187 mA Fuses 54

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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

0312.187VX

Littelfuse

Electric Fuse

Inline/Holder

250 V

187 mA

End Cap

12.8 mJ

-55 °C (-67 °F)

Tin

35 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; UL

125 °C (257 °F)

Fast

0313.187HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

187 mA

End Cap

230 mJ

-55 °C (-67 °F)

Nickel

35 A

4 h

0.23

Bulk

0.25 in (6.35 mm)

Supplemental

250 V

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; UL

125 °C (257 °F)

Time Lag

0315.187HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

187 mA

Pin Wire

230 mJ

-55 °C (-67 °F)

Matte Tin

35 A

Bulk

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; UL

125 °C (257 °F)

Time Lag

0313.187VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

187 mA

End Cap

230 mJ

-55 °C (-67 °F)

Nickel

35 A

313

Bulk

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

125 °C (257 °F)

Time Lag

3250.187MHXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

187 mA

Pin Wire

230 mJ

-55 °C (-67 °F)

Matte Tin

100 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

125 °C (257 °F)

Time Lag

0315.187MXBP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

187 mA

Pin Wire

230 mJ

-55 °C (-67 °F)

35 A

5 s

Bulk

0.275 in (6.985 mm)

3AG

1.275 in (32.39 mm)

CE; CSA; UL

125 °C (257 °F)

Slow

0325.187HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

187 mA

Pin Wire

230 mJ

-55 °C (-67 °F)

Tin

100 A

4 h

0.23

Bulk

0.275 in (6.99 mm)

e3

250 V

3AB

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE

125 °C (257 °F)

Time Lag

318.187P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

187 mA

Pin Wire

12.8 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

0312.187VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

187 mA

End Cap

12.8 mJ

-55 °C (-67 °F)

Nickel

35 A

312

Bulk

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

125 °C (257 °F)

Fast

FLQ3/16

Littelfuse

Electric Fuse

Inline/Holder

500 V

187 mA

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

Slow

0326.187VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

187 mA

End Cap

-55 °C (-67 °F)

Nickel

4 h

0.23

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

125 °C (257 °F)

Time Lag

0325.187MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

187 mA

Pin Wire

330 mJ

-55 °C (-67 °F)

Tin

100 A

5 s

0.23

Bulk

0.275 in (6.985 mm)

e3

250 V

3AB

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE

125 °C (257 °F)

Time Delay

0318.187VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

187 mA

Pin Wire

12.8 mJ

-55 °C (-67 °F)

Matte Tin

35 A

318

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; UL

125 °C (257 °F)

Fast

0318.187MXBP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

187 mA

Pin Wire

12.8 mJ

-55 °C (-67 °F)

Tin

35 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; UL

125 °C (257 °F)

Fast

0318.187MX

Littelfuse

Electric Fuse

Through Hole Mount

250 V

187 mA

Pin Wire

12.8 mJ

-55 °C (-67 °F)

Tin

35 A

318

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; UL

125 °C (257 °F)

Fast

0313.187MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

187 mA

End Cap

230 mJ

-60 °C (-76 °F)

Nickel

35 A

5 s

0.23

Bulk

0.25 in (6.35 mm)

Supplemental

250 V

3AG

1.25 x 0.25 in (31.75 x 6.35 mm)

1.25 in (31.75 mm)

CE; CSA; UL

125 °C (257 °F)

Time Lag

KLDR.187TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

187 mA

End Cap

4 mJ

Nickel

200 kA

12 s

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

3260.187MMXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

187 mA

End Cap

230 mJ

-55 °C (-67 °F)

Matte 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

125 °C (257 °F)

Time Lag

0325.187VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

187 mA

Pin Wire

-55 °C (-67 °F)

Tin

4 h

0.23

0.275 in (6.985 mm)

e3

250 V

3AB

0.275 x 1.288 in (6.985 x 32.72 mm)

1.288 in (32.72 mm)

CE

125 °C (257 °F)

Time Lag

0FLQ.187T

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

187 mA

End Cap

10 kA

0.406 in (10.31 mm)

500 V

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

0315.187VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

187 mA

Pin Wire

230 mJ

-55 °C (-67 °F)

Matte Tin

35 A

315

Bulk

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; UL

125 °C (257 °F)

Time Lag

0318.187HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

187 mA

Pin Wire

12.8 mJ

-55 °C (-67 °F)

Tin

35 A

5 s

Bulk

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; UL

125 °C (257 °F)

Fast

KLDR.187HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

187 mA

End Cap

4 mJ

Nickel

200 kA

12 s

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

0325.187MX52LP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

187 mA

Pin Wire

330 mJ

-55 °C (-67 °F)

Tin

4 h

0.23

0.275 in (6.985 mm)

e3

250 V

3AB

0.275 x 1.288 in (6.985 x 32.72 mm)

1.288 in (32.72 mm)

CE

125 °C (257 °F)

Time Lag

326.187P

Littelfuse

Electric Fuse

Inline/Holder

250 V

187 mA

End Cap

230 mJ

Tin

100 A

326

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

Slow

0325.187MXF31P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

187 mA

Pin Wire

330 mJ

-55 °C (-67 °F)

Tin

4 h

0.23

0.275 in (6.985 mm)

e3

250 V

3AB

0.275 x 1.288 in (6.985 x 32.72 mm)

1.288 in (32.72 mm)

CE

125 °C (257 °F)

Time Lag

3260.187MHXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

187 mA

End Cap

230 mJ

-55 °C (-67 °F)

Matte 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

125 °C (257 °F)

Time Lag

0312.187MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

187 mA

End Cap

12.8 mJ

-55 °C (-67 °F)

35 A

5 s

Bulk

0.25 in (6.35 mm)

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; UL

125 °C (257 °F)

Fast

325.187P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

187 mA

Pin Wire

230 mJ

Matte Tin

100 A

325P

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

Slow

FLQ.187T

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

187 mA

End Cap

-55 °C (-67 °F)

10 kA

0.406 in (10.31 mm)

500 V

Midget

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA, UL

125 °C (257 °F)

Time Lag

3260.187MVXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

187 mA

End Cap

230 mJ

-55 °C (-67 °F)

Matte 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

125 °C (257 °F)

Time Lag

0326.187MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

187 mA

End Cap

330 mJ

-55 °C (-67 °F)

Nickel

100 A

5 s

0.23

Bulk

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

125 °C (257 °F)

Time Delay

0318.187P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

187 mA

Pin Wire

12.8 mJ

-55 °C (-67 °F)

Matte Tin

35 A

318

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; UL

125 °C (257 °F)

Fast

313.187M

Littelfuse

Electric Fuse

187 mA

Pin Wire

-55 °C (-67 °F)

35 A

4 h

0.23

1.25 in (31.75 mm)

Supplemental

250 V

8.01 Ω

3AG

1.25 in (31.75 mm)

CE; CSA; UL

125 °C (257 °F)

Time Lag

326.187

Littelfuse

Electric Fuse

Inline/Holder

250 V

187 mA

End Cap

230 mJ

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

Slow

0325.187MX52P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

187 mA

Pin Wire

330 mJ

-55 °C (-67 °F)

Tin

4 h

0.23

0.275 in (6.985 mm)

e3

250 V

3AB

0.275 x 1.288 in (6.985 x 32.72 mm)

1.288 in (32.72 mm)

CE

125 °C (257 °F)

Time Lag

FLQ.187

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

187 mA

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

0326.187HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

187 mA

End Cap

230 mJ

-55 °C (-67 °F)

Nickel

100 A

4 h

0.23

Bulk

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

125 °C (257 °F)

Time Lag

0312.187HX

Littelfuse

Electric Fuse

Inline/Holder

250 V

187 mA

End Cap

12.8 mJ

-55 °C (-67 °F)

Tin

35 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; UL

125 °C (257 °F)

Fast

0318.187MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

187 mA

Pin Wire

12.8 mJ

-55 °C (-67 °F)

Tin

35 A

5 s

Bulk

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; UL

125 °C (257 °F)

Fast

0312.187MX

Littelfuse

Electric Fuse

Inline/Holder

250 V

187 mA

End Cap

12.8 mJ

-55 °C (-67 °F)

Tin

35 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; UL

125 °C (257 °F)

Fast

325.187

Littelfuse

Electric Fuse

Through Hole Mount

250 V

187 mA

Pin Wire

230 mJ

Tin/Lead

0.275 in (6.99 mm)

e0

0.275 x 1.275 in (6.99 x 32.39 mm)

1.275 in (32.39 mm)

CSA

Slow

KLDR.187

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

187 mA

End Cap

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

0312.187P

Littelfuse

Electric Fuse

Inline/Holder

250 V

187 mA

End Cap

12.8 mJ

-55 °C (-67 °F)

Nickel

35 A

312

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

125 °C (257 °F)

Fast

0318.187VX

Littelfuse

Electric Fuse

Through Hole Mount

250 V

187 mA

Pin Wire

12.8 mJ

-55 °C (-67 °F)

Tin

35 A

318

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; UL

125 °C (257 °F)

Fast

312.187

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

187 mA

End Cap

12.8 mJ

Tin/Lead

35 A

0.25 in (6.35 mm)

e0

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

Fast

0312.187HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

187 mA

End Cap

12.8 mJ

-55 °C (-67 °F)

Tin

35 A

5 s

Tape And Reel

0.25 in (6.35 mm)

e3

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; UL

125 °C (257 °F)

Fast

0326.187MXCCP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

187 mA

End Cap

-55 °C (-67 °F)

4 h

0.23

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

125 °C (257 °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.