12 V Fuses 14

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

0438002.WR

Littelfuse

Electric Fuse

Surface Mount

12 V

32 V

2 A

Wraparound

149 mJ

-55 °C (-67 °F)

Matte Tin

50 A

4 h

0.15

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

32 V

51 mΩ

0603

0.061 x 0.033 x 0.02 in (1.54 x 0.85 x 0.5 mm)

0.02 in (0.5 mm)

CSA; UL

150 °C (302 °F)

Fast

0438002.WRA

Littelfuse

Electric Fuse

Surface Mount

12 V

32 V

2 A

Wraparound

181 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

5 s

Pre Arcing Time: Open within 5 s at 250% Rated Current

Tape And Reel

0.062 in (1.575 mm)

0.033 in (0.85 mm)

e3

12 V

49 mΩ

0603

0.062 x 0.033 x 0.02 in (1.575 x 0.85 x 0.508 mm)

0.02 in (0.508 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

0438003.WRA

Littelfuse

Electric Fuse

Surface Mount

12 V

32 V

3 A

Wraparound

439 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

5 s

Pre Arcing Time: Open within 5 s at 250% Rated Current

Tape And Reel

0.062 in (1.575 mm)

0.033 in (0.85 mm)

12 V

26.4 mΩ

0603

0.02 in (0.508 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

043803.5WRA

Littelfuse

Electric Fuse

Surface Mount

12 V

32 V

3.5 A

Wraparound

647 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

5 s

Pre Arcing Time: Open within 5 s at 250% Rated Current

Tape And Reel

0.062 in (1.575 mm)

0.033 in (0.85 mm)

12 V

21 mΩ

0603

0.02 in (0.508 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

0438003.WR

Littelfuse

Electric Fuse

Surface Mount

12 V

32 V

3 A

Wraparound

292.2 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

4 h

0.29

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

32 V

25.2 mΩ

0603

0.061 x 0.033 x 0.02 in (1.54 x 0.85 x 0.5 mm)

0.02 in (0.5 mm)

CSA; UL

150 °C (302 °F)

Fast

043802.5WRA

Littelfuse

Electric Fuse

Surface Mount

12 V

32 V

2.5 A

Wraparound

240 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

5 s

Pre Arcing Time: Open within 5 s at 250% Rated Current

Tape And Reel

0.062 in (1.575 mm)

0.033 in (0.85 mm)

12 V

36.4 mΩ

0603

0.02 in (0.508 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

043802.5WR

Littelfuse

Electric Fuse

Surface Mount

12 V

32 V

2.5 A

Wraparound

197.7 mJ

-55 °C (-67 °F)

Tin with Nickel barrier

50 A

4 h

0.19

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

32 V

32.4 mΩ

0603

0.061 x 0.033 x 0.02 in (1.54 x 0.85 x 0.5 mm)

0.02 in (0.5 mm)

CSA; UL

150 °C (302 °F)

Fast

0438006.WR

Littelfuse

Electric Fuse

Surface Mount

12 V

24 V

6 A

Wraparound

1.384 J

-55 °C (-67 °F)

Tin with Nickel barrier

50 A

4 h

1.3

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

24 V

8.7 mΩ

0603

0.061 x 0.033 x 0.02 in (1.54 x 0.85 x 0.5 mm)

0.02 in (0.5 mm)

CSA; UL

150 °C (302 °F)

Fast

0438005.WRA

Littelfuse

Electric Fuse

Surface Mount

12 V

32 V

5 A

Wraparound

747 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

5 s

Pre Arcing Time: Open within 5 s at 250% Rated Current

Tape And Reel

0.062 in (1.575 mm)

0.033 in (0.85 mm)

12 V

12.7 mΩ

0603

0.02 in (0.508 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

0438004.WRA

Littelfuse

Electric Fuse

Surface Mount

12 V

32 V

4 A

Wraparound

730 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

5 s

Pre Arcing Time: Open within 5 s at 250% Rated Current

Tape And Reel

0.062 in (1.575 mm)

0.033 in (0.85 mm)

12 V

17.7 mΩ

0603

0.02 in (0.508 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

043803.5WR

Littelfuse

Electric Fuse

Surface Mount

12 V

32 V

3.5 A

Wraparound

475.2 mJ

-55 °C (-67 °F)

Tin with Nickel barrier

50 A

4 h

0.47

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

32 V

20.3 mΩ

0603

0.061 x 0.033 x 0.02 in (1.54 x 0.85 x 0.5 mm)

0.02 in (0.5 mm)

CSA; UL

150 °C (302 °F)

Fast

0438006.WRA

Littelfuse

Electric Fuse

Surface Mount

12 V

24 V

6 A

Wraparound

1.444 J

-55 °C (-67 °F)

Tin Over Nickel

50 A

5 s

Pre Arcing Time: Open within 5 s at 250% Rated Current

Tape And Reel

0.062 in (1.575 mm)

0.033 in (0.85 mm)

12 V

8.6 mΩ

0603

0.02 in (0.508 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

0438005.WR

Littelfuse

Electric Fuse

Surface Mount

12 V

32 V

5 A

Wraparound

739.8 mJ

-55 °C (-67 °F)

Tin with Nickel barrier

50 A

4 h

0.74

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

32 V

11.3 mΩ

0603

0.061 x 0.033 x 0.02 in (1.54 x 0.85 x 0.5 mm)

0.02 in (0.5 mm)

CSA; UL

150 °C (302 °F)

Fast

0438004.WR

Littelfuse

Electric Fuse

Surface Mount

12 V

32 V

4 A

Wraparound

692 mJ

-55 °C (-67 °F)

Tin with Nickel barrier

50 A

4 h

0.69

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

32 V

16.9 mΩ

0603

0.061 x 0.033 x 0.02 in (1.54 x 0.85 x 0.5 mm)

0.02 in (0.5 mm)

CSA; UL

150 °C (302 °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.