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

01570.500DRT

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

240 mJ

-55 °C (-67 °F)

50 A

20 ms

Tape And Reel

0.256 in (6.5 mm)

0.106 in (2.69 mm)

Nano

0.106 in (2.69 mm)

CUL; PSE; UL

125 °C (257 °F)

Time Lag

01571.5DRT

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.5 A

Wraparound

3.65 J

-55 °C (-67 °F)

50 A

20 ms

Tape And Reel

0.256 in (6.5 mm)

0.106 in (2.69 mm)

Nano

0.106 in (2.69 mm)

CUL; PSE; UL

125 °C (257 °F)

Time Lag

SMD1206P025TS/TF

Littelfuse

Electric Fuse

Surface Mount

16 V

40 A

Wraparound

-40 °C (-40 °F)

Tape And Reel, Blister, 7 inch

0.138 in (3.5 mm)

0.071 in (1.8 mm)

0.039 in (1 mm)

CSA; CUL; TUV; UL

85 °C (185 °F)

01570.750DRT

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

750 mA

Wraparound

904 mJ

-55 °C (-67 °F)

50 A

20 ms

Tape And Reel

0.256 in (6.5 mm)

0.106 in (2.69 mm)

Nano

0.106 in (2.69 mm)

CUL; PSE; UL

125 °C (257 °F)

Time Lag

0456030.ERHF

Littelfuse

Electric Fuse

Surface Mount

125 V

30 A

Wraparound

81 J

-55 °C (-67 °F)

100 A

1 m

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

Tape And Reel

0.397 in (10.08 mm)

0.12 in (3.05 mm)

Nano

0.12 in (3.05 mm)

CSA; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

0494.500NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

500 mA

Wraparound

8.7 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

200 ms

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

Tape And Reel

0.063 in (1.6 mm)

0.032 in (0.813 mm)

e3

0603

0.012 in (0.305 mm)

CSA; UL

90 °C (194 °F)

Fast

0456025.ERHF

Littelfuse

Electric Fuse

Surface Mount

125 V

25 A

Wraparound

45 J

-55 °C (-67 °F)

100 A

1 m

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

Tape And Reel

0.397 in (10.08 mm)

0.12 in (3.05 mm)

Nano

0.12 in (3.05 mm)

CSA; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

04590.062ER

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

62 mA

J Bend

75 μJ

-55 °C (-67 °F)

50 A

100 ms

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

Tape And Reel

0.285 in (7.24 mm)

0.17 in (4.32 mm)

Pico

0.12 in (3.05 mm)

UL

125 °C (257 °F)

Very Fast

0456040.DRHF

Littelfuse

Electric Fuse

Surface Mount

72 V

40 A

Wraparound

191 J

-55 °C (-67 °F)

180 A

1 m

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

Tape And Reel

0.492 in (12.5 mm)

0.175 in (4.445 mm)

Nano

0.175 in (4.445 mm)

CSA; CUL; TUV; UL

125 °C (257 °F)

Very Fast

04590.062UR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

62 mA

J Bend

75 μJ

-55 °C (-67 °F)

50 A

100 ms

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

Tape And Reel

0.285 in (7.24 mm)

0.17 in (4.32 mm)

Pico

0.12 in (3.05 mm)

UL

125 °C (257 °F)

Very Fast

0456020.ERHF

Littelfuse

Electric Fuse

Surface Mount

125 V

20 A

Wraparound

18 J

-55 °C (-67 °F)

100 A

1 m

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

Tape And Reel

0.397 in (10.08 mm)

0.12 in (3.05 mm)

Nano

0.12 in (3.05 mm)

CSA; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

0452001.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

1.98 J

-55 °C (-67 °F)

Gold

50 A

4 h

Rated Breaking Capacity at 125 VDC: 50 A

1.98

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; PSE; UL

125 °C (257 °F)

Time Lag

0452008.NRSN

Littelfuse

Electric Fuse

Surface Mount

72 V

75 V

8 A

Wraparound

137.34 J

-55 °C (-67 °F)

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)

72 V

Nano

0.106 in (2.69 mm)

CSA; CUL; UL

125 °C (257 °F)

Slow

1931100000

Littelfuse

Electric Fuse

Surface Mount

250 V

1 A

Wraparound

1.4 J

-25 °C (-13 °F)

Nickel

35 A

10 ms

Bulk

0.205 in (5.2 mm)

250 V

10 ms

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; CUL; DIN; IEC; SEMKO; VDE

70 °C (158 °F)

Very Fast

429.500

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

500 mA

Wraparound

6 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

50 A

200 ms

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

0.006

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e0

63 V

240 mΩ

1206

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

125 °C (257 °F)

Very Fast

0433.375NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

375 mA

Wraparound

2.8 mJ

-55 °C (-67 °F)

Tin Lead

50 A

433

Rated Breaking Capacity at 125 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

0453010NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

10 A

Wraparound

26.46 J

-55 °C (-67 °F)

Silver

35 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

Nano

0.106 in (2.69 mm)

CSA; CUL; PSE; UL

125 °C (257 °F)

Very Fast

4651.6DR

Littelfuse

Electric Fuse

Surface Mount

250 V

1.6 A

Wraparound

9.2 J

-55 °C (-67 °F)

Silver

100 A

Tape And Reel

0.476 in (12.1 mm)

0.177 in (4.5 mm)

e4

0.476 x 0.177 x 0.177 in (12.1 x 4.5 x 4.5 mm)

0.177 in (4.5 mm)

PSE

125 °C (257 °F)

Time Lag

3298040.H

Littelfuse

Electric Fuse

Surface Mount

32 V

40 A

Wraparound

5 kJ

-40 °C (-40 °F)

2 kA

100 ms

1.181 in (30 mm)

1.047 in (26.6 mm)

Mega

0.63 in (16 mm)

125 °C (257 °F)

0451.315NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

315 mA

Wraparound

31.1 mJ

-55 °C (-67 °F)

Tin/Lead

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

0459003.ER

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

J Bend

1.23 J

-55 °C (-67 °F)

Tin

50 A

100 ms

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

1.23

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

R45101.5NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.5 A

Wraparound

853 mJ

-55 °C (-67 °F)

Tin/Lead

50 A

5 s

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

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

46801.5NR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.5 A

Wraparound

288 mJ

-55 °C (-67 °F)

Matte Tin

50 A

468

Rated Breaking Capacity at 63 VDC: 50

Tape And Reel

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)

Slow

04611.25EER

Littelfuse

Electric Fuse

Surface Mount

600 V

600 V

1.25 A

Wraparound

14.2 J

-55 °C (-67 °F)

60 A

Tape And Reel

0.398 in (10.1 mm)

0.123 in (3.12 mm)

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

0.123 in (3.12 mm)

EN; IEC; UL

125 °C (257 °F)

0466.375

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

375 mA

Wraparound

2.8 mJ

-55 °C (-67 °F)

Matte Tin

50 A

Rated Breaking Capacity at 125 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

0448.800NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

800 mA

End Cap

272 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

049403.5NRHF

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

3.5 A

Wraparound

430.6 mJ

-55 °C (-67 °F)

35 A

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

Tape And Reel

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)

Fast

3998500.ZXM10

Littelfuse

Electric Fuse

Surface Mount

80 V

500 A

Wraparound

1.384 MJ

-40 °C (-40 °F)

2 kA

100 ms

1.232 in (31.3 mm)

0.984 in (25 mm)

0.63 in (16 mm)

125 °C (257 °F)

04483.15NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3.15 A

End Cap

1.81 J

-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; METI; PSE; UL

125 °C (257 °F)

Very Fast

0434005.NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

5 A

Wraparound

1.297 J

-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

0435.375

Littelfuse

Electric Fuse

Surface Mount

24 V

375 mA

Wraparound

3.5 mJ

-55 °C (-67 °F)

Tin/Nickel

35 A

Rated Breaking Capacity at 24 VDC: 35 A

0.041 in (1.04 mm)

0.02 in (0.51 mm)

0.041 x 0.02 x 0.012 in (1.04 x 0.51 x 0.3 mm)

0.012 in (0.3 mm)

CSA; UL

90 °C (194 °F)

Very Fast

0453.250MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

250 mA

Wraparound

15.8 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

202.250G

Littelfuse

Electric Fuse

Surface Mount

250 V

250 mA

Gull Wing

14.7 mJ

-55 °C (-67 °F)

Tin Lead

50 A

202

Tape And Reel

0.372 in (9.45 mm)

0.25 in (6.35 mm)

e0

0.372 x 0.25 x 0.165 in (9.45 x 6.35 x 4.19 mm)

0.165 in (4.19 mm)

CSA; UL

125 °C (257 °F)

Fast

04701.25DRSNP

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.25 A

Wraparound

302.69 mJ

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.13 in (3.302 mm)

0.062 in (1.575 mm)

1206

0.046 in (1.168 mm)

CUL; UL

125 °C (257 °F)

Fast

4656.3DR

Littelfuse

Electric Fuse

Surface Mount

250 V

6.3 A

Wraparound

144.4 J

-55 °C (-67 °F)

Silver

100 A

Tape And Reel

0.476 in (12.1 mm)

0.177 in (4.5 mm)

e4

0.476 x 0.177 x 0.177 in (12.1 x 4.5 x 4.5 mm)

0.177 in (4.5 mm)

PSE

125 °C (257 °F)

Time Lag

0454003.NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

Wraparound

20.16 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

1206SFF150F/63

Littelfuse

Electric Fuse

Surface Mount

63 V

1.5 A

Wraparound

-55 °C (-67 °F)

Tin with Nickel barrier

50 A

4 h

Rated Breaking Capacity at 63 VDC: 50 A

0.025

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

0453020.MR

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

20 A

Wraparound

154 J

-55 °C (-67 °F)

Silver

100 A

20 s

Rated Breaking Capacity at 65 VDC: 150 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)

CE; CUL; TUV; UL

125 °C (257 °F)

Very Fast

0452.500MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

240 mJ

-55 °C (-67 °F)

50 A

2 ms

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

125 V

Nano

0.106 in (2.69 mm)

CSA; CUL; UL

125 °C (257 °F)

Slow

04514.00NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

4 A

Wraparound

3.152 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

R45106.3NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

6.3 A

Wraparound

9.17 J

-55 °C (-67 °F)

Tin/Lead

50 A

5 s

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

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

045801.6DR

Littelfuse

Electric Fuse

Surface Mount

48 V

75 V

1.6 A

Wraparound

562 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.56

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)

01591.25MR

Littelfuse

Electric Fuse

Surface Mount

600 V

1.25 A

End Cap

16.5 J

-55 °C (-67 °F)

Silver

60 A

Tape And Reel

0.398 in (10.1 mm)

0.123 in (3.12 mm)

e4

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)

0448007.

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

7 A

End Cap

13.92 J

-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

0453002.MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2 A

Wraparound

530 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)

CE; CSA; PSE; TUV; UL

125 °C (257 °F)

Very Fast

431.750NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

750 mA

Wraparound

17.1 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

50 A

431

Rated Breaking Capacity at 32 VDC: 50 A

Tape And Reel

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

0452003.MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

Wraparound

20.16 J

-55 °C (-67 °F)

50 A

2 ms

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

125 V

Nano

0.106 in (2.69 mm)

CSA; CUL; UL

125 °C (257 °F)

Slow

R452004.

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

4 A

End Cap

34.4 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

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.