300 mA Fuses 216

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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

02200031MRT1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Pin Wire

30 mJ

-55 °C (-67 °F)

Tin

35 A

4 h

0.03

0.177 in (4.5 mm)

Supplemental

e3

250 V

2AG

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CE, CSA, UL

125 °C (257 °F)

3260.3MVXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

300 mA

End Cap

690 mJ

-55 °C (-67 °F)

Matte Tin

100 A

Rated Breaking Capacity at 125 VDC: 10000 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; CSA; UL

125 °C (257 °F)

Time Lag

326.300P

Littelfuse

Electric Fuse

Inline/Holder

250 V

300 mA

End Cap

690 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

235.300XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

300 mA

End Cap

33 mJ

-55 °C (-67 °F)

Tin

35 A

235

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; UL

125 °C (257 °F)

Fast

0313.300MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

300 mA

End Cap

730 mJ

-60 °C (-76 °F)

Nickel

35 A

5 s

0.73

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

0FLQ.300T

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

300 mA

End Cap

Nickel

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

LLSRK.300ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

300 mA

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

3250.3MMXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

300 mA

Pin Wire

690 mJ

-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; UL

125 °C (257 °F)

Time Lag

0326.300MXCCP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

300 mA

End Cap

-55 °C (-67 °F)

4 h

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, UL

125 °C (257 °F)

Time Lag

238.300

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Pin Wire

630 mJ

238

0.207 in (5.25 mm)

0.207 x 0.886 in (5.25 x 22.5 mm)

0.886 in (22.5 mm)

CSA; UL

Time Lag

02790.300H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

300 mA

Wire

9.45 mJ

-55 °C (-67 °F)

10 kA

5 s

Bulk

0.25 in (6.35 mm)

125 V

Micro

0.35 in (8.89 mm)

CSA; QPL; UL

85 °C (185 °F)

Very Fast

CCMR.300T

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

300 mA

End Cap

200 kA

CCMR

Rated Breaking Capacity at 250 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

325.300P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Pin Wire

690 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

0318.300VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Pin Wire

68.9 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

7945894954

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

300 mA

Tab/Blade

-55 °C (-67 °F)

10 kA

Rated Breaking Capacity at 300 VDC: 10000 A

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE, UL

125 °C (257 °F)

Time Delay

3430300002

Littelfuse

Electric Fuse

Inline/Holder

250 V

300 mA

End Cap

1.2 J

-25 °C (-13 °F)

35 A

Bulk

0.248 in (6.3 mm)

5 s

0.248 x 1.26 in (6.3 x 32 mm)

1.26 in (32 mm)

CSA; UL

70 °C (158 °F)

Time Delay

02780.300H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

300 mA

Wire

9.45 mJ

-55 °C (-67 °F)

10 kA

5 s

Bulk

0.235 in (5.97 mm)

125 V

Micro

0.287 in (7.3 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

0318.300MXBP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Pin Wire

68.9 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

315.300

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

300 mA

Pin Wire

730 mJ

Tin/Lead

35 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)

CE; CSA; PSE; UL

Slow

0315.300HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Pin Wire

730 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

TOO.300

Littelfuse

Electric Fuse

Inline/Holder

125 V

300 mA

End Cap

10 kA

UL

Time Delay

0235.300MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Wire

32.15 mJ

-55 °C (-67 °F)

Tin

35 A

5 s

Bulk

0.22 in (5.6 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.236 x 0.886 in (6 x 22.5 mm)

0.846 in (21.5 mm)

CE, CSA, UL

125 °C (257 °F)

Fast

197-0300-040

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Pin Wire

38 mJ

-25 °C (-13 °F)

35 A

Bulk

0.213 in (5.4 mm)

120 s

0.197 x 0.787 in (5 x 20 mm)

0.827 in (21 mm)

CSA; CUL; UL

70 °C (158 °F)

Medium Time Lag

0269.300V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

300 mA

Pin Wire

-55 °C (-67 °F)

Gold

10 kA

Bulk

e4

CSA; QPL; UL

125 °C (257 °F)

Very Fast

0675.300DRT4

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Pin Wire

32.2 mJ

Tin Lead

50 A

4 h

0.03

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)

CSA; UL

Slow

0KLK.300T

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

300 mA

End Cap

100 kA

Rated Breaking Capacity at 500 VDC: 50000 A

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Fast

272.300

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

300 mA

Tab/Blade

9.45 mJ

-55 °C (-67 °F)

Tin Lead

10 kA

Rated Breaking Capacity at 125 VDC: 10000 A

0.235 in (5.97 mm)

e0

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

0312.300MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

300 mA

End Cap

68.9 mJ

-55 °C (-67 °F)

Tin

35 A

5 s

0.0689

Bulk

0.25 in (6.35 mm)

e3

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)

Fast

0235.300MXBP

Littelfuse

Electric Fuse

Inline/Holder

250 V

300 mA

End Cap

32.15 mJ

-55 °C (-67 °F)

35 A

5 s

Bulk

0.197 in (5 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CSA, CE, UL

125 °C (257 °F)

Fast

0318.300HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Pin Wire

68.9 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

0312.300MX

Littelfuse

Electric Fuse

Inline/Holder

250 V

300 mA

End Cap

68.9 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

0674.300MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Pin Wire

29.5 mJ

Tin Lead

50 A

4 h

0.0296

Bulk

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)

CSA; UL

Fast

1980300040

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Pin Wire

500 mJ

-25 °C (-13 °F)

35 A

Bulk

0.213 in (5.4 mm)

5 s

0.197 x 0.787 in (5 x 20 mm)

0.827 in (21 mm)

CSA; UL

70 °C (158 °F)

Time Delay

1980300043

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Pin Wire

500 mJ

-25 °C (-13 °F)

35 A

Tape And Reel

0.213 in (5.4 mm)

5 s

0.197 x 0.787 in (5 x 20 mm)

0.827 in (21 mm)

CSA; UL

70 °C (158 °F)

Time Delay

0326.300HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

300 mA

End Cap

690 mJ

-55 °C (-67 °F)

Nickel

100 A

4 h

0.69

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; CSA; UL

125 °C (257 °F)

Time Lag

236.300

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Pin Wire

33 mJ

236

0.207 in (5.25 mm)

0.207 x 0.886 in (5.25 x 22.5 mm)

0.886 in (22.5 mm)

CSA; UL

Fast

0325.300HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

300 mA

Pin Wire

690 mJ

-55 °C (-67 °F)

Tin

100 A

4 h

0.69

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; CSA; UL

125 °C (257 °F)

Time Lag

0318.300MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Pin Wire

68.9 mJ

-55 °C (-67 °F)

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; UL

125 °C (257 °F)

Fast

0273.300V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

300 mA

Pin Wire

-55 °C (-67 °F)

Tin

100 kA

4 h

Bulk

0.25 in (6.35 mm)

e3

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

02200031DRT1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Pin Wire

30 mJ

-55 °C (-67 °F)

Tin

35 A

4 h

0.03

0.177 in (4.5 mm)

Supplemental

e3

250 V

2AG

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CE, CSA, UL

125 °C (257 °F)

CCMR.300HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

300 mA

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

0312.300P

Littelfuse

Electric Fuse

Inline/Holder

250 V

300 mA

End Cap

68.9 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

0875.300MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Pin Wire

43 mJ

-55 °C (-67 °F)

50 A

4 h

0.04

Bulk

0.142 in (3.6 mm)

250 V

0.142 x 0.394 in (3.6 x 10 mm)

0.394 in (10 mm)

CSA; UL

125 °C (257 °F)

Time Lag

269.300

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

300 mA

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; QPL; UL

125 °C (257 °F)

Very Fast

0235.300HXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

300 mA

Wire

32.15 mJ

-55 °C (-67 °F)

35 A

5 s

Bulk

0.197 in (5 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CSA, CE, UL

125 °C (257 °F)

Fast

KLKD3/10

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

300 mA

End Cap

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

101 µs

0.394 x 1.496 in (10 x 38 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA, UL

125 °C (257 °F)

Fast

0325.300VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

300 mA

Pin Wire

-55 °C (-67 °F)

Tin

4 h

0.69

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, CSA, UL

125 °C (257 °F)

Time Lag

313.300P

Littelfuse

Electric Fuse

Inline/Holder

250 V

300 mA

End Cap

730 mJ

Tin

35 A

5 s

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

0.25 in (6.35 mm)

e3

250 V

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; METI; PSE; UL

Slow

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.