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

1911100002

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

0251001.PAHF

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

80711000000

Littelfuse

Electric Fuse

Through Hole Mount

300 V

300 V

1 A

Wire

20 kJ

-40 °C (-40 °F)

Tin

100 A

1 s

Ammo Pack

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

0263001.VRT1L

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

374110041

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

2.1 J

-40 °C (-40 °F)

Matte Tin

50 A

1 m

Bulk

0.335 in (8.5 mm)

e3

TR5

0.315 in (8 mm)

CSA; UL

85 °C (185 °F)

Time Lag

273001

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

1 A

Tab/Blade

64.8 mJ

-55 °C (-67 °F)

10 kA

2 s

Pre Arcing Time: Open within 2 s at 200% Rated Current

0.25 in (6.35 mm)

125 V

Micro

0.25 x 0.35 in (6.35 x 8.89 mm)

0.35 in (8.89 mm)

CSA; UL

85 °C (185 °F)

Very Fast

0451001.NRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

602.9 mJ

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

125 V

Nano

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

0.106 in (2.69 mm)

CE; CSA; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

TLN1

Littelfuse

Electric Fuse

Inline/Holder

170 V

1 A

End Cap

Rated Breaking Capacity at 170 VDC: 100000 A

0.563 in (14.3 mm)

0.563 x 1.843 in (14.3 x 46.8 mm)

1.843 in (46.8 mm)

UL

Fast

0217001.MXBP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

1.045 J

-55 °C (-67 °F)

Nickel

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

0253001.MRL

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

Tape And Reel

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

0277001V

Littelfuse

Electric Fuse

125 V

125 V

1 A

277

235001XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

480 mJ

-55 °C (-67 °F)

Tin

35 A

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; KTL; PSE; UL

125 °C (257 °F)

Fast

215001.XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

1.52 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

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

Bulk

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; CUL; IEC; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

L15S1

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

1 A

End Cap

100 kA

Rated Breaking Capacity at 150 VDC: 20000 A

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Fast

313001ID

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

14 J

35 A

0.25 in (6.35 mm)

Indicator

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; METI; PSE; UL

Slow

0253001.NAT3L

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

0.11 in (2.8 mm)

Supplemental

e3

125 V

Pico

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

0266001.V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

1 A

Pin Wire

-55 °C (-67 °F)

Gold

50 A

1 s

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

0.093 in (2.36 mm)

e4

Pico

0.093 x 0.28 in (2.36 x 7.11 mm)

0.28 in (7.11 mm)

CSA; QPL

125 °C (257 °F)

Very Fast

0464001.

Littelfuse

Electric Fuse

Surface Mount

250 V

1 A

End Cap

800 mJ

-55 °C (-67 °F)

Silver

100 A

Joule Integral Nom at 32 VDC: 0.8

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)

Fast

0230001.ERT1P

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

0257001PXPV

Littelfuse

Electric Fuse

Inline/Holder

32 V

1 A

Tab/Blade

400 mJ

-40 °C (-40 °F)

Tin

1 kA

0257

Rated Breaking Capacity at 32 VDC: 1000 A

Bulk

0.75 in (19.05 mm)

0.2 in (5.08 mm)

e3

0.75 x 0.2 x 0.48 in (19.05 x 5.08 x 12.19 mm)

0.48 in (12.19 mm)

UL

105 °C (221 °F)

0433001.DR

Littelfuse

Electric Fuse

Surface Mount

250 V

1 A

End Cap

10.17 J

-55 °C (-67 °F)

Silver

50 A

433

Tape And Reel

0.398 in (10.1 mm)

e4

0.398 x 0.123 in (10.1 x 3.12 mm)

0.123 in (3.12 mm)

UL

125 °C (257 °F)

Time Lag

215001.P

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

2.36 J

-55 °C (-67 °F)

Nickel

1.5 kA

215P

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; KTL; PSE; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

LCE1E-4

Littelfuse

Electric Fuse

Inline/Holder

4.8 KV

1 A

End Cap

50 kA

LCE

0.813 in (20.64 mm)

0.813 x 5.6 in (20.64 x 142.24 mm)

5.6 in (142.24 mm)

Medium

LLSRK001

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

0662001.

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1 A

Pin Wire

330 mJ

-40 °C (-40 °F)

Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

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

0251001.HRL

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

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; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

02206001MXP

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

37411000000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

3.1 J

-40 °C (-40 °F)

Matte Tin

50 A

1 m

Ammo Pack

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, UL

85 °C (185 °F)

Time Lag

0208001.MXE

Littelfuse

Electric Fuse

1 A

Pin Wire

2.22 J

-55 °C (-67 °F)

100 A

0.189 in (4.8 mm)

350 V

2AG

0.189 x 0.587 in (4.8 x 14.9 mm)

0.587 in (14.9 mm)

CE, PSE, UL

125 °C (257 °F)

Fast

0454001

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

1.98 J

-55 °C (-67 °F)

Silver

50 A

20 ms

Pre Arcing Time: Open within 0.02 s at 800% Rated Current

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

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; UL

125 °C (257 °F)

Slow

0481001.VP

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

1 A

End Cap

733 mJ

-55 °C (-67 °F)

300 A

5 m

Bulk

0.701 in (17.8 mm)

0.209 in (5.3 mm)

Alarm

0.772 in (19.6 mm)

CSA; UL

90 °C (194 °F)

594001

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1 A

End Cap

Nickel

594

0253001.HRL

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

Tape And Reel

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

37211000000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

5.5 J

-40 °C (-40 °F)

Matte Tin

35 A

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

e3

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

1941100002

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

290 mJ

-25 °C (-13 °F)

1.5 kA

Bulk

0.205 in (5.2 mm)

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CUL; DIN; IEC; SEMKO; UL; VDE

70 °C (158 °F)

Very Fast

0267001.V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

1 A

Pin Wire

-55 °C (-67 °F)

Gold

50 A

1 s

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

0.093 in (2.36 mm)

Supplemental

e4

125 V

Pico

0.093 x 0.28 in (2.36 x 7.11 mm)

0.28 in (7.11 mm)

CSA; QPL

125 °C (257 °F)

Very Fast

0481001.VXLM

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

1 A

End Cap

1.82 J

-55 °C (-67 °F)

300 A

5 m

0.839 in (21.3 mm)

0.228 in (5.8 mm)

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

0251001.MRHF

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

272001

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

1 A

Tab/Blade

64.8 mJ

-55 °C (-67 °F)

Tin

10 kA

2 s

Pre Arcing Time: Open within 2 s at 200% Rated Current

0.064

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; UL

125 °C (257 °F)

Very Fast

KLNR001

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

1 A

End Cap

200 kA

KLNR

Rated Breaking Capacity at 125 VDC: 20000 A

0.563 in (14.3 mm)

2 in (50.8 mm)

CSA; UL

Fast

0452001.MRSN

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

AGW1

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

1 A

End Cap

0.25 in (6.35 mm)

32 V

7AG

0.875 in (22.225 mm)

0213001.MRET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

19.2 J

-55 °C (-67 °F)

35 A

19.2

Tape And Reel

0.217 in (5.5 mm)

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)

BSI, CCC, CE, CSA, PSE, UL, VDE

125 °C (257 °F)

Time Lag

0157001.DR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

459 mJ

-55 °C (-67 °F)

Matte Tin

50 A

5 s

0.6

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e3

125 V

Nano

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

0434001

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

1 A

Wraparound

21 mJ

-55 °C (-67 °F)

Tin/Lead with Nickel barrier

50 A

434

Rated Breaking Capacity at 32 VDC: 50 A

0.063 in (1.6 mm)

0.032 in (0.81 mm)

e0

0.063 x 0.032 x 0.012 in (1.6 x 0.81 x 0.31 mm)

0.012 in (0.31 mm)

CSA; UL

90 °C (194 °F)

Very Fast

0472001.NXT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

938.4 mJ

-55 °C (-67 °F)

Tin

50 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)

UL

125 °C (257 °F)

Time Lag

02200044DRT2P

Littelfuse

Electric Fuse

Through Hole Mount

350 V

1 A

Pin Wire

2.22 J

-55 °C (-67 °F)

Tin

100 A

4 h

2.22

0.177 in (4.5 mm)

Supplemental

e3

350 V

2AG

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)

37211000410

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

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

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.