Surface Mount Fuses 2,400+

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

04671.75

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

1.75 A

Wraparound

90.3 mJ

-55 °C (-67 °F)

Tin/Nickel

35 A

Rated Breaking Capacity at 32 VDC: 35 A

0.063 in (1.6 mm)

0.032 in (0.813 mm)

0.063 x 0.032 x 0.012 in (1.6 x 0.813 x 0.305 mm)

0.012 in (0.305 mm)

CSA; UL

90 °C (194 °F)

Very Fast

045902.5UR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

J Bend

721 mJ

-55 °C (-67 °F)

Tin

50 A

100 ms

Pre Arcing Time: Open within 0.1 s at 300% Rated Current

0.721

Tape And Reel

0.285 in (7.24 mm)

0.17 in (4.32 mm)

e3

125 V

Pico

0.285 x 0.17 x 0.12 in (7.24 x 4.32 x 3.05 mm)

0.12 in (3.05 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

0157008DR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

8 A

Wraparound

20.23 J

-55 °C (-67 °F)

Matte Tin

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e3

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

PSE; UL

125 °C (257 °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

R451004.

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

4 A

Wraparound

3.152 J

50 A

451

CSA; UL

Very Fast

04581.25DR

Littelfuse

Electric Fuse

Surface Mount

48 V

75 V

1.25 A

Wraparound

313 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.3

Tape And Reel

0.125 in (3.175 mm)

0.062 in (1.575 mm)

e4

75 V

Nano

0.125 x 0.062 x 0.062 in (3.175 x 1.575 x 1.575 mm)

0.062 in (1.575 mm)

CUL; UL

125 °C (257 °F)

0452012.MRSN

Littelfuse

Electric Fuse

Surface Mount

72 V

75 V

12 A

Wraparound

260.46 J

-55 °C (-67 °F)

Tin/Silver

50 A

2 ms

Rated Breaking Capacity at 75 VDC: 100 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e2

72 V

Nano

0.106 in (2.69 mm)

CSA; CUL; UL

125 °C (257 °F)

Slow

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

429002WR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

2 A

Wraparound

230 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

429004WR

Littelfuse

Electric Fuse

Surface Mount

24 V

24 V

4 A

Wraparound

1.5 J

-55 °C (-67 °F)

Tin Lead Over Nickel

35 A

429

Rated Breaking Capacity at 24 VDC: 35 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

0452004.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

4 A

Wraparound

34.4 J

-55 °C (-67 °F)

Gold

50 A

0452

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; PSE; UL

125 °C (257 °F)

Time Lag

0453007.

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

7 A

End Cap

10.32 J

-55 °C (-67 °F)

Silver

50 A

4 h

10.32

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

9 mΩ

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; UL

125 °C (257 °F)

Very Fast

ITV5432L2030WR

Littelfuse

Electric Fuse

Surface Mount

62 V

30 A

Wraparound

-10 °C (14 °F)

80 A

Tape And Reel

0.213 in (5.4 mm)

0.126 in (3.2 mm)

0.071 in (1.8 mm)

CUL; TUV; UL

65 °C (149 °F)

0452.375NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

375 mA

Wraparound

101 mJ

-55 °C (-67 °F)

Gold

50 A

4 h

Rated Breaking Capacity at 125 VDC: 50 A

0.1

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

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; UL

125 °C (257 °F)

Time Lag

ITV5432L3030WR

Littelfuse

Electric Fuse

Surface Mount

62 V

30 A

Wraparound

-10 °C (14 °F)

80 A

Tape And Reel

0.213 in (5.4 mm)

0.126 in (3.2 mm)

0.071 in (1.8 mm)

CUL; TUV; UL

65 °C (149 °F)

04341.75NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

1.75 A

Wraparound

66.1 mJ

-55 °C (-67 °F)

Tin

35 A

434

Rated Breaking Capacity at 32 VDC: 35 A

Tape And Reel

0.063 in (1.6 mm)

0.032 in (0.81 mm)

e3

0.063 x 0.032 x 0.012 in (1.6 x 0.81 x 0.31 mm)

0.012 in (0.31 mm)

CSA; UL

90 °C (194 °F)

Very Fast

R451010.NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

10 A

Wraparound

26.46 J

-55 °C (-67 °F)

Tin/Lead

35 A

5 s

Pre Arcing Time: Open within 5 s at 200% Rated Current; Rated Breaking Capacity at 32 VDC: 50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e0

Nano

0.106 in (2.69 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0483007.DR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

7 A

Wraparound

6.1 J

-55 °C (-67 °F)

Copper/Nickel/Tin

50 A

5 s

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

Tape And Reel

0.13 in (3.302 mm)

0.062 in (1.575 mm)

e2

32 V

1206

0.062 in (1.5748 mm)

UL

125 °C (257 °F)

0449004.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

4 A

Wraparound

40.8 J

-55 °C (-67 °F)

Gold

50 A

2 ms

40.8

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

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)

CUL; UL

125 °C (257 °F)

Slow

043803.5WRGT

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

3.5 A

Wraparound

647 mJ

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.062 in (1.582 mm)

0.033 in (0.83 mm)

32 V

21 mΩ

0603

0.02 in (0.508 mm)

CSA; CUL; UL

150 °C (302 °F)

Fast

0494004.NRHF

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

4 A

Wraparound

576 mJ

-55 °C (-67 °F)

35 A

Tape And Reel

0.063 in (1.6 mm)

0.032 in (0.813 mm)

200 ms

0.063 x 0.032 x 0.012 in (1.6 x 0.813 x 0.305 mm)

0.012 in (0.305 mm)

CSA; UL

90 °C (194 °F)

Fast

043502.5KR

Littelfuse

Electric Fuse

Surface Mount

32 V

2.5 A

Wraparound

156 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

Rated Breaking Capacity at 32 VDC: 35 A

Tape And Reel

0.039 in (0.99 mm)

0.02 in (0.51 mm)

e3

0.039 x 0.02 x 0.012 in (0.99 x 0.51 x 0.3 mm)

0.012 in (0.3 mm)

CSE; UL

90 °C (194 °F)

Fast

0453015NR

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

15 A

Wraparound

97.82 J

-55 °C (-67 °F)

Silver

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

65 V

Nano

0.106 in (2.69 mm)

CSA; CUL; UL

125 °C (257 °F)

Very Fast

0453.750

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

750 mA

End Cap

185 mJ

Silver

50 A

e4

CSA; UL

Very Fast

0157.250.DR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

250 mA

Wraparound

11.26 mJ

-55 °C (-67 °F)

Silver

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)

UL

125 °C (257 °F)

Very Fast

04611.25

Littelfuse

Electric Fuse

Surface Mount

600 V

250 V

1.25 A

End Cap

16.5 J

-55 °C (-67 °F)

Silver

60 A

4 h

Rated Breaking Capacity at 600 V: 60 A, Joule Integral Nom at 250 VDC: 22.2

16.5

Tape And Reel

0.398 in (10.1 mm)

0.123 in (3.12 mm)

e4

600 V

110 mΩ

0.398 x 0.123 x 0.123 in (10.1 x 3.12 x 3.12 mm)

0.123 in (3.12 mm)

CSA; UL

125 °C (257 °F)

Slow

0451.500NRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

82.4 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

0603SFF300F/32

Littelfuse

Electric Fuse

Surface Mount

32 V

3 A

Wraparound

-55 °C (-67 °F)

Tin with Nickel barrier

35 A

4 h

Rated Breaking Capacity at 32 VDC: 35 A

0.19

0.063 in (1.6 mm)

0.031 in (0.8 mm)

e3

32 V

0.063 x 0.031 x 0.031 in (1.6 x 0.8 x 0.8 mm)

0.031 in (0.8 mm)

UL

125 °C (257 °F)

Fast

43101.5

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

1.5 A

Wraparound

52.6 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

35 A

431

Rated Breaking Capacity at 32 VDC: 35 A

0.063 in (1.6 mm)

0.031 in (0.79 mm)

e0

0.063 x 0.031 x 0.018 in (1.6 x 0.79 x 0.46 mm)

0.018 in (0.46 mm)

CSA; UL

90 °C (194 °F)

Very Fast

0157.062.DR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

62 mA

Wraparound

190 μJ

-55 °C (-67 °F)

Gold

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)

UL

125 °C (257 °F)

Very Fast

4192100000

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

10 A

End Cap

23.5 J

-65 °C (-85 °F)

Silver

50 A

Tape And Reel

0.24 in (6.1 mm)

0.109 in (2.77 mm)

e4

5 s

0.24 x 0.109 x 0.109 in (6.1 x 2.77 x 2.77 mm)

0.109 in (2.77 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0453.500NRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

82.4 mJ

-55 °C (-67 °F)

Silver

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

5 s

Nano

0.106 in (2.69 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0454003.

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

End Cap

20.16 J

-55 °C (-67 °F)

Silver

50 A

Rated Breaking Capacity at 125 VDC: 50 A

Tape And Reel

0.106 in (2.69 mm)

0.106 in (2.69 mm)

e4

0.106 x 0.106 x 0.24 in (2.69 x 2.69 x 6.1 mm)

0.24 in (6.1 mm)

CSA; METI; PSE; UL

125 °C (257 °F)

Fast

160005.MR

Littelfuse

Electric Fuse

Surface Mount

250 V

5 A

Wraparound

122.39 J

-55 °C (-67 °F)

50 A

4 h

180.6

Tape And Reel

0.398 in (10.1 mm)

0.123 in (3.12 mm)

250 V

Nano

0.398 x 0.123 x 0.123 in (10.1 x 3.12 x 3.12 mm)

0.123 in (3.12 mm)

UL

125 °C (257 °F)

0448.630NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

630 mA

End Cap

121 mJ

-55 °C (-67 °F)

Gold

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; PSE; UL

125 °C (257 °F)

Very Fast

043303.0NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

3 A

Wraparound

700 mJ

-55 °C (-67 °F)

Tin Lead

50 A

Rated Breaking Capacity at 32 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

4190750001

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

750 mA

End Cap

200 mJ

-65 °C (-85 °F)

Silver

50 A

Tape And Reel

0.24 in (6.1 mm)

0.109 in (2.77 mm)

e4

5 s

0.24 x 0.109 x 0.109 in (6.1 x 2.77 x 2.77 mm)

0.109 in (2.77 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0453.315

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

22 mA

End Cap

1.92 J

Silver

50 A

e4

CSA; UL

Very Fast

0453.250NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

250 mA

Wraparound

15.8 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

0453012.MRL

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

12 A

Wraparound

47.97 J

-55 °C (-67 °F)

Silver

50 A

20 s

Pre Arcing Time: Open within 20 s at 200% Rated Current

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

65 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; UL

125 °C (257 °F)

Very Fast

R452003.NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

End Cap

20.16 J

-55 °C (-67 °F)

Tin Lead

50 A

452

Rated Breaking Capacity at 125 VDC: 50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e0

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)

Slow

04517.00NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

7 A

Wraparound

10.32 J

-55 °C (-67 °F)

Gold

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; PSE; UL

125 °C (257 °F)

Very Fast

044103.5WRA

Littelfuse

Electric Fuse

Surface Mount

32 V

3.5 A

Wraparound

943.8 mJ

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

0603

0.063 x 0.035 x 0.022 in (1.61 x 0.88 x 0.55 mm)

0.02 in (0.502 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

1206SFS550FM/24

Littelfuse

Electric Fuse

Surface Mount

24 V

5.5 A

Wraparound

-55 °C (-67 °F)

Rated Breaking Capacity at 24 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

044003.5WR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

3.5 A

Wraparound

1.789 J

-55 °C (-67 °F)

Tin

50 A

4 h

0.075

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

32 V

1206

0.126 x 0.064 x 0.032 in (3.2 x 1.63 x 0.82 mm)

0.032 in (0.82 mm)

CSA; UL

150 °C (302 °F)

045401.5NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.5 A

Wraparound

3.65 J

-55 °C (-67 °F)

Silver

50 A

2 ms

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

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)

Slow

0501015.WRT

Littelfuse

Electric Fuse

Surface Mount

32 V

15 A

Wraparound

36.1 J

-55 °C (-67 °F)

Tin Over Nickel

150 A

501

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

0.126 x 0.064 x 0.02 in (3.2 x 1.63 x 0.5 mm)

0.02 in (0.5 mm)

CSA; UL

150 °C (302 °F)

Fast

043305.0NR

Littelfuse

Electric Fuse

Surface Mount

24 V

24 V

5 A

Wraparound

1.6 J

-55 °C (-67 °F)

Tin Lead

50 A

433

Rated Breaking Capacity at 24 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

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.