63 V Fuses 505

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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

30303150421

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

315 mA

Pin Wire

15 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

30308000001

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

800 mA

Pin Wire

25 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

30305000421

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

500 mA

Pin Wire

42 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

30304000421

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

400 mA

Pin Wire

25 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

30312000001

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

2 A

Pin Wire

170 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

30306300001

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

630 mA

Pin Wire

15 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

30300630131

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

63 mA

Pin Wire

130 μJ

-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

30302000001

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

200 mA

Pin Wire

4.2 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

30312000131

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

2 A

Pin Wire

170 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

30313150421

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

3.15 A

Pin Wire

450 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

30315000131

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

5 A

Pin Wire

1.5 J

-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

30305000131

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

500 mA

Pin Wire

42 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

30314000421

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

4 A

Pin Wire

1 J

-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

30306300131

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

630 mA

Pin Wire

15 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

30301600131

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

160 mA

Pin Wire

2.9 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

30305000001

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

500 mA

Pin Wire

42 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

30301000131

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

100 mA

Pin Wire

400 μJ

-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

30304000001

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

400 mA

Pin Wire

25 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

30315000001

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

5 A

Pin Wire

1.5 J

-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

0440002.WRA

Littelfuse

Electric Fuse

Surface Mount

32 V

63 V

2 A

Wraparound

432.6 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

5 s

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

1206

0.126 x 0.064 x 0.033 in (3.2 x 1.63 x 0.835 mm)

0.033 in (0.835 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

3030800042

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

800 mA

Pin Wire

25 mJ

-25 °C (-13 °F)

Matte Tin

50 A

Rated Breaking Capacity at 63 VDC: 50 A

0.025

Bulk

0.236 in (6 mm)

Supplemental

e3

125 V

5 s

Micro

0.236 x 0.315 in (6 x 8 mm)

0.315 in (8 mm)

CSA; UL

70 °C (158 °F)

Fast

3030250042

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

250 mA

Pin Wire

8.2 mJ

-25 °C (-13 °F)

Matte Tin

50 A

Rated Breaking Capacity at 63 VDC: 60 A

0.0082

Bulk

0.236 in (6 mm)

Supplemental

e3

125 V

5 s

Micro

0.236 x 0.315 in (6 x 8 mm)

0.315 in (8 mm)

UL

70 °C (158 °F)

Fast

1206SFF100F/63

Littelfuse

Electric Fuse

Surface Mount

63 V

1 A

Wraparound

-55 °C (-67 °F)

Tin with Nickel barrier

50 A

4 h

Rated Breaking Capacity at 63 VDC: 50 A

0.012

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e3

63 V

0.126 x 0.063 x 0.043 in (3.2 x 1.6 x 1.1 mm)

0.043 in (1.1 mm)

UL

125 °C (257 °F)

Fast

1206SFS200F/63

Littelfuse

Electric Fuse

Surface Mount

63 V

2 A

End Cap

630 mJ

-55 °C (-67 °F)

50 A

Rated Breaking Capacity at 63 VDC: 50 A

0.126 in (3.2 mm)

0.063 in (1.6 mm)

0.126 x 0.063 x 0.038 in (3.2 x 1.6 x 0.97 mm)

0.038 in (0.97 mm)

UL

125 °C (257 °F)

Slow

1206SFF150FM/63

Littelfuse

Electric Fuse

Surface Mount

63 V

1.5 A

Wraparound

-55 °C (-67 °F)

Tin Over Nickel

50 A

Rated Breaking Capacity at 63 VDC: 50 A

0.134 in (3.4 mm)

0.071 in (1.8 mm)

e3

0.134 x 0.071 x 0.051 in (3.4 x 1.8 x 1.3 mm)

0.051 in (1.3 mm)

UL

125 °C (257 °F)

1206SFP100F/63-2

Littelfuse

Electric Fuse

Surface Mount

63 V

1 A

Wraparound

110 mJ

-55 °C (-67 °F)

50 A

0.134 in (3.4 mm)

0.071 in (1.8 mm)

63 V

1206

0.134 x 0.071 x 0.046 in (3.4 x 1.8 x 1.17 mm)

0.046 in (1.17 mm)

UL

125 °C (257 °F)

1206SFF050F/63

Littelfuse

Electric Fuse

Surface Mount

63 V

500 mA

Wraparound

-55 °C (-67 °F)

Tin with Nickel barrier

50 A

4 h

Rated Breaking Capacity at 63 VDC: 50 A

0.0021

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e3

63 V

0.126 x 0.063 x 0.043 in (3.2 x 1.6 x 1.1 mm)

0.043 in (1.1 mm)

UL

125 °C (257 °F)

Fast

429001WR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1 A

Wraparound

35 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

50 A

429

Rated Breaking Capacity at 63 VDC: 50 A

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e0

0.125 x 0.06 x 0.045 in (3.18 x 1.52 x 1.14 mm)

0.045 in (1.14 mm)

CSA; UL

90 °C (194 °F)

Very Fast

3030400000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

400 mA

Pin Wire

25 mJ

-25 °C (-13 °F)

Matte Tin

50 A

Rated Breaking Capacity at 63 VDC: 60 A

0.025

Ammo Pack; Tape And Reel

0.236 in (6 mm)

Supplemental

e3

125 V

5 s

Micro

0.236 x 0.315 in (6 x 8 mm)

0.315 in (8 mm)

UL

70 °C (158 °F)

Fast

468001.

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1 A

Wraparound

127 mJ

-55 °C (-67 °F)

50 A

Rated Breaking Capacity at 63 VDC: 50

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

0.125 x 0.06 x 0.023 in (3.18 x 1.52 x 0.58 mm)

0.023 in (0.58 mm)

CSA; UL

90 °C (194 °F)

Slow

0433.600

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

600 mA

Wraparound

13.1 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

50 A

0433

Rated Breaking Capacity at 63 VDC: 50 A

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e0

0.125 x 0.06 x 0.023 in (3.18 x 1.52 x 0.58 mm)

0.023 in (0.58 mm)

CSA; UL

90 °C (194 °F)

Very Fast

0433.500

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

500 mA

Wraparound

6 mJ

-55 °C (-67 °F)

Tin/Lead with Nickel barrier

50 A

200 ms

Pre Arcing Time: Open within 0.2 s at 300% Rated Current

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e0

63 V

1206

0.125 x 0.06 x 0.023 in (3.18 x 1.52 x 0.58 mm)

0.023 in (0.58 mm)

CSA; UL

90 °C (194 °F)

Very Fast

043301.5

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.5 A

Wraparound

125 mJ

-55 °C (-67 °F)

Tin/Lead with Nickel barrier

50 A

4 h

Rated Breaking Capacity at 63 VDC: 50 A

0.125

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e0

63 V

62.5 mΩ

1206

0.125 x 0.06 x 0.023 in (3.18 x 1.52 x 0.58 mm)

0.023 in (0.58 mm)

CSA; UL

90 °C (194 °F)

Very Fast

4291.75WR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.75 A

Wraparound

150 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

50 A

429

Rated Breaking Capacity at 63 VDC: 50 A

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e0

0.125 x 0.06 x 0.045 in (3.18 x 1.52 x 1.14 mm)

0.045 in (1.14 mm)

CSA; UL

90 °C (194 °F)

Very Fast

0407002.WR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

2 A

Wraparound

870 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

2 ms

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

63 V

100 mΩ

1206

0.033 in (0.835 mm)

UL

150 °C (302 °F)

Time Lag

3030500013

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

500 mA

Pin Wire

42 mJ

-25 °C (-13 °F)

Matte Tin

50 A

Rated Breaking Capacity at 63 VDC: 60 A

0.04

Bulk

0.236 in (6 mm)

Supplemental

e3

125 V

5 s

Micro

0.236 x 0.315 in (6 x 8 mm)

0.315 in (8 mm)

UL

70 °C (158 °F)

Fast

1206SFS150FM/63

Littelfuse

Electric Fuse

Surface Mount

63 V

1.5 A

End Cap

-55 °C (-67 °F)

Rated Breaking Capacity at 63 VDC: 50 A

0.134 in (3.4 mm)

0.071 in (1.8 mm)

0.134 x 0.071 x 0.046 in (3.4 x 1.8 x 1.17 mm)

0.046 in (1.17 mm)

UL

125 °C (257 °F)

Slow

0433001.NR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1 A

Wraparound

35 mJ

-55 °C (-67 °F)

Tin Lead

50 A

433

Rated Breaking Capacity at 63 VDC: 50 A

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e0

0.125 x 0.06 x 0.023 in (3.18 x 1.52 x 0.58 mm)

0.023 in (0.58 mm)

CSA; UL

90 °C (194 °F)

Very Fast

3030080000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

80 mA

Pin Wire

200 μJ

-25 °C (-13 °F)

Matte Tin

50 A

Rated Breaking Capacity at 63 VDC: 60 A

0.0002

Ammo Pack; Tape And Reel

0.236 in (6 mm)

Supplemental

e3

125 V

5 s

Micro

0.236 x 0.315 in (6 x 8 mm)

0.315 in (8 mm)

UL

70 °C (158 °F)

Fast

0466.500

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

500 mA

Wraparound

6 mJ

-55 °C (-67 °F)

Matte Tin with Nickel barrier

50 A

Rated Breaking Capacity at 63 VDC: 50 A

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e3

0.125 x 0.06 x 0.023 in (3.18 x 1.52 x 0.58 mm)

0.023 in (0.58 mm)

CSA; UL

90 °C (194 °F)

Very Fast

04370.500WRA

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

500 mA

Wraparound

18 mJ

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

1206

0.033 in (0.835 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

04370.750WRA

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

750 mA

Wraparound

64 mJ

-55 °C (-67 °F)

50 A

1 s

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

1206

0.033 in (0.835 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

30311000131

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

1 A

Pin Wire

39 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

30313150001

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

3.15 A

Pin Wire

450 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

30302000131

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

200 mA

Pin Wire

4.2 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

30308000131

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

800 mA

Pin Wire

25 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

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.