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

0278001.0H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Wire

64.8 mJ

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.235 in (5.97 mm)

125 V

Micro

0.287 in (7.3 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

0473001.PAT1L

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

Ammo Pack

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

229001

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

5.64 J

-55 °C (-67 °F)

35 A

0.177 in (4.5 mm)

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; METI; PSE; UL

125 °C (257 °F)

Slow

0253001.MAT3

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

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

0259.001M

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

256 mJ

-55 °C (-67 °F)

Tin

50 A

5 s

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

0.512 in (13 mm)

e3

Pico

0.315 in (8 mm)

EN; IEC; UL

125 °C (257 °F)

Fast

0481001.VX

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

1 A

End Cap

1.82 J

-55 °C (-67 °F)

300 A

5 m

0.701 in (17.8 mm)

0.228 in (5.8 mm)

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

288001

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

2.22 J

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; METI; MIL; PSE; UL

Fast

0263001WRT1L

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

87 mJ

-55 °C (-67 °F)

Tin

50 A

Tape And Reel

0.145 in (3.68 mm)

e3

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

0251001.HAHF

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

2205001MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

-55 °C (-67 °F)

Nickel

35 A

Bulk

0.185 in (4.7 mm)

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

142.6185.410.2

Littelfuse

Electric Fuse

Inline/Holder

58 V

1 A

Tab/Blade

2 J

Tin

Rated Breaking Capacity at 58 VDC: 1000 A

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

263001HRT1

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

KLKD001.HXR

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

1 A

End Cap

8 mJ

-55 °C (-67 °F)

100 kA

4 m

0.406 in (10.31 mm)

600 V

0.394 x 1.496 in (10 x 38 mm)

1.5 x 0.406 x 1.5 in (38.1 x 10.31 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL

125 °C (257 °F)

Fast

0402SFF100F/24-2

Littelfuse

Electric Fuse

Surface Mount

24 V

1 A

Wraparound

35 A

0402SFF100F/24-2

UL

125 °C (257 °F)

Fast

0251001.PX

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

256 mJ

-55 °C (-67 °F)

Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 4 ms at 1000% Rated Current

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

80811000000

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

Ammo Pack; Tape And Reel

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

FLNR1ID

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

1 A

End Cap

200 kA

0.563 in (14.3 mm)

Indicator

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Time Delay

7945894959

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

1 A

Tab/Blade

-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)

CE, UL

125 °C (257 °F)

Time Delay

0603SFV100F/32

Littelfuse

Electric Fuse

Surface Mount

32 V

1 A

Wraparound

50 A

0.069 in (1.75 mm)

0.037 in (0.95 mm)

1 ms

0603

0.019 in (0.48 mm)

UL

Very Fast

0251001.VXL

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

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)

CSA; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0470001.DRSNP

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

148 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

5 s

Tape And Reel

0.13 in (3.3 mm)

0.062 in (1.58 mm)

e3

5 s

1206

0.13 x 0.062 x 0.046 in (3.3 x 1.58 x 1.17 mm)

0.046 in (1.17 mm)

CUL; UL

125 °C (257 °F)

Fast

0665001.HXSL

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

1931100043

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

1.4 J

-25 °C (-13 °F)

Tin

35 A

193

Tape And Reel

0.232 in (5.9 mm)

e3

10 ms

0.232 x 0.827 in (5.9 x 21 mm)

0.827 in (21 mm)

CCC; CUL; DIN; IEC; SEMKO; VDE

70 °C (158 °F)

Very Fast

201P1100000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

2 J

-25 °C (-13 °F)

Tin

80 A

Bulk

0.232 in (5.9 mm)

e3

250 V

5 ms

0.232 x 0.827 in (5.9 x 21 mm)

0.827 in (21 mm)

UL

70 °C (158 °F)

Medium Time Lag

313001

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1 A

End Cap

14 J

-55 °C (-67 °F)

Tin/Lead

35 A

5 s

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

14

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; METI; PSE; UL

125 °C (257 °F)

Slow

0213001.P

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

19.2 J

-55 °C (-67 °F)

Matte Tin

35 A

19.3

Bulk; Tape And Reel

0.205 in (5.2 mm)

Supplemental

e3

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)

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

125 °C (257 °F)

Time Lag

0251001.PXL

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

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; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

C65342-000

Littelfuse

Electric Fuse

Surface Mount

32 V

1 A

Wraparound

-55 °C (-67 °F)

50 A

Tape And Reel

0.063 in (1.6 mm)

0.031 in (0.8 mm)

0.063 x 0.031 x 0.031 in (1.6 x 0.8 x 0.8 mm)

0.031 in (0.8 mm)

UL

125 °C (257 °F)

Fast

0224001.HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

1 A

Pin Wire

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

0.57 x 0.57 in (14.48 x 14.48 mm)

0.587 in (14.9 mm)

CE, CSA, PSE, UL

125 °C (257 °F)

Fast

0251001.MAL

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

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; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

80711000440

Littelfuse

Electric Fuse

Through Hole Mount

300 V

300 V

1 A

Wire

20 kJ

-40 °C (-40 °F)

Tin

100 A

1 s

Bulk

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

300 V

0.488 x 0.252 x 0.362 in (12.4 x 6.4 x 9.2 mm)

0.362 in (9.2 mm)

IEC; CUL; PSE; UL

125 °C (257 °F)

Time Lag

4171100000

Littelfuse

Electric Fuse

Surface Mount

125 V

60 V

1 A

Wraparound

200 mJ

-55 °C (-67 °F)

50 A

Tape And Reel, Blister

0.236 in (6 mm)

0.098 in (2.5 mm)

5 s

2410

0.098 in (2.5 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0473001.MXT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

2.01 J

-55 °C (-67 °F)

Pure Tin

50 A

Bulk

0.135 in (3.43 mm)

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 Lag

318001P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

760 mJ

Matte Tin

35 A

318

0.276 in (7 mm)

e3

0.276 x 1.288 in (7 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; UL

Fast

0229001.VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

1 A

End Cap

5.64 J

-55 °C (-67 °F)

Matte Tin

35 A

Rated Breaking Capacity at 125 VDC: 10000 A

Bulk

0.177 in (4.5 mm)

e3

Indicator

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

LMF001

Littelfuse

Electric Fuse

Inline/Holder

300 V

1 A

End Cap

10 kA

0.61 in (15.49 mm)

0.61 x 1.82 in (15.49 x 46.23 mm)

1.82 in (46.23 mm)

CSA; UL

Time Delay

0217001.MXGP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

1.045 J

-55 °C (-67 °F)

35 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

0663001

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

12 J

35 A

0663

0.335 in (8.5 mm)

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CSA; IEC; SEMKO; UL; VDE

Time Lag

0452001.NRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

1.98 J

-55 °C (-67 °F)

50 A

2 ms

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

125 V

Nano

0.106 in (2.69 mm)

CSA; CUL; UL

125 °C (257 °F)

Slow

0234001.XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

2.03 J

-55 °C (-67 °F)

Nickel

35 A

Pre-Arcing Time: Open within 0.4 s, at 200% Rated Current

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)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Medium

37311000430

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

125 mJ

-40 °C (-40 °F)

Tin

50 A

5 s

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)

CSA; CUL; UL

85 °C (185 °F)

Very Fast

LLNRK001

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

1 A

End Cap

200 kA

Rated Breaking Capacity at 125 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

Time Delay

1981100043

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

9.5 J

-25 °C (-13 °F)

35 A

Tape And Reel

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

0465001.DR

Littelfuse

Electric Fuse

Surface Mount

250 V

1 A

Wraparound

2.5 J

-55 °C (-67 °F)

Silver

100 A

10 ms

2.8

Tape And Reel

0.476 in (12.1 mm)

0.177 in (4.5 mm)

e4

250 V

Nano

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

0.177 in (4.5 mm)

CE; CUL; PSE; UKCA; UL

125 °C (257 °F)

Time Lag

JLLN001.TXP

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

216001.PMRET1

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

180 mJ

-55 °C (-67 °F)

Matte Tin

1.5 kA

216P

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

125 °C (257 °F)

Fast

0665001.HXLL

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

3401100000

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

810 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

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.