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

0263001.WRT1L

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

87 mJ

-55 °C (-67 °F)

Tin

50 A

100 ms

0.087

Tape And Reel

0.155 in (3.94 mm)

e3

250 V

Pico

0.155 x 0.28 in (3.94 x 7.11 mm)

CSA, PSE, UL

125 °C (257 °F)

Very Fast

0471001.NAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

722 mJ

-55 °C (-67 °F)

Tin

50 A

Ammo Pack

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; UL

125 °C (257 °F)

Time Lag

0263001.HXT1HF

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

87 mJ

-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

0473001.YRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

2.01 J

-60 °C (-76 °F)

Matte Tin

50 A

2 ms

Pre Arcing Time: Blow within 0.002 s at 800% Rated Current

2.01

Tape And Reel

0.135 in (3.43 mm)

e3

125 V

Pico

0.135 x 0.28 in (3.43 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Time Delay

0216001.P

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

180 mJ

-55 °C (-67 °F)

Matte Tin

1.5 kA

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; KTL; PSE; SEMKO; UL; VDE

125 °C (257 °F)

Fast

0230001.DRT1SSP

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

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

0332001.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

146 mJ

-55 °C (-67 °F)

100 A

200 ms

Rated Breaking Capacity at 125 VDC: 100 A

0.1

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; CUL; PSE; UL

125 °C (257 °F)

Very Fast

0157001DR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

459 mJ

-55 °C (-67 °F)

Matte Tin

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e3

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

PSE; UL

125 °C (257 °F)

Very Fast

4191100000

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

End Cap

420 mJ

-65 °C (-85 °F)

Silver

50 A

Tape And Reel

0.24 in (6.1 mm)

0.109 in (2.77 mm)

e4

5 s

0.24 x 0.109 x 0.109 in (6.1 x 2.77 x 2.77 mm)

0.109 in (2.77 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0225001.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

1 A

End Cap

2.22 J

-55 °C (-67 °F)

Tin

35 A

1 s

Rated Breaking Capacity at 125 VDC: 10000 A

2.22

Bulk

0.189 in (4.8 mm)

e3

250 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)

Fast

0251001.NXT1L

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

0263001.MRT1L

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

87 mJ

-55 °C (-67 °F)

Pure Tin

50 A

100 ms

0.087

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

3721100041

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

5.5 J

-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; KTL; PSE; SEMKO; UL; VDE

85 °C (185 °F)

Time Lag

263001WRT1

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

87 mJ

-55 °C (-67 °F)

50 A

4 h

0.087

Tape And Reel

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

215001XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

1.05 J

-55 °C (-67 °F)

Nickel

1.5 kA

215

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; SEV; SEMKO; UL

125 °C (257 °F)

Time Lag

JLLN001.T

Littelfuse

Electric Fuse

Inline/Holder

300 V

160 V

1 A

End Cap

200 kA

Rated Breaking Capacity at 160 VDC: 50000 A

0.406 in (10.3 mm)

300 V

0.874 in (22.2 mm)

CE; CSA; CUL; UL

Fast

0664001.

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

4.4 J

-40 °C (-40 °F)

Tin

100 A

664

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

0216001MRET3

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

180 mJ

-55 °C (-67 °F)

Tin

1.2 kA

Tape And Reel

0.228 in (5.8 mm)

e3

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

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

125 °C (257 °F)

Fast

7945816031

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

1 A

End Cap

-55 °C (-67 °F)

10 kA

Rated Breaking Capacity at 300 VDC: 10000 A

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

125 °C (257 °F)

Time Delay

0318001.P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

760 mJ

-55 °C (-67 °F)

Matte Tin

35 A

318

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

263001MRT1

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

87 mJ

-55 °C (-67 °F)

50 A

4 h

0.087

Tape And Reel

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

0674001.DRT4

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

506 mJ

Tin Lead

50 A

4 h

0.5

Tape And Reel

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

0313001.VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

14 J

-55 °C (-67 °F)

Nickel

35 A

Bulk

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; PSE; UL

125 °C (257 °F)

Time Lag

0407001.WR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1 A

Wraparound

142 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

2 ms

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

63 V

360 mΩ

1206

0.033 in (0.835 mm)

UL

150 °C (302 °F)

Time Lag

3431100000

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

19 J

-25 °C (-13 °F)

100 A

Bulk

0.248 in (6.3 mm)

5 s

0.248 x 1.26 in (6.3 x 32 mm)

1.26 in (32 mm)

CSA; UL

70 °C (158 °F)

Time Delay

02205001MXP

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.PXT1HF

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

Bulk

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

0665001.MALL

Littelfuse

Electric Fuse

1 A

-40 °C (-40 °F)

50 A

4 h

6.85

0.335 in (8.5 mm)

250 V

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CSA, UL

85 °C (185 °F)

Time Lag

324001P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

1 A

Pin Wire

690 mJ

Matte Tin

100 A

324P

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

Fast

0216001MXESPP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1 A

Pin Wire

180 mJ

-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

0436001.

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

1 A

Wraparound

2.606 J

-55 °C (-67 °F)

Tin Lead

100 A

436

0.59 in (14.99 mm)

0.2 in (5.08 mm)

e0

0.59 x 0.2 x 0.095 in (14.99 x 5.08 x 2.41 mm)

0.095 in (2.41 mm)

CSA; UL

125 °C (257 °F)

FLSR1ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 A

End Cap

200 kA

0.811 in (20.6 mm)

Indicator

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

0251001.HRT1L

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

Pre-Arcing Time: Open within 4 ms at 1000% Rated Current

Tape And Reel

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; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

LCJ1E-4

Littelfuse

Electric Fuse

Inline/Holder

25.8 KV

1 A

End Cap

43.5 kA

LCJ

1.563 in (39.69 mm)

1.563 x 17.5 in (39.69 x 444.5 mm)

17.5 in (444.5 mm)

Medium

0239001.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

11.295 J

-55 °C (-67 °F)

Nickel

35 A

4 h

11.295

Bulk

0.205 in (5.2 mm)

Supplemental

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; CSA; KC; PSE; UL

125 °C (257 °F)

Time Lag

3981100000

Littelfuse

Electric Fuse

Through Hole Mount

65 V

65 V

1 A

Pin Wire

1.1 J

-40 °C (-40 °F)

Tin

50 A

Rated Breaking Capacity at 65 VDC: 50 A

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

65 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)

Medium Time Lag

SPXV001.LXS

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

1 A

End Cap

270 mJ

30 kA

4 m

Bulk

0.406 in (10.31 mm)

3.333 in (84.65 mm)

CE; CUL; IEC; UL

Fast

80811000075

Littelfuse

Electric Fuse

Through Hole Mount

250 V

450 V

1 A

Pin Wire

6.6 mJ

-40 °C (-40 °F)

Tin

100 A

4 h

Rated Breaking Capacity at 450 VDC: 10000 A

0.0066

Bulk

0.35 in (8.9 mm)

0.183 in (4.65 mm)

e3

250 V

TE5

0.35 x 0.183 x 0.348 in (8.9 x 4.65 x 8.85 mm)

0.348 in (8.85 mm)

UL

125 °C (257 °F)

Fast

0216001.MRET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

180 mJ

-55 °C (-67 °F)

Matte Tin

1.5 kA

0.18

Tape And Reel

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)

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

125 °C (257 °F)

Fast

228001

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

3.33 J

35 A

228

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; CSA; IEC; SEMKO; UL; VDE

Time Lag

0230001.DRT1P

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

4 h

Rated Breaking Capacity at 125 VDC: 10000 A

5.64

Tape And Reel

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; PSE; UL

125 °C (257 °F)

Time Lag

0436001.PR

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

1 A

Wraparound

2.606 J

-55 °C (-67 °F)

Tin Lead

100 A

436

Tape And Reel

0.59 in (14.99 mm)

0.2 in (5.08 mm)

e0

0.59 x 0.2 x 0.095 in (14.99 x 5.08 x 2.41 mm)

0.095 in (2.41 mm)

CSA; UL

125 °C (257 °F)

0481001

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

1 A

End Cap

Tin/Lead

300 A

481

Rated Breaking Capacity at 125 VDC: 200 A

e0

Alarm

CSA; UL

0251001.NAHF

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

Ammo Pack

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

1E-6PT-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

1 A

End Cap

37.5 kA

1.563 in (39.69 mm)

1.563 x 7.4 in (39.69 x 187.96 mm)

7.4 in (187.96 mm)

Medium

0471001.NRT1

Littelfuse

Electric Fuse

1 A

722 mJ

-55 °C (-67 °F)

50 A

4 h

Tape And Reel

0.095 in (2.41 mm)

125 V

Pico

0.095 x 0.28 in (2.41 x 7.11 mm)

0.28 in (7.11 mm)

CSA, PSE, UL

125 °C (257 °F)

Time Lag

0SLC001.T

Littelfuse

Electric Fuse

1 A

End Cap

100 kA

0.406 in (10.3 mm)

G

600 V

0.406 x 1.311 in (10.3 x 33.3 mm)

1.311 in (33.3 mm)

CSA, UL

Medium

0213001.MXGP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

19.2 J

-55 °C (-67 °F)

35 A

19.2

0.205 in (5.2 mm)

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)

BSI, CCC, CE, CSA, PSE, 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.