

Nickel

35 A

5 s

Bulk

0.25 in (6.35 mm)

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)

Fast

318.125

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

125 mA

Pin Wire

2.89 mJ

-55 °C (-67 °F)

Tin Lead

35 A

4 h

0.0029

0.276 in (7 mm)

Supplemental

e0

250 V

3AG

0.276 x 1.275 in (7 x 32.39 mm)

1.275 in (32.39 mm)

CSA; UL

125 °C (257 °F)

Fast

1980300002

Littelfuse

Electric Fuse

Inline/Holder

250 V

300 mA

End Cap

500 mJ

-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

197-0350-000

Littelfuse

Electric Fuse

Inline/Holder

250 V

350 mA

End Cap

65 mJ

-25 °C (-13 °F)

35 A

Bulk

0.205 in (5.2 mm)

120 s

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CUL; UL

70 °C (158 °F)

Medium Time Lag

0318001MX

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

760 mJ

-55 °C (-67 °F)

Tin

35 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

0318.200MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

200 mA

Pin Wire

16.5 mJ

-55 °C (-67 °F)

Tin

35 A

5 s

Bulk

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; UL

125 °C (257 °F)

Fast

067301.5

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.5 A

Pin Wire

3.52 J

50 A

673

0.154 in (3.9 mm)

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; UL

Slow

032501.6MXF31P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

66 J

-55 °C (-67 °F)

Tin

4 h

45

0.275 in (6.985 mm)

e3

250 V

3AB

0.275 x 1.288 in (6.985 x 32.72 mm)

1.288 in (32.72 mm)

CE, CSA, PSE, UL

125 °C (257 °F)

Time Lag

03121.25HX

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.25 A

End Cap

1.45 J

-55 °C (-67 °F)

Tin

100 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; KTL; PSE; UL

125 °C (257 °F)

Fast

0312.031MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

31 mA

End Cap

30 μJ

-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

0234001.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

1.975 J

-55 °C (-67 °F)

Tin

100 A

400 ms

1.975

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

0675.300MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Pin Wire

32.2 mJ

Tin Lead

50 A

4 h

0.03

Bulk

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

Slow

0674.200MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

200 mA

Pin Wire

11.4 mJ

Tin Lead

50 A

4 h

0.0114

Bulk

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

0325.010HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

10 mA

Pin Wire

1.48 mJ

-55 °C (-67 °F)

Tin

100 A

4 h

0.0014

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

125 °C (257 °F)

Time Lag

03256.25VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

6.25 A

Pin Wire

-55 °C (-67 °F)

Tin

4 h

60.4

0.275 in (6.985 mm)

e3

250 V

3AB

0.275 x 1.288 in (6.985 x 32.72 mm)

1.288 in (32.72 mm)

CE, CSA, PSE, UL

125 °C (257 °F)

Time Lag

0315.500IDMXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

-55 °C (-67 °F)

Tin

10 kA

Bulk

1.273 in (32.34 mm)

e3

1.273 x 0.275 in (32.34 x 6.98 mm)

0.275 in (6.98 mm)

CE; CSA; UL

125 °C (257 °F)

Time Lag

0326.300MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

300 mA

End Cap

1.23 J

-55 °C (-67 °F)

Nickel

100 A

5 s

Rated Breaking Capacity at 125 VDC: 10000 A

0.69

Bulk

0.25 in (6.35 mm)

250 V

3AB

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 Delay

39216300000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

160.74 J

-40 °C (-40 °F)

Matte Tin

63 A

20 ms

126

Ammo Pack; Tape

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

250 V

TE5

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

0.315 in (8 mm)

CCC; CE; CUL; KC; VDE; UL

125 °C (257 °F)

Time Lag

37308000000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

800 mA

Pin Wire

69 mJ

-40 °C (-40 °F)

Tin

50 A

5 s

Ammo Pack; Tape

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; CUL; UL

85 °C (185 °F)

Very Fast

37203150411

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

396.9 mJ

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

0.36

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

0219002

Littelfuse

Electric Fuse

Inline/Holder

250 V

2 A

End Cap

14.8 J

150 A

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

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

Time Lag

288.500

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

365 mJ

35 A

288

0.177 in (4.5 mm)

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CSA; MIL; PSE; UL

Fast

315.375

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

375 mA

Pin Wire

1.23 J

Tin/Lead

35 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

315.187

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

188 mA

Pin Wire

230 mJ

Tin/Lead

35 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

066201.6HXSL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1.6 A

Pin Wire

940 mJ

-40 °C (-40 °F)

Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

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)

CCC; KTL; PSE; UL; VDE

85 °C (185 °F)

Fast

3260.6MVXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

600 mA

End Cap

3.9 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

0326.062HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

62 mA

End Cap

27.6 mJ

-55 °C (-67 °F)

Nickel

100 A

4 h

0.0276

Bulk

0.25 in (6.35 mm)

250 V

3AB

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

0677004DRT4

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

4 A

Pin Wire

95 J

Tin Lead

40 A

Tape And Reel

0.154 in (3.9 mm)

e0

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; IEC; UL; VDE

Slow

3700500041

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

42 mJ

-40 °C (-40 °F)

Matte Tin

35 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; SEMKO; UL; VDE

85 °C (185 °F)

Fast

0203005.URG

Littelfuse

Electric Fuse

Surface Mount

250 V

5 A

Gull Wing

14.7 J

-55 °C (-67 °F)

Tin Lead

50 A

4 h

14.7

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

0263003.HRT1L

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

1.77 J

-55 °C (-67 °F)

Pure Tin

50 A

100 ms

1.77

Tape And Reel

0.155 in (3.94 mm)

250 V

Pico

0.155 x 0.28 in (3.94 x 7.11 mm)

CSA, PSE, UL

125 °C (257 °F)

Very Fast

028501.6MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.6 A

End Cap

7.168 J

-55 °C (-67 °F)

Gold

1.5 kA

10 ms

Bulk

0.205 in (5.2 mm)

e4

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)

PSE

125 °C (257 °F)

0242.040UR

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

40 mA

Wraparound

78 μJ

-40 °C (-40 °F)

Matte Tin

4 kA

Pre Arcing Time: Open within 0.002 s at 1000% Rated Current

Tape And Reel

0.119 in (3.02 mm)

e3

0.119 x 0.331 in (3.02 x 8.4 mm)

0.331 in (8.4 mm)

CUL; UL

125 °C (257 °F)

021706.3MXGP

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

3254MVXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

4 A

Pin Wire

9.71 J

-55 °C (-67 °F)

Matte Tin

400 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; PSE; UL

125 °C (257 °F)

Time Lag

239001P

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

11.296 J

-55 °C (-67 °F)

Matte Tin

35 A

239P

Bulk; Tape And Reel

0.787 in (20 mm)

e3

0.787 x 0.205 in (20 x 5.2 mm)

0.205 in (5.2 mm)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Time Lag

0215.200HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

200 mA

End Cap

340 mJ

-55 °C (-67 °F)

Tin

1.5 kA

5 ms

Bulk

0.205 in (5.2 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Time Lag

BLF12

Littelfuse

Electric Fuse

Inline/Holder

250 V

12 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; UL

Fast

03261.25MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

1.25 A

End Cap

40 J

-55 °C (-67 °F)

Nickel

100 A

5 s

Rated Breaking Capacity at 125 VDC: 10000 A

24

Bulk

0.25 in (6.35 mm)

250 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Delay

0263.250

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 mA

Pin Wire

16.5 mJ

-55 °C (-67 °F)

Tin Lead

50 A

Tape And Reel

0.145 in (3.68 mm)

e0

0.145 x 0.3 in (3.68 x 7.62 mm)

0.3 in (7.62 mm)

CSA; UL

125 °C (257 °F)

Very Fast

220501.5P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.5 A

Pin Wire

-55 °C (-67 °F)

Tin

35 A

2205P

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; UL

125 °C (257 °F)

Slow

0202.125H

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 mA

Flat

1.8 mJ

-55 °C (-67 °F)

Tin/Lead

50 A

2 s

0.0018

Bulk

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)

Fast

0219.400MRAET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

400 mA

Pin Wire

1.4 J

-55 °C (-67 °F)

150 A

1.4

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, UL, VDE

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.