250 V Fuses 1,253

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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

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

315.062

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

63 mA

Pin Wire

21 mJ

Tin Lead

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

021601.6MXESPP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1.6 A

Pin Wire

1.005 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

326010

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

10 A

End Cap

137 J

-55 °C (-67 °F)

400 A

5 s

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

137

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)

CSA; UL

125 °C (257 °F)

Slow

216.630XE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

630 mA

Pin Wire

97 mJ

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)

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

Fast

CCMR008.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

8 A

End Cap

200 kA

CCMR

Rated Breaking Capacity at 250 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

227.250

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

250 mA

Pin Wire

43 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)

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

Fast

0325015.VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

15 A

Pin Wire

-55 °C (-67 °F)

Tin

4 h

245

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

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

CCMR010.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

10 A

End Cap

200 kA

CCMR

Rated Breaking Capacity at 250 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

313005

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

5 A

End Cap

140 J

-55 °C (-67 °F)

Tin/Lead

200 A

5 s

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

140

0.25 in (6.35 mm)

Supplemental

e0

250 V

21.4 mΩ

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; METI; PSE; UL

125 °C (257 °F)

Slow

313.100

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

100 mA

End Cap

85 mJ

-55 °C (-67 °F)

Tin/Lead

35 A

5 s

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

0.085

0.25 in (6.35 mm)

e0

250 V

3AG

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)

Slow

KLB35

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

35 A

Tab/Blade

200 kA

KLB

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 1.626 in (20.6 x 41.3 mm)

1.626 in (41.3 mm)

CSA; UL

Fast

0325.400HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

400 mA

Pin Wire

1.33 J

-55 °C (-67 °F)

Tin

100 A

4 h

1.33

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; CSA; UL

125 °C (257 °F)

Time Lag

0326012.MXDP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

12 A

End Cap

-55 °C (-67 °F)

Nickel

1.5 kA

4 h

445

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 Lag

032601.6VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1.6 A

End Cap

-55 °C (-67 °F)

Nickel

4 h

45

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 Lag

3132.25

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

2.25 A

End Cap

121 J

-55 °C (-67 °F)

Tin/Lead

100 A

4 h

121

0.25 in (6.35 mm)

Supplemental

e0

250 V

96.8 mΩ

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; METI; PSE; UL

125 °C (257 °F)

Slow

0326001.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1 A

End Cap

16.3 J

-55 °C (-67 °F)

Nickel

100 A

4 h

16.3

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 Lag

2CM125

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

125 A

Tab/Blade

200 kA

2CM

Rated Breaking Capacity at 250 VDC: 80000 A

1.614 in (41 mm)

1.614 x 3.031 in (41 x 77 mm)

3.031 in (77 mm)

CSA

CCMR045.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

0.85 in (21.6 mm)

600 V

1.882 in (47.8 mm)

CE; CSA; UL

Time Delay

0662002

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

2 A

Pin Wire

1.33 J

-40 °C (-40 °F)

Matte Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

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

312.125

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

125 mA

End Cap

2.89 mJ

Tin Lead

35 A

4 h

0.0029

0.25 in (6.35 mm)

Supplemental

e0

250 V

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

Fast

L25S012

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

12 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.563 in (14.3 mm)

2 in (50.8 mm)

CE; CSA; UL

Very Fast

0326.187MXCCP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

187 mA

End Cap

-55 °C (-67 °F)

4 h

0.23

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

226.800

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

800 mA

Pin Wire

180 mJ

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)

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

Fast

0326.800VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

800 mA

End Cap

-55 °C (-67 °F)

Nickel

4 h

8.2

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 Lag

203002G

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

2 A

Gull Wing

1.7 J

-55 °C (-67 °F)

Tin/Lead

50 A

Tape And Reel

0.372 in (9.45 mm)

0.25 in (6.35 mm)

e0

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

0326.175HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

175 mA

End Cap

220 mJ

-55 °C (-67 °F)

Nickel

100 A

4 h

0.22

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

313.187

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

188 mA

End Cap

230 mJ

-55 °C (-67 °F)

Tin/Lead

35 A

4 h

0.23

0.25 in (6.35 mm)

Supplemental

e0

250 V

8.01 Ω

3AG

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)

Slow

032602.8HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

2.8 A

End Cap

170 J

-55 °C (-67 °F)

Nickel

100 A

4 h

170

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; KC; PSE; UL

125 °C (257 °F)

Time Lag

L25S50

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

50 A

Tab/Blade

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 1.626 in (20.6 x 41.3 mm)

1.626 in (41.3 mm)

CSA; UL

Fast

0325030.HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

30 A

Pin Wire

1.69 kJ

-55 °C (-67 °F)

Tin

400 A

4 h

1690

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; CSA; PSE; UL

125 °C (257 °F)

Time Lag

0326004.VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

4 A

End Cap

-55 °C (-67 °F)

Nickel

4 h

9.71

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 Lag

2CM250

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

250 A

Tab/Blade

200 kA

2CM

Rated Breaking Capacity at 250 VDC: 80000 A

2.283 in (58 mm)

2.283 x 3.189 in (58 x 81 mm)

3.189 in (81 mm)

CSA

F02B250V2AS

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

2 A

End Cap

-55 °C (-67 °F)

Silver

35 A

0.25 in (6.35 mm)

e4

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

MIL-PRF-15160/2

85 °C (185 °F)

NLN350

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

350 A

Tab/Blade

50 kA

Rated Breaking Capacity at 250 VDC; 50000

2.094 in (53.2 mm)

2.094 x 4.878 in (53.2 x 123.9 mm)

4.878 in (123.9 mm)

CSA; UL

22601.6

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1.6 A

Pin Wire

1.04 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

594001S

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1 A

End Cap

Silver

594

e4

NLN300

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

300 A

Tab/Blade

50 kA

Rated Breaking Capacity at 250 VDC; 50000

2.094 in (53.2 mm)

2.094 x 4.878 in (53.2 x 123.9 mm)

4.878 in (123.9 mm)

CSA; UL

0326012.MXCCP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

12 A

End Cap

-55 °C (-67 °F)

4 h

129

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, TUV, UL

125 °C (257 °F)

Time Lag

594025

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

25 A

End Cap

Nickel

594

0326.100VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

100 mA

End Cap

-55 °C (-67 °F)

Nickel

4 h

0.087

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

2CM400

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

400 A

Tab/Blade

200 kA

2CM

Rated Breaking Capacity at 250 VDC: 80000 A

2.283 in (58 mm)

2.283 x 3.189 in (58 x 81 mm)

3.189 in (81 mm)

CSA

31801.8

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1.8 A

Pin Wire

3.85 J

Tin Lead

35 A

0.276 in (7 mm)

e0

0.276 x 1.275 in (7 x 32.39 mm)

1.275 in (32.39 mm)

CSA; UL

Fast

2CC250

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

250 A

Tab/Blade

200 kA

2CC

Rated Breaking Capacity at 250 VDC: 80000 A

2.283 in (58 mm)

2.283 x 3.189 in (58 x 81 mm)

3.189 in (81 mm)

CSA

0325.200HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

200 mA

Pin Wire

213 mJ

-55 °C (-67 °F)

Tin

100 A

4 h

0.213

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

216.200

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

200 mA

End Cap

4.38 mJ

-55 °C (-67 °F)

Nickel

1.5 kA

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; SEMKO; UL

125 °C (257 °F)

Fast

216004XE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

4 A

Pin Wire

15.4 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

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.