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

0473001.YXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

2.01 J

-60 °C (-76 °F)

Tin

50 A

2 ms

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

Bulk

0.135 in (3.43 mm)

e3

Pico

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Time Delay

0215001MXESPP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

1.52 J

-55 °C (-67 °F)

Tin

1.5 kA

Bulk

0.205 in (5.2 mm)

e3

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)

Time Lag

265001V

Littelfuse

Electric Fuse

1 A

Pin Wire

-55 °C (-67 °F)

Gold

300 A

4 h

0.28 in (7.11 mm)

Supplemental

e4

125 V

125 mΩ

Pico

0.28 in (7.11 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

0251001.VRL

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

3951100044

Littelfuse

Electric Fuse

Through Hole Mount

125 V

1 A

Pin Wire

130 mJ

-40 °C (-40 °F)

Matte Tin

100 A

395

Bulk

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

5 s

0.335 x 0.157 x 0.315 in (8.5 x 4 x 8 mm)

0.315 in (8 mm)

UL; METI; PSE

85 °C (185 °F)

Fast

593001

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1 A

End Cap

Nickel

593

2751100000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

94 mJ

-25 °C (-13 °F)

50 A

5 s

Rated Breaking Capacity at 125 VDC: 300 A

0.094

Tape And Reel

0.094 in (2.4 mm)

125 V

5 s

Pico

0.094 x 0.283 in (2.4 x 7.2 mm)

0.283 in (7.2 mm)

CSA, UL

70 °C (158 °F)

Fast

0218001.HXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

6.73 J

-55 °C (-67 °F)

Tin

35 A

Bulk

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; IEC; KC; PSE; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

0253001.MAL

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

0.256

Ammo Pack

0.103 in (2.61 mm)

Supplemental

e3

125 V

Pico

0.103 x 0.28 in (2.61 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0476001.MRSN

Littelfuse

Electric Fuse

Surface Mount

250 V

125 V

1 A

Wraparound

193 mJ

-55 °C (-67 °F)

Silver

100 A

1 ms

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 1 ms at 1000% Rated Current

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

Nano

0.106 in (2.69 mm)

CUL; PSE; UL

125 °C (257 °F)

Fast

0676001.DRT4

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

450 mJ

Tin Lead

35 A

0.45

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)

CCC; CSA; UL; VDE

Fast

0232001.XW

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

1.41 J

100 A

232

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

KTL; METI; PSE

Medium

02206001HXP

Littelfuse

Electric Fuse

Through Hole Mount

300 V

1 A

Pin Wire

2.22 J

-55 °C (-67 °F)

Tin

100 A

4 h

2.22

Bulk

0.185 in (4.7 mm)

e3

300 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)

Fast

326001

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

16.3 J

0.25 in (6.35 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

Slow

0603SFS100F/32-2

Littelfuse

Electric Fuse

Surface Mount

32 V

1 A

End Cap

90 mJ

40 A

Rated Breaking Capacity at 32 VDC: 40 A

UL

125 °C (257 °F)

Slow

040011000075

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

9.63 J

-40 °C (-40 °F)

Tin

130 A

20 ms

Bulk

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

TE5

0.315 in (8 mm)

CQC; CUL; KTL; PSE; UL; VDE

85 °C (185 °F)

Time Lag

KLKD001R

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)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL

125 °C (257 °F)

Fast

0263001.WRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

87 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Tape And Reel

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

0318001.HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

760 mJ

-55 °C (-67 °F)

Matte Tin

35 A

5 s

Tape And Reel

0.275 in (6.99 mm)

e3

3AG

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Fast

0213001.

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

19.2 J

-55 °C (-67 °F)

Nickel

35 A

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; PSE; SEMKO; UL

125 °C (257 °F)

Time Lag

0251001.PXT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

256 mJ

-55 °C (-67 °F)

Pure 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)

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

0233001.

Littelfuse

Electric Fuse

Inline/Holder

125 V

1 A

End Cap

1.977 J

-55 °C (-67 °F)

Nickel

10 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)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Medium

0664001.HXSL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

4.4 J

-40 °C (-40 °F)

Tin

100 A

664

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; CSA; KTL; METI; PSE; UL; VDE

85 °C (185 °F)

Time Lag

262001

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

1 A

Tab/Blade

-55 °C (-67 °F)

Gold

10 kA

Rated Breaking Capacity at 125 VDC: 10000 A

0.235 in (5.97 mm)

e4

0.235 x 0.29 in (5.97 x 7.37 mm)

0.29 in (7.37 mm)

CSA; UL

125 °C (257 °F)

Very Fast

3721100010

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

5.5 J

Matte Tin

35 A

Bulk

0.335 in (8.5 mm)

e3

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; IEC; KTL; METI; PSE; SEMKO; UL; VDE

0253001.MA

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

256 mJ

-55 °C (-67 °F)

50 A

4 ms

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

Ammo Pack

0.103 in (2.61 mm)

125 V

Pico

0.28 in (7.11 mm)

CCC; CSA; CUL; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0314001.MX52LP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

690 mJ

-55 °C (-67 °F)

Nickel

100 A

0.69

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)

Fast

0388001.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

-55 °C (-67 °F)

Tin

100 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; PSE

125 °C (257 °F)

0874001.MRET1P

Littelfuse

Electric Fuse

1 A

Pin Wire

-55 °C (-67 °F)

Tin

50 A

4 h

0.406

Tape And Reel

0.142 in (3.6 mm)

e3

250 V

0.142 x 0.394 in (3.6 x 10 mm)

0.394 in (10 mm)

UL

125 °C (257 °F)

Fast

0215001.MX

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

1.52 J

-55 °C (-67 °F)

Tin

1.5 kA

Pre Arcing Time: Open within 10 ms at 1000%

Bulk

0.205 in (5.2 mm)

e3

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Time Lag

R251001T1

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

1 A

Pin Wire

256 mJ

-55 °C (-67 °F)

50 A

R251

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.095 in (2.41 mm)

0.095 x 0.28 in (2.41 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0251001.NRHF

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

1951100000

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

11 J

-25 °C (-13 °F)

35 A

20 ms

Bulk

0.205 in (5.2 mm)

250 V

20 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)

BSI, CCEE, IMQ, MITI, SEMKO, UL, VDE

70 °C (158 °F)

Time Lag

1911100000

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

1.7 J

-25 °C (-13 °F)

35 A

Bulk

0.205 in (5.2 mm)

5 s

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CUL; UL

70 °C (158 °F)

Very Fast

142.6185.4106

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

1671100100

Littelfuse

Electric Fuse

Inline/Holder

32 V

1 A

Tab/Blade

860 mJ

-40 °C (-40 °F)

1 kA

Bulk

0.469 in (11.9 mm)

0.15 in (3.8 mm)

20 ms

0.335 in (8.5 mm)

85 °C (185 °F)

Very Fast

SPXC001.HXR

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

1 A

End Cap

290 mJ

15 kA

4 m

Bulk

0.406 in (10.31 mm)

0.394 x 2.244 in (10 x 57 mm)

2.252 in (57.2 mm)

CE; UL

Fast

0665001.

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

3731100041

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

125 mJ

-40 °C (-40 °F)

Matte Tin

50 A

373

Bulk

0.335 in (8.5 mm)

e3

5 s

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CSA; UL

85 °C (185 °F)

Fast

0253001.MXL

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

0.256

Bulk

0.103 in (2.61 mm)

Supplemental

e3

125 V

Pico

0.103 x 0.28 in (2.61 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0473001.YAT1L

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

0216001VXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

180 mJ

-55 °C (-67 °F)

Tin

1.2 kA

Bulk

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

3821100041

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

3 J

-40 °C (-40 °F)

Matte Tin

100 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; IEC; KTL; PSE; SEMKO; UL; VDE

85 °C (185 °F)

Time Lag

BLF001.

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

10 kA

0.406 in (10.31 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Fast

0251001.PXT1L

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

0466001.

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1 A

Wraparound

42.3 mJ

-55 °C (-67 °F)

Matte Tin with Nickel barrier

50 A

200 ms

Pre Arcing Time: Open within 0.2 s at 300% Rated Current

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e3

63 V

1206

0.125 x 0.06 x 0.023 in (3.18 x 1.52 x 0.58 mm)

0.023 in (0.58 mm)

CSA; UL

90 °C (194 °F)

Very Fast

0471001.PRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

722 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Tape And Reel

0.11 in (2.8 mm)

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

0219001.A

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

19.2 J

150 A

219A

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

BSI; CCC; CSA; IEC; KTL; METI; PSE; SEMKO; UL; VDE

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.