1 A Fuses 1,451

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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

02171.0MRET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

1.045 J

-55 °C (-67 °F)

35 A

10 ms

Pre Arcing Time: Open within 10 ms at 400% Rated Current

Tape And Reel

0.217 in (5.5 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.846 in (21.5 mm)

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

125 °C (257 °F)

Fast

02171.0HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

1.045 J

-55 °C (-67 °F)

35 A

10 ms

Pre Arcing Time: Open within 10 ms at 400% Rated Current

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Fast

02171.0MXBP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

1.045 J

-55 °C (-67 °F)

35 A

10 ms

Pre Arcing Time: Open within 10 ms at 400% Rated Current

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Fast

0251001.HXT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

256 mJ

-55 °C (-67 °F)

Tin

50 A

4 ms

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

0.11 in (2.8 mm)

e3

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

02205001HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

5.64 J

-55 °C (-67 °F)

Tin

35 A

4 h

Bulk

0.185 in (4.7 mm)

e3

250 V

2AG

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)

Time Lag

0251001.VRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

256 mJ

-55 °C (-67 °F)

Matte Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.11 in (2.8 mm)

e3

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

230001M

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

5.64 J

-55 °C (-67 °F)

Tin/Lead

35 A

4 h

5.6

Bulk

0.185 in (4.7 mm)

e0

250 V

212 mΩ

2AG

0.185 x 0.57 in (4.7 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; METI; PSE; UL

125 °C (257 °F)

Slow

0230001.

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

35 A

0230

Joule Integral Nom at Rated Volatge(DC): 5.64

CSA; PSE; UL

Slow

80411000440

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Wire

20 J

-40 °C (-40 °F)

Matte Tin

150 A

1 s

Bulk

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

250 V

TE7

0.488 x 0.252 x 0.386 in (12.4 x 6.4 x 9.8 mm)

0.362 in (9.2 mm)

CQC; IEC; VDE; PSE

125 °C (257 °F)

Time Lag

203001

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

328 mJ

-55 °C (-67 °F)

Tin/Lead

50 A

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

216001

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1 A

End Cap

180 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; KTL; PSE; SEMKO; UL

125 °C (257 °F)

Fast

4201100000

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

1.6 J

-40 °C (-40 °F)

50 A

Blister Tape

0.24 in (6.1 mm)

0.106 in (2.7 mm)

1 s

2410

0.106 in (2.7 mm)

85 °C (185 °F)

Time Lag

0301001.M

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

1 A

End Cap

Bulk

0.25 in (6.35 mm)

32 V

1AG

0.625 in (15.87 mm)

Normal

0251001.MRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

256 mJ

-55 °C (-67 °F)

Matte Tin

50 A

251

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.11 in (2.8 mm)

e3

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

02200044MXP

Littelfuse

Electric Fuse

Inline/Holder

350 V

1 A

End Cap

2.22 J

-55 °C (-67 °F)

Tin

100 A

1 s

2.22

Bulk

0.189 in (4.8 mm)

Supplemental

e3

350 V

2AG

0.177 x 0.57 in (4.5 x 14.48 mm)

0.587 in (14.9 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

0448001.NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

End Cap

441 mJ

-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; METI; PSE; UL

125 °C (257 °F)

Very Fast

0219001.XAP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

19.2 J

-55 °C (-67 °F)

Tin

150 A

Bulk; Tape And Reel

0.205 in (5.2 mm)

e3

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; CSA; IEC; PSE; SEMKO; VDE

125 °C (257 °F)

Time Lag

F03B250V1AS

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

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-15160/3

0229001.

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

35 A

0229

Joule Integral Nom at Rated Volatge(DC): 5.64

CSA; PSE; UL

Slow

0664001.ZRLL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

4.4 J

-40 °C (-40 °F)

Tin

100 A

664

Tape And Reel

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

0465001.

Littelfuse

Electric Fuse

Surface Mount

250 V

1 A

End Cap

2.8 J

-55 °C (-67 °F)

Silver

100 A

Joule Integral Nom at Rated Voltage(DC): 2.8

Tape And Reel

0.476 in (12.1 mm)

0.177 in (4.5 mm)

e4

0.476 x 0.177 x 0.177 in (12.1 x 4.5 x 4.5 mm)

0.177 in (4.5 mm)

METI; PSE; UL

125 °C (257 °F)

Time Lag

0251001.PAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

256 mJ

-55 °C (-67 °F)

Tin

50 A

4 ms

Rated Breaking Capacity at 125 VDC: 300 A

Ammo Pack

0.11 in (2.8 mm)

e3

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0278001.H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

64.8 mJ

-55 °C (-67 °F)

Tin

10 kA

4 h

Bulk

0.235 in (5.97 mm)

e3

125 V

Micro

0.235 x 0.287 in (5.97 x 7.3 mm)

0.287 in (7.3 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

0234001

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

2.03 J

100 A

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CSA; KTL; PSE; UL

Medium

0230001.MXF1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

1 A

Pin Wire

5.64 J

-55 °C (-67 °F)

Matte Tin

35 A

Rated Breaking Capacity at 125 VDC: 10000 A

Bulk

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

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

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

272001.H

Littelfuse

Electric Fuse

1 A

-55 °C (-67 °F)

10 kA

4 h

0.064

0.235 in (5.97 mm)

125 V

Micro

0.235 x 0.287 in (5.97 x 7.3 mm)

0.287 in (7.3 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

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

39611000000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

1 A

Pin Wire

2.2 J

-40 °C (-40 °F)

Matte Tin

100 A

1 m

2.2

Ammo Pack; Tape And Reel

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)

Time Lag

1811100040

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

1 J

-25 °C (-13 °F)

1.5 kA

Bulk

0.213 in (5.4 mm)

10 ms

0.197 x 0.787 in (5 x 20 mm)

0.827 in (21 mm)

BSI; CUL; IEC; IMQ; MITI; SEMKO; SEV; UL; VDE

70 °C (158 °F)

Time Lag

0312001HX

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

760 mJ

-55 °C (-67 °F)

Tin

35 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; KTL; PSE; UL

125 °C (257 °F)

Fast

276001

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

-55 °C (-67 °F)

50 A

276

Rated Breaking Capacity at 125 VDC: 300 A

0.093 in (2.36 mm)

0.093 x 0.28 in (2.36 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

02206001.MXP

Littelfuse

Electric Fuse

1 A

Pin Wire

-55 °C (-67 °F)

Tin

100 A

4 h

2.22

0.57 in (14.48 mm)

Supplemental

e3

300 V

2AG

0.57 in (14.48 mm)

CSA; UL

125 °C (257 °F)

Fast

0435001.KRHF

Littelfuse

Electric Fuse

Surface Mount

32 V

1 A

Wraparound

20 mJ

-55 °C (-67 °F)

Matte Tin with Nickel barrier

35 A

4 h

Rated Breaking Capacity at 32 VDC: 35 A, Joule Integral Nom at 32 VDC: 0.0200

0.02

Tape And Reel

0.041 in (1.04 mm)

0.022 in (0.56 mm)

e3

32 V

Nano

0.041 x 0.022 x 0.015 in (1.04 x 0.56 x 0.38 mm)

0.015 in (0.38 mm)

CSA; UL

90 °C (194 °F)

Very Fast

236001

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

480 mJ

236

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

Fast

38511000000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

1 A

Pin Wire

4.5 J

-40 °C (-40 °F)

50 A

2 h

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

0.157 in (4 mm)

125 V

TE5

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)

Time Lag

0263001.WAT1HF

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

87 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Ammo Pack

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

A57655-000

Littelfuse

Electric Fuse

Surface Mount

24 V

1 A

Wraparound

35 A

UL

125 °C (257 °F)

Fast

R459001

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

281 mJ

-55 °C (-67 °F)

Matte Tin

50 A

4 h

Rated Breaking Capacity at 125 VDC: 300 A

0.281

Tape And Reel

0.285 in (7.24 mm)

0.17 in (4.32 mm)

e3

125 V

125 mΩ

Pico

0.285 x 0.17 x 0.12 in (7.24 x 4.32 x 3.05 mm)

0.12 in (3.05 mm)

CSA; UL

125 °C (257 °F)

Very Fast

221001

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1 A

Pin Wire

1.05 J

1.5 kA

10 ms

0.207 in (5.25 mm)

0.197 x 0.787 in (5 x 20 mm)

0.886 in (22.5 mm)

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

Time Lag

1981100040

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

9.5 J

-25 °C (-13 °F)

35 A

Bulk

0.213 in (5.4 mm)

5 s

0.197 x 0.787 in (5 x 20 mm)

0.827 in (21 mm)

CSA; UL

70 °C (158 °F)

Time Delay

0677001MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1 A

Pin Wire

6.95 J

Tin Lead

35 A

Bulk

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

162.6185.4106

Littelfuse

Electric Fuse

Inline/Holder

32 V

1 A

Tab/Blade

2 J

Tin

1 kA

162

Rated Breaking Capacity at 32 VDC: 1000 A

Bulk

0.748 in (19 mm)

0.197 in (5 mm)

e3

0.748 x 0.197 x 0.52 in (19 x 5 x 13.2 mm)

0.52 in (13.2 mm)

UL

0253001T

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

256 mJ

-55 °C (-67 °F)

Tin

50 A

253

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.095 in (2.41 mm)

e3

0.095 x 0.28 in (2.41 x 7.11 mm)

0.28 in (7.11 mm)

CSA; METI; PSE; QPL; UL

125 °C (257 °F)

Very Fast

431001

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

1 A

Wraparound

21 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

50 A

431

Rated Breaking Capacity at 32 VDC: 50 A

0.063 in (1.6 mm)

0.031 in (0.79 mm)

e0

0.063 x 0.031 x 0.018 in (1.6 x 0.79 x 0.46 mm)

0.018 in (0.46 mm)

CSA; UL

90 °C (194 °F)

Very Fast

KLC1

Littelfuse

Electric Fuse

Inline/Holder

600 V

1 A

Tab/Blade

200 kA

0.563 in (14.3 mm)

0.563 x 1.874 in (14.3 x 47.6 mm)

1.874 in (47.6 mm)

CSA; UL

Fast

0TLS001.TXLS

Littelfuse

Electric Fuse

Inline/Holder

170 V

1 A

Tab/Blade

100 kA

Bulk

0.563 in (14.3 mm)

170 V

0.563 x 0.877 in (14.3 x 22.27 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

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.