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

4621125DR

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

1.25 A

Wraparound

4 J

-40 °C (-40 °F)

Tin

150 A

462

Rated Breaking Capacity at 250 VDC: 150 A

Tape And Reel

0.413 in (10.5 mm)

0.185 in (4.7 mm)

e3

10 ms

0.413 x 0.185 x 0.177 in (10.5 x 4.7 x 4.5 mm)

0.177 in (4.5 mm)

IEC; PSEJET; UL; VDE

85 °C (185 °F)

Time Lag

312001

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1 A

End Cap

760 mJ

Tin/Lead

35 A

5 s

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

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)

CSA; UL

Fast

0326.031HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

31 mA

End Cap

11 mJ

-55 °C (-67 °F)

Nickel

100 A

4 h

0.011

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

L25S3

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

3 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Fast

594004S

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

4 A

End Cap

Silver

594

e4

0662.500MALL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

500 mA

Pin Wire

90 mJ

-40 °C (-40 °F)

Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

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; KTL; PSE; UL; VDE

85 °C (185 °F)

Fast

0215008.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

8 A

Pin Wire

209.88 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

10 ms

Pre Arcing Time: Open within 10 ms at 1000% Rated Current

209.88

Bulk

0.228 in (5.8 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)

0.886 in (22.5 mm)

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

125 °C (257 °F)

Time Lag

CCMR.800T

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

800 mA

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

0677005.MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

5 A

Pin Wire

140 J

Tin Lead

50 A

140

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; IEC; UL; VDE

Slow

06621.25HXSL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1.25 A

Pin Wire

680 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

0325004.VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

4 A

Pin Wire

-55 °C (-67 °F)

Tin

4 h

9.71

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

0325.600HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

600 mA

Pin Wire

3.9 J

-55 °C (-67 °F)

Tin

100 A

4 h

3.9

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

L25S2

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

2 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Fast

21601.6XE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1.6 A

Pin Wire

1.04 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

L25S125

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

125 A

Tab/Blade

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

1.22 in (31 mm)

1.22 x 1.626 in (31 x 41.3 mm)

1.626 in (41.3 mm)

CE; CSA; UL

Very Fast

216.315XE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

315 mA

Pin Wire

15 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

594020S

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

20 A

End Cap

Silver

594

e4

0325.150VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

150 mA

Pin Wire

-55 °C (-67 °F)

Tin

4 h

0.143

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

125 °C (257 °F)

Time Lag

315.200

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

200 mA

Pin Wire

270 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

318.200

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

200 mA

Pin Wire

16.5 mJ

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

042201.5MR

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

1.5 A

Wraparound

1.62 J

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

5 s

Tape And Reel

0.246 in (6.25 mm)

0.098 in (2.5 mm)

e3

2410

0.088 in (2.24 mm)

CUL; TUV; UL

125 °C (257 °F)

Fast

04221.25MR

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

1.25 A

Wraparound

1.09 J

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

5 s

Tape And Reel

0.246 in (6.25 mm)

0.098 in (2.5 mm)

e3

2410

0.088 in (2.24 mm)

CUL; TUV; UL

125 °C (257 °F)

Fast

0422002.MR

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

2 A

Wraparound

2.85 J

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

5 s

Tape And Reel

0.246 in (6.25 mm)

0.098 in (2.5 mm)

e3

2410

0.088 in (2.24 mm)

CUL; TUV; UL

125 °C (257 °F)

Fast

0422001.MR

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

1 A

Wraparound

611 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

5 s

Tape And Reel

0.246 in (6.25 mm)

0.098 in (2.5 mm)

e3

2410

0.088 in (2.24 mm)

CUL; TUV; UL

125 °C (257 °F)

Fast

0422001.MRA

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

1 A

Wraparound

611 mJ

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.246 in (6.25 mm)

0.098 in (2.5 mm)

0.088 in (2.24 mm)

AEC-Q200; CUL; PSE; TUV; UL

125 °C (257 °F)

Fast

04221.25MRA

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

1.25 A

Wraparound

1.09 J

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.246 in (6.25 mm)

0.098 in (2.5 mm)

0.088 in (2.24 mm)

AEC-Q200; CUL; PSE; TUV; UL

125 °C (257 °F)

Fast

042201.5MRA

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

1.5 A

Wraparound

1.62 J

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.246 in (6.25 mm)

0.098 in (2.5 mm)

0.088 in (2.24 mm)

AEC-Q200; CUL; PSE; TUV; UL

125 °C (257 °F)

Fast

KLSR0004

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

4 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

Fast

KLSR0006

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

6 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

Fast

KLSR0025

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

25 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

Fast

0NLN400.X

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

400 A

Tab/Blade

1.51 MJ

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

2.094 in (53.2 mm)

Indicator

8.626 in (219.1 mm)

CE; CSA; UL

0NLN100.V

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

100 A

Tab/Blade

50 kJ

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

1.063 in (27 mm)

Indicator

5.874 in (149.2 mm)

CE; CSA; UL

KLSR0015

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

15 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

Fast

KLSR0001

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

1 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

Fast

KLSR0012

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

12 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

Fast

KLSR0020

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

Fast

0NLN600.X

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

600 A

Tab/Blade

4.846 MJ

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

2.594 in (65.9 mm)

Indicator

13.374 in (339.7 mm)

CE; CSA; UL

0NLN200.X

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

200 A

Tab/Blade

260 kJ

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

1.563 in (39.7 mm)

Indicator

7.126 in (181 mm)

CE; CSA; UL

KLSR0008

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

8 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

Fast

KLSR0030

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

30 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

Fast

KLSR0003

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

3 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

Fast

KLSR0005

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

5 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

Fast

KLSR0010

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

10 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

Fast

KLSR0002

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

2 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

Fast

D0Z14G4

Littelfuse

Electric Fuse

Inline/Holder

380 V

250 V

4 A

End Cap

50 kA

D0Z1

Rated Breaking Capacity at 250 VDC: 50000 A

0.433 in (11 mm)

Indicator

0.433 x 1.417 in (11 x 36 mm)

1.417 in (36 mm)

DIN; IEC; VDE

Fast

312.175

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

175 mA

End Cap

9.6 mJ

Tin/Lead

35 A

0.25 in (6.35 mm)

e0

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

Fast

227.032

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

32 mA

Pin Wire

50 μJ

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

0662.125HXLL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

125 mA

Pin Wire

6 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

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.