1.8 A Fuses 77

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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

IDSR01.8T

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

1.8 A

End Cap

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

5 in (127 mm)

CSA; UL

Time Delay

TOO1.80

Littelfuse

Electric Fuse

Inline/Holder

125 V

1.8 A

End Cap

10 kA

UL

Time Delay

031201.8HX

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.8 A

End Cap

3.85 J

-55 °C (-67 °F)

Tin

100 A

312

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; CSA; PSE; UL

125 °C (257 °F)

Fast

31301.8

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1.8 A

End Cap

58 J

100 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; METI; PSE; UL

Slow

FLA1-8/10

Littelfuse

Electric Fuse

Inline/Holder

125 V

1.8 A

End Cap

10 kA

0.406 in (10.31 mm)

Indicator

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

UL

Slow

JTD01.8ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.8 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

0.811 x 2.252 in (20.6 x 57.2 mm)

2.252 in (57.2 mm)

CSA; UL

Time Delay

31201.8

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1.8 A

End Cap

3.85 J

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)

CSA; UL

Fast

31501.8P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.8 A

Pin Wire

58 J

Matte Tin

100 A

0.275 in (6.99 mm)

e3

0.275 x 1.275 in (6.99 x 32.39 mm)

1.275 in (32.39 mm)

CE; CSA; METI; PSE; UL

Slow

CCMR01.8HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.8 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

JTD01.8

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.8 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

2.252 in (57.2 mm)

CSA; UL

Time Delay

031201.8VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.8 A

End Cap

3.85 J

-55 °C (-67 °F)

Tin

100 A

312

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; CSA; PSE; UL

125 °C (257 °F)

Fast

KLDR01.8H

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.8 A

End Cap

200 kA

KLDR

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)

CSA; UL

Time Delay

FLSR1.8ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.8 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

KLDR01.8

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.8 A

End Cap

996.4 mJ

Nickel

200 kA

12 s

Rated Breaking Capacity at 300 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)

CE; CSA; UL

Time Delay

31801.8P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.8 A

Pin Wire

3.85 J

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

LLNRK1.80

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

1.8 A

End Cap

20 kA

Rated Breaking Capacity at 125 VDC: 20000

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

Time Delay

LLSRK01.8ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.8 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

LLSRK1.80ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.8 A

End Cap

200 kA

LLSRK

Rated Breaking Capacity at 300 VDC: 20000 A

Indicator

CSA; UL

Time Delay

31501.8

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1.8 A

Pin Wire

58 J

Tin/Lead

100 A

Rated Breaking Capacity at 250 VDC: 100 A

0.275 in (6.985 mm)

e0

0.275 x 1.275 in (6.985 x 32.385 mm)

1.275 in (32.385 mm)

CSA; PSE; UL

Slow

FLNR1.80

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

1.8 A

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

CSA; UL

Time Delay

0FLM01.8T

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

1.8 A

End Cap

10 kA

5 s

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

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; QPL; UL

Time Delay

0JTD01.8T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.8 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

2.252 in (57.2 mm)

CSA; UL

Time Delay

FLNR01.8T

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

1.8 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

Bulk

0.563 in (14.3 mm)

2 in (50.8 mm)

CSA; UL

Time Delay

FLA01.8

Littelfuse

Electric Fuse

Inline/Holder

125 V

1.8 A

End Cap

10 kA

5 s

Bulk

0.406 in (10.31 mm)

5AG

Indicator

1.5 in (38.1 mm)

UL

Time Delay

FLSR01.8TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.8 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

Indicator

5 in (127 mm)

CSA; UL

Time Delay

0BLS01.8T

Littelfuse

Electric Fuse

Inline/Holder

600 V

1.8 A

End Cap

10 kA

2 m

Bulk

0.406 in (10.31 mm)

0.394 x 1.378 in (10 x 35 mm)

1.375 in (34.925 mm)

CSA; UL

Fast

0FLA01.8T

Littelfuse

Electric Fuse

Inline/Holder

125 V

1.8 A

End Cap

10 kA

5 s

Bulk

0.406 in (10.31 mm)

5AG

Indicator

1.5 in (38.1 mm)

UL

Time Delay

LLSRK01.8.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.8 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

Indicator

5 in (127 mm)

CE; CSA; UL; QPL

Time Delay

LLNRK01.8.V

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

1.8 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

0.563 in (14.3 mm)

2 in (50.8 mm)

CE; CSA; UL; QPL

Time Delay

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.