100 mA Fuses 399

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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

312.100

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

100 mA

End Cap

1.02 mJ

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

R451.100

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

100 mA

End Cap

1.4 mJ

50 A

CSA; UL

Very Fast

0448.100

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

100 mA

End Cap

820 μJ

-55 °C (-67 °F)

Gold

50 A

Rated Breaking Capacity at 125 VDC: 50 A

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

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; PSE; UL

125 °C (257 °F)

Very Fast

3260.1MMXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

100 mA

End Cap

87 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

0217.100MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

100 mA

Pin Wire

2.6 mJ

-55 °C (-67 °F)

Matte Tin

35 A

3 ms

0.0026

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)

CCC; CE; CSA; IEC; KC; SEMKO; UL; VDE

125 °C (257 °F)

Very Fast

0453.100MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

100 mA

Wraparound

1.38 mJ

-55 °C (-67 °F)

Silver

50 A

Rated Breaking Capacity at 125 VDC: 50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

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)

Very Fast

0312.100VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

100 mA

End Cap

1.02 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

3260.1MVXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

100 mA

End Cap

87 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

02170.1MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

100 mA

Pin Wire

2.6 mJ

-55 °C (-67 °F)

35 A

3 ms

Pre Arcing Time: Open within 3 ms at 400% Rated Current

Bulk

0.22 in (5.6 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.846 in (21.5 mm)

CCC; CE; CSA; CUL; KC; SEMKO; UL; VDE

125 °C (257 °F)

Fast

07945810189

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

100 mA

End Cap

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

47 µs

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA, UL

125 °C (257 °F)

Fast

0675.100

Littelfuse

Electric Fuse

Through Hole Mount

250 V

100 mA

Pin Wire

2.5 mJ

Tin Lead

50 A

675

0.154 in (3.9 mm)

e0

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; UL

Slow

0313.100HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

100 mA

End Cap

85 mJ

-55 °C (-67 °F)

Nickel

35 A

4 h

0.085

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

272.100H

Littelfuse

Electric Fuse

100 mA

Pin Wire

-55 °C (-67 °F)

10 kA

4 h

0.0003

0.235 in (5.97 mm)

125 V

1.25 Ω

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

0451.100MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

100 mA

Wraparound

1.38 mJ

-55 °C (-67 °F)

50 A

4 h

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e0

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; UL

125 °C (257 °F)

Very Fast

3260.1MHXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

100 mA

End Cap

87 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

0451.100MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

100 mA

Wraparound

1.38 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)

CSA; CUL; UL

125 °C (257 °F)

Very Fast

0662.100MALL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

100 mA

Pin Wire

2 mJ

-40 °C (-40 °F)

Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

Ammo Pack

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

37001000430

Littelfuse

Electric Fuse

Through Hole Mount

250 V

100 mA

Pin Wire

3.8 mJ

-40 °C (-40 °F)

Tin

35 A

20 ms

Ammo Pack; Tape

0.335 in (8.5 mm)

e3

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; CE; CUL; VDE; UL

85 °C (185 °F)

Fast

3400100000

Littelfuse

Electric Fuse

Inline/Holder

250 V

100 mA

End Cap

1.4 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

3720100051

Littelfuse

Electric Fuse

Through Hole Mount

250 V

100 mA

Pin Wire

47 mJ

-40 °C (-40 °F)

Matte Tin

35 A

Bulk

0.335 in (8.5 mm)

e3

20 ms

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; KTL; SEMKO; UL; VDE

85 °C (185 °F)

Time Lag

0312.100HX

Littelfuse

Electric Fuse

Inline/Holder

250 V

100 mA

End Cap

1.02 mJ

-55 °C (-67 °F)

Tin

35 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)

Fast

0216.100MRET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

100 mA

Pin Wire

4.5 mJ

-55 °C (-67 °F)

Tin

1.5 kA

0.0045

Tape And Reel

0.236 in (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)

0.886 in (22.5 mm)

CCC; CE; CSA; IEC; SEMKO; UL; VDE

125 °C (257 °F)

Fast

0673.100MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

100 mA

Pin Wire

2.5 mJ

50 A

4 h

0.0025

Bulk

0.154 in (3.9 mm)

250 V

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; UL

Slow

201P0100043

Littelfuse

Electric Fuse

Inline/Holder

250 V

100 mA

End Cap

22 mJ

-25 °C (-13 °F)

Tin

80 A

Tape And Reel

0.205 in (5.2 mm)

e3

250 V

5 ms

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

UL

70 °C (158 °F)

Medium Time Lag

0325.100HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

100 mA

Pin Wire

87 mJ

-55 °C (-67 °F)

Tin

100 A

4 h

0.087

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

37201000410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

100 mA

Pin Wire

47 mJ

-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; SEMKO; UL; VDE

85 °C (185 °F)

Time Lag

0219.100MRAET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

100 mA

Pin Wire

79 mJ

-55 °C (-67 °F)

150 A

0.079

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)

CE, UL

125 °C (257 °F)

Time Lag

0663.100HXLL

Littelfuse

Electric Fuse

100 mA

-40 °C (-40 °F)

35 A

0.08

0.335 in (8.5 mm)

250 V

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CSA, SEMKO, UL, VDE

85 °C (185 °F)

Time Lag

1980100002

Littelfuse

Electric Fuse

Inline/Holder

250 V

100 mA

End Cap

38 mJ

-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)

CSA; UL

70 °C (158 °F)

Time Delay

0269.100V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

100 mA

Pin Wire

-55 °C (-67 °F)

Gold

10 kA

Bulk

e4

CSA; QPL; UL

125 °C (257 °F)

Very Fast

KLKR1/10

Littelfuse

Electric Fuse

100 mA

End Cap

200 kA

0.406 in (10.3 mm)

CC

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE, CSA, UL

Fast

218.100M

Littelfuse

Electric Fuse

100 mA

End Cap

-55 °C (-67 °F)

35 A

0.079

0.787 in (20 mm)

Supplemental

250 V

6.018 Ω

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; UL; VDE

125 °C (257 °F)

Time Lag

0242.100UA

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

100 mA

Pin Wire

970 μJ

4 kA

Rated Breaking Capacity at 250 VDC: 4000 A

Tape And Reel

0.331 in (8.4 mm)

0.331 x 0.119 in (8.4 x 3.02 mm)

0.119 in (3.02 mm)

UL

3430100002

Littelfuse

Electric Fuse

Inline/Holder

250 V

100 mA

End Cap

85 mJ

-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

318.100

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

100 mA

Pin Wire

1.02 mJ

-55 °C (-67 °F)

Tin Lead

35 A

4 h

0.001

0.276 in (7 mm)

Supplemental

e0

250 V

3AG

0.276 x 1.275 in (7 x 32.39 mm)

1.275 in (32.39 mm)

CSA; UL

125 °C (257 °F)

Fast

269.100

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

100 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

08750.100MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

100 mA

Wire

5.4 mJ

-55 °C (-67 °F)

Tin

50 A

1 m

Bulk

0.142 in (3.6 mm)

e3

0.142 x 0.394 in (3.6 x 10 mm)

0.394 in (10 mm)

CUL; UL

125 °C (257 °F)

Slow

37201000075

Littelfuse

Electric Fuse

Through Hole Mount

250 V

100 mA

Pin Wire

80 mJ

-40 °C (-40 °F)

35 A

20 ms

0.335 in (8.5 mm)

TR5

0.315 in (8 mm)

CCC; CE; CUL; KC; UL; VDE

85 °C (185 °F)

Time Lag

02620.100V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

100 mA

Pin Wire

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.235 in (5.97 mm)

Micro

0.29 in (7.37 mm)

CSA; UL

125 °C (257 °F)

Very Fast

02680.100V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

100 mA

Pin Wire

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.235 in (5.97 mm)

Micro

0.29 in (7.37 mm)

CSA; UL

125 °C (257 °F)

Very Fast

02740.100V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

100 mA

Pin Wire

385 μJ

-55 °C (-67 °F)

10 kA

5 s

Bulk

0.25 in (6.35 mm)

Micro

0.35 in (8.89 mm)

CSA; QPL; UL

Very Fast

02720.100V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

100 mA

Pin Wire

385 μJ

-55 °C (-67 °F)

10 kA

5 s

Bulk

0.235 in (5.97 mm)

Micro

0.287 in (7.3 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

FLNR.100T

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

100 mA

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

02780.100V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

100 mA

Pin Wire

385 μJ

-55 °C (-67 °F)

10 kA

5 s

Bulk

0.235 in (5.97 mm)

Micro

0.287 in (7.3 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

02730.100V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

100 mA

Pin Wire

385 μJ

-55 °C (-67 °F)

10 kA

5 s

Bulk

0.25 in (6.35 mm)

Micro

0.35 in (8.89 mm)

CSA; QPL; UL

85 °C (185 °F)

Very Fast

0FLA.100T

Littelfuse

Electric Fuse

Inline/Holder

125 V

100 mA

End Cap

10 kA

5 s

Bulk

0.406 in (10.31 mm)

5AG

Indicator

1.5 in (38.1 mm)

UL

Time Delay

02730.100H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

100 mA

Pin Wire

385 μJ

-55 °C (-67 °F)

10 kA

5 s

Bulk

0.25 in (6.35 mm)

Micro

0.35 in (8.89 mm)

CSA; QPL; UL

85 °C (185 °F)

Very Fast

02790.100V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

100 mA

Pin Wire

385 μJ

-55 °C (-67 °F)

10 kA

5 s

Bulk

0.25 in (6.35 mm)

Micro

0.35 in (8.89 mm)

CSA; QPL; UL

85 °C (185 °F)

Very Fast

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.