2.5 A Fuses 26

Reset All
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

38212500410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Wire

29.69 J

-40 °C (-40 °F)

Tin

100 A

150 ms

22

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; PSE; UL; VDE

85 °C (185 °F)

Time Lag

38212500430

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Wire

29.69 J

-40 °C (-40 °F)

Tin

100 A

150 ms

22

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; PSE; UL; VDE

85 °C (185 °F)

Time Lag

80412500000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Wire

137.5 J

-40 °C (-40 °F)

Tin

150 A

1 s

Ammo Pack

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

250 V

TE7

0.488 x 0.252 x 0.386 in (12.4 x 6.4 x 9.8 mm)

0.362 in (9.2 mm)

125 °C (257 °F)

Time Lag

80412500440

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Wire

137.5 J

-40 °C (-40 °F)

Tin

150 A

1 s

Bulk

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

250 V

TE7

0.488 x 0.252 x 0.386 in (12.4 x 6.4 x 9.8 mm)

0.362 in (9.2 mm)

125 °C (257 °F)

Time Lag

80812500075

Littelfuse

Electric Fuse

Through Hole Mount

250 V

450 V

2.5 A

Pin Wire

89.8 mJ

-65 °C (-85 °F)

Tin

200 A

10 s

Pre Arcing Time: Open within 10 s at 200% Rated Current

0.08

Bulk

0.35 in (8.9 mm)

0.183 in (4.65 mm)

e3

250 V

TE5

0.35 x 0.183 x 0.348 in (8.9 x 4.65 x 8.85 mm)

0.348 in (8.85 mm)

CUL; PSE; UL

125 °C (257 °F)

Fast

80812500440

Littelfuse

Electric Fuse

Through Hole Mount

250 V

450 V

2.5 A

Pin Wire

89.8 mJ

-65 °C (-85 °F)

Tin

200 A

10 s

Pre Arcing Time: Open within 10 s at 200% Rated Current

0.08

Bulk

0.35 in (8.9 mm)

0.183 in (4.65 mm)

e3

250 V

TE5

0.35 x 0.183 x 0.348 in (8.9 x 4.65 x 8.85 mm)

0.348 in (8.85 mm)

CUL; PSE; UL

125 °C (257 °F)

Fast

35612500029

Littelfuse

Electric Fuse

Inline/Holder

440 V

2.5 A

End Cap

22 J

-25 °C (-13 °F)

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

80712500000

Littelfuse

Electric Fuse

Through Hole Mount

300 V

300 V

2.5 A

Wire

13.75 kJ

-40 °C (-40 °F)

Tin

100 A

1 s

Ammo Pack

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

300 V

0.488 x 0.252 x 0.362 in (12.4 x 6.4 x 9.2 mm)

0.362 in (9.2 mm)

IEC; CUL; PSE; UL

125 °C (257 °F)

Time Lag

80712500440

Littelfuse

Electric Fuse

Through Hole Mount

300 V

300 V

2.5 A

Wire

13.75 kJ

-40 °C (-40 °F)

Matte Tin

100 A

1 s

Bulk

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

300 V

0.488 x 0.252 x 0.362 in (12.4 x 6.4 x 9.2 mm)

0.362 in (9.2 mm)

IEC; CUL; PSE; UL

125 °C (257 °F)

Time Lag

39612500000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

2.5 A

Pin Wire

14 J

-40 °C (-40 °F)

Matte Tin

100 A

1 m

14

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

125 V

TE5

0.335 x 0.157 x 0.315 in (8.5 x 4 x 8 mm)

0.315 in (8 mm)

PSE; UL

85 °C (185 °F)

Time Lag

39212500440

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

47.81 J

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

32

Bulk

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

250 V

TE5

0.335 x 0.157 x 0.315 in (8.5 x 4 x 8 mm)

0.315 in (8 mm)

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

125 °C (257 °F)

Time Lag

FCD121250TP

Littelfuse

Electric Fuse

Surface Mount

32 V

64 V

2.5 A

Wraparound

78 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

37412500410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

18.125 J

-40 °C (-40 °F)

Matte Tin

50 A

1 m

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)

CSA, UL

85 °C (185 °F)

Time Lag

37412500430

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

18.125 J

-40 °C (-40 °F)

Tin

50 A

1 m

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)

CSA, UL

85 °C (185 °F)

Time Lag

46212500000

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

2.5 A

Wraparound

8 J

-40 °C (-40 °F)

Matte Tin

150 A

10 ms

8

Tape And Reel

0.413 in (10.5 mm)

0.177 in (4.5 mm)

e3

250 V

Nano

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

0.177 in (4.5 mm)

CUL; PSE; UL

85 °C (185 °F)

Time Lag

37312500000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

1.2 J

-40 °C (-40 °F)

Matte Tin

50 A

5 s

Ammo Pack; Tape

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)

CSA; CUL; UL

85 °C (185 °F)

Very Fast

37312500430

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

1.2 J

-40 °C (-40 °F)

Tin

50 A

5 s

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)

CSA; CUL; UL

85 °C (185 °F)

Very Fast

39512500440

Littelfuse

Electric Fuse

Through Hole Mount

125 V

2.5 A

Pin Wire

1.1 J

-40 °C (-40 °F)

Tin

100 A

1 m

Bulk

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

125 V

TE5

0.335 x 0.157 x 0.315 in (8.5 x 4 x 8 mm)

0.315 in (8 mm)

PSE; UL

85 °C (185 °F)

Fast

37212500431

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

35 J

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

35

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

38312500410

Littelfuse

Electric Fuse

Through Hole Mount

320 V

2.5 A

Pin Wire

29.69 J

-40 °C (-40 °F)

50 A

20 ms

Bulk

0.335 in (8.5 mm)

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CE; CUL; PSE; UL

85 °C (185 °F)

Time Lag

0603TSFV250FM/35-2

Littelfuse

Electric Fuse

2.5 A

-55 °C (-67 °F)

Tin/Nickel

35 A

4 h

0.15

0.067 in (1.7 mm)

0.036 in (0.91 mm)

e2

35 V

0603

0.067 x 0.036 x 0.016 in (1.7 x 0.91 x 0.4 mm)

0.016 in (0.4 mm)

90 °C (194 °F)

Fast

BK/MDL-2-1/2

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

32 V

2.5 A

End Cap

100 A

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

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

Time Delay

SF-0603SP250-2

Bourns

Electric Fuse

Surface Mount

32 V

2.5 A

Wraparound

229 mJ

-20 °C (-4 °F)

Tin Over Nickel

50 A

1 s

Tape And Reel, 7 inch

0.063 in (1.6 mm)

0.031 in (0.8 mm)

e3

0603

0.018 in (0.45 mm)

UL

105 °C (221 °F)

Time Lag

30312500421

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

2.5 A

Pin Wire

230 mJ

-25 °C (-13 °F)

50 A

1 m

Pre Arcing Time: Open within 60 s at 200% Rated Current

Bulk

0.236 in (6 mm)

0.315 in (8 mm)

CSA; UL

70 °C (158 °F)

Fast

30312500131

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

2.5 A

Pin Wire

230 mJ

-25 °C (-13 °F)

50 A

1 m

Pre Arcing Time: Open within 60 s at 200% Rated Current

Bulk

0.236 in (6 mm)

0.315 in (8 mm)

CSA; UL

70 °C (158 °F)

Fast

30312500001

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

2.5 A

Pin Wire

230 mJ

-25 °C (-13 °F)

50 A

1 m

Pre Arcing Time: Open within 60 s at 200% Rated Current

Ammo Pack; Tape

0.236 in (6 mm)

0.315 in (8 mm)

CSA; UL

70 °C (158 °F)

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.