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

FLQ001R

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

1 A

End Cap

10 kA

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

0473001.PXT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

2.01 J

-55 °C (-67 °F)

Matte Tin

50 A

2.01

Bulk

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 Lag

1206SFF100F/63

Littelfuse

Electric Fuse

Surface Mount

63 V

1 A

Wraparound

-55 °C (-67 °F)

Tin with Nickel barrier

50 A

4 h

Rated Breaking Capacity at 63 VDC: 50 A

0.012

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e3

63 V

0.126 x 0.063 x 0.043 in (3.2 x 1.6 x 1.1 mm)

0.043 in (1.1 mm)

UL

125 °C (257 °F)

Fast

NLS001

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

1 A

End Cap

50 kA

Rated Breaking Capacity at 600 VDC; 20000

0.811 in (20.6 mm)

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

0251001.NAT1

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

Ammo Pack

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

0402SFF100F/24

Littelfuse

Electric Fuse

Surface Mount

24 V

1 A

Wraparound

-55 °C (-67 °F)

Tin with Nickel barrier

35 A

4 h

Rated Breaking Capacity at 24 VDC: 35 A

0.017

0.039 in (1 mm)

0.02 in (0.51 mm)

e3

24 V

0.039 x 0.02 x 0.02 in (1 x 0.51 x 0.51 mm)

0.02 in (0.51 mm)

UL

125 °C (257 °F)

Fast

FM04A125V1A

Littelfuse

Electric Fuse

Through Hole Mount

125 V

1 A

Pin Wire

Tin Lead

0.102 in (2.59 mm)

e0

0.102 x 0.311 in (2.59 x 7.9 mm)

0.311 in (7.9 mm)

MIL-PRF-23419

KLKD001

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.HXT1L

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

87 mJ

-55 °C (-67 °F)

Pure Tin

50 A

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

0215001.MXB

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

1.52 J

-55 °C (-67 °F)

1.5 kA

1.52

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)

125 °C (257 °F)

Time Lag

0235001.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Wire

467.5 mJ

-55 °C (-67 °F)

Tin

100 A

5 s

Bulk

0.217 in (5.5 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)

0.846 in (21.5 mm)

CE, CSA, PSE, UL

125 °C (257 °F)

Fast

LGD001

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 A

End Cap

200 kA

LGD

Rated Breaking Capacity at 300 VDC: 20000 A

Indicator

CSA; UL

Time Delay

0203001.H

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

328 mJ

-55 °C (-67 °F)

Tin Lead

50 A

4 h

0.328

0.372 in (9.45 mm)

0.25 in (6.35 mm)

e0

250 V

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

LGR001

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

Fast

LLSRK001ID

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)

Indicator

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

02205001.MXP

Littelfuse

Electric Fuse

1 A

Pin Wire

-55 °C (-67 °F)

Tin

35 A

4 h

5.64

0.57 in (14.48 mm)

Supplemental

e3

250 V

2AG

0.57 in (14.48 mm)

CSA; UL

125 °C (257 °F)

Fast

LCQ1E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

1 A

End Cap

50 kA

LCQ

1.563 in (39.69 mm)

1.563 x 9.5 in (39.69 x 241.3 mm)

9.5 in (241.3 mm)

Medium

1206SFP100F/63-2

Littelfuse

Electric Fuse

Surface Mount

63 V

1 A

Wraparound

110 mJ

-55 °C (-67 °F)

50 A

0.134 in (3.4 mm)

0.071 in (1.8 mm)

63 V

1206

0.134 x 0.071 x 0.046 in (3.4 x 1.8 x 1.17 mm)

0.046 in (1.17 mm)

UL

125 °C (257 °F)

3251MMXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

1 A

Pin Wire

16.3 J

-55 °C (-67 °F)

Matte Tin

100 A

Rated Breaking Capacity at 125 VDC: 10000 A

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; PSE; UL

125 °C (257 °F)

Time Lag

0208001.MX

Littelfuse

Electric Fuse

1 A

End Cap

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

429001WR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1 A

Wraparound

35 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

50 A

429

Rated Breaking Capacity at 63 VDC: 50 A

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e0

0.125 x 0.06 x 0.045 in (3.18 x 1.52 x 1.14 mm)

0.045 in (1.14 mm)

CSA; UL

90 °C (194 °F)

Very Fast

0230001.VXSP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

1 A

Pin Wire

5.64 J

-55 °C (-67 °F)

Tin

35 A

4 h

Rated Breaking Capacity at 125 VDC: 10000 A

5.64

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; PSE; UL

125 °C (257 °F)

Time Lag

312001P

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

760 mJ

Nickel

35 A

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; UL

Fast

KLDR001.HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 A

End Cap

Nickel

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

3541100002

Littelfuse

Electric Fuse

Inline/Holder

440 V

1 A

End Cap

330 mJ

-25 °C (-13 °F)

Nickel

1 kA

Bulk

0.248 in (6.3 mm)

440 V

20 ms

3AB

0.248 x 1.26 in (6.3 x 32 mm)

1.26 in (32 mm)

UL

70 °C (158 °F)

Fast

FCD121100TP

Littelfuse

Electric Fuse

Surface Mount

32 V

64 V

1 A

Wraparound

5.6 mJ

-55 °C (-67 °F)

Tin

50 A

FCD12

Tape And Reel

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e3

0.126 x 0.063 x 0.024 in (3.2 x 1.6 x 0.6 mm)

0.024 in (0.6 mm)

IEC; UL

125 °C (257 °F)

Fast

35611000029

Littelfuse

Electric Fuse

Inline/Holder

440 V

1 A

End Cap

4.4 J

-25 °C (-13 °F)

Nickel

1 kA

10 ms

Pre Arcing Time: Open within 0.01 s at 1000% Rated Current

Bulk

0.25 in (6.35 mm)

3AB

0.248 x 1.26 in (6.3 x 32 mm)

1.25 in (31.75 mm)

CE; CUL; UL

70 °C (158 °F)

Slow

BLN1

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

1E-6PT-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

1 A

End Cap

50 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

216001XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

190 mJ

-55 °C (-67 °F)

Matte Tin

1.5 kA

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

125 °C (257 °F)

Fast

0263001.WAT1L

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

Ammo Pack

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

3701100000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

200 mJ

-40 °C (-40 °F)

35 A

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

20 ms

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; PSE; SEMKO; UL; VDE

85 °C (185 °F)

Fast

0216001.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

180 mJ

-55 °C (-67 °F)

Matte Tin

1.5 kA

20 ms

0.18

Bulk

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

0233001

Littelfuse

Electric Fuse

Inline/Holder

125 V

1 A

End Cap

2.03 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)

CSA; KTL; PSE; UL

125 °C (257 °F)

Medium

0251001.HAL

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

4621100DR

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

1 A

Wraparound

2 J

-40 °C (-40 °F)

Tin

150 A

462

Rated Breaking Capacity at 250 VDC: 150 A

Tape And Reel

0.413 in (10.5 mm)

0.185 in (4.7 mm)

e3

10 ms

0.413 x 0.185 x 0.177 in (10.5 x 4.7 x 4.5 mm)

0.177 in (4.5 mm)

IEC; PSEJET; UL; VDE

85 °C (185 °F)

Time Lag

3401100002

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

37211000511

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

7.5 J

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

5.5

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)

CCC; CE; CUL; KC; PSE; UL; VDE

85 °C (185 °F)

Time Lag

0473001.MAT1L

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

0216001HXE

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

224001P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

2.22 J

Matte Tin

35 A

Bulk; 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)

CSA; METI; UL

Fast

0491001.NRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

-55 °C (-67 °F)

Pure Tin

50 A

300 ms

Pre-Arcing Time: Open within 0.3 s at 300% Rated Current

Tape And Reel

0.11 in (2.8 mm)

125 V

Pico

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)

Very Fast

217001XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

1.07 J

-55 °C (-67 °F)

Matte 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)

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

125 °C (257 °F)

Fast

0259001.M

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

0603SFS100F/32

Littelfuse

Electric Fuse

Surface Mount

32 V

1 A

Wraparound

90 mJ

-55 °C (-67 °F)

50 A

Rated Breaking Capacity at 32 VDC: 40 A

0.069 in (1.75 mm)

0.037 in (0.95 mm)

0.069 x 0.037 x 0.037 in (1.75 x 0.95 x 0.95 mm)

0.037 in (0.95 mm)

UL

125 °C (257 °F)

Slow

0491001.MRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1 A

Pin Wire

-55 °C (-67 °F)

Pure Tin

50 A

300 ms

Pre-Arcing Time: Open within 0.3 s at 300% Rated Current

Tape And Reel

0.11 in (2.8 mm)

125 V

Pico

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)

Very Fast

272-001V

Littelfuse

Electric Fuse

1 A

Pin Wire

-55 °C (-67 °F)

Tin

10 kA

4 h

0.0648

0.235 in (5.97 mm)

e3

125 V

88 mΩ

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

160001.MR

Littelfuse

Electric Fuse

Surface Mount

250 V

1 A

Wraparound

9 J

-55 °C (-67 °F)

Silver

50 A

4 h

9

Tape And Reel

0.398 in (10.1 mm)

0.123 in (3.12 mm)

e4

250 V

Nano

0.398 x 0.123 x 0.123 in (10.1 x 3.12 x 3.12 mm)

0.123 in (3.12 mm)

UL

125 °C (257 °F)

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.