500 mA Fuses 1,195

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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

KLKD500.HXR

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

500 mA

End Cap

-55 °C (-67 °F)

100 kA

4 m

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL

125 °C (257 °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

40000500440

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

2.17 J

-40 °C (-40 °F)

130 A

20 ms

Pre Arcing Time: Open within 0.02 s at 1000% Rated Current

Bulk

0.335 in (8.5 mm)

0.157 in (4 mm)

TE5

0.315 in (8 mm)

CCC; CE; CUL; KC; UL; VDE

85 °C (185 °F)

Time Lag

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

KLKD.500.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

500 mA

End Cap

-55 °C (-67 °F)

100 kA

4 m

Pre Arcing Time: Clear within 4 m at 200% Rated Current; Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

125 °C (257 °F)

Fast

02680.500V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.235 in (5.97 mm)

Micro

0.29 in (7.37 mm)

CSA; UL

125 °C (257 °F)

Very Fast

02620.500V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.235 in (5.97 mm)

Micro

0.29 in (7.37 mm)

CSA; UL

125 °C (257 °F)

Very Fast

03080.5.UR

Littelfuse

Electric Fuse

Surface Mount

24 V

30 V

500 mA

Wraparound

22 mJ

-40 °C (-40 °F)

50 A

1 m

Tape And Reel

0.213 in (5.4 mm)

0.15 in (3.8 mm)

0.144 in (3.65 mm)

CUL; IEC; UL

70 °C (158 °F)

0FLA.500T

Littelfuse

Electric Fuse

Inline/Holder

125 V

500 mA

End Cap

10 kA

5 s

Bulk

0.406 in (10.31 mm)

5AG

Indicator

1.5 in (38.1 mm)

UL

Time Delay

FLA.500

Littelfuse

Electric Fuse

Inline/Holder

125 V

500 mA

End Cap

10 kA

5 s

Bulk

0.406 in (10.31 mm)

5AG

Indicator

1.5 in (38.1 mm)

UL

Time Delay

02730.500V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

71.6 mJ

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.25 in (6.35 mm)

Micro

0.35 in (8.89 mm)

CSA; QPL; UL

85 °C (185 °F)

Very Fast

FLNR.500T

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

500 mA

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

Bulk

0.563 in (14.3 mm)

2 in (50.8 mm)

CSA; UL

Time Delay

02130.5MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

2.905 J

-55 °C (-67 °F)

35 A

20 ms

Bulk

0.205 in (5.2 mm)

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

3925000000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

2.175 J

-40 °C (-40 °F)

35 A

20 ms

Ammo Pack; Tape

0.335 in (8.5 mm)

0.157 in (4 mm)

TE5

0.315 in (8 mm)

CCC; CE; CUL; KC; VDE; UL

125 °C (257 °F)

Time Lag

FLSR.500TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

500 mA

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

Indicator

5 in (127 mm)

CSA; UL

Time Delay

02730.500H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

71.6 mJ

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.25 in (6.35 mm)

Micro

0.35 in (8.89 mm)

CSA; QPL; UL

85 °C (185 °F)

Very Fast

0266.500VXT

Littelfuse

Electric Fuse

Through Hole Mount

125 V

500 mA

Pin Wire

-55 °C (-67 °F)

50 A

1 s

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

0.093 in (2.36 mm)

Pico

0.28 in (7.11 mm)

CSA; QPL

125 °C (257 °F)

Very Fast

02720.500V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

71.6 mJ

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.235 in (5.97 mm)

Micro

0.287 in (7.3 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

0265.500VXT

Littelfuse

Electric Fuse

Through Hole Mount

125 V

500 mA

Pin Wire

-55 °C (-67 °F)

50 A

1 s

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

0.093 in (2.36 mm)

Pico

0.28 in (7.11 mm)

CSA; QPL

125 °C (257 °F)

Very Fast

0BLS.500T

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 mA

End Cap

10 kA

2 m

Bulk

0.406 in (10.31 mm)

0.394 x 1.378 in (10 x 35 mm)

1.375 in (34.925 mm)

CSA; UL

Fast

3925000440

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

2.175 J

-40 °C (-40 °F)

35 A

20 ms

Bulk

0.335 in (8.5 mm)

0.157 in (4 mm)

TE5

0.315 in (8 mm)

CCC; CE; CUL; KC; VDE; UL

125 °C (257 °F)

Time Lag

02780.500V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

71.6 mJ

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.235 in (5.97 mm)

Micro

0.287 in (7.3 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

02740.500V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

71.6 mJ

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.25 in (6.35 mm)

Micro

0.35 in (8.89 mm)

CSA; QPL; UL

Very Fast

02790.500V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

71.6 mJ

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.25 in (6.35 mm)

Micro

0.35 in (8.89 mm)

CSA; QPL; UL

85 °C (185 °F)

Very Fast

04000025NR

Littelfuse

Electric Fuse

Surface Mount

5 V

500 mA

Wraparound

1.69 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

0.02 in (0.502 mm)

150 °C (302 °F)

Fast

37205000075

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

2 J

-40 °C (-40 °F)

35 A

20 ms

0.335 in (8.5 mm)

TR5

0.315 in (8 mm)

CCC; CE; CUL; KC; UL; VDE

85 °C (185 °F)

Time Lag

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

3915000000

Littelfuse

Electric Fuse

Through Hole Mount

65 V

65 V

500 mA

Pin Wire

63 mJ

-40 °C (-40 °F)

50 A

2 s

Rated Breaking Capacity at 65 VDC: 50 A

Ammo Pack

0.335 in (8.5 mm)

0.157 in (4 mm)

TE5

0.315 in (8 mm)

CSA, UL

125 °C (257 °F)

Fast

0FLM.500T

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

500 mA

End Cap

10 kA

5 s

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

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; QPL; UL

Time Delay

KLKD.500.H

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

500 mA

End Cap

-55 °C (-67 °F)

100 kA

4 m

Pre Arcing Time: Clear within 4 m at 200% Rated Current; Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

125 °C (257 °F)

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

LLSRK.500.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

500 mA

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL; QPL

Time Delay

LLNRK.500.V

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

500 mA

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

0.563 in (14.3 mm)

2 in (50.8 mm)

CE; CSA; UL; QPL

Time Delay

02170.5MRET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

215 mJ

-55 °C (-67 °F)

35 A

10 ms

Pre Arcing Time: Open within 10 ms at 400% Rated Current

Tape And Reel

0.217 in (5.5 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.846 in (21.5 mm)

CCC; CE; CSA; CUL; KC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Fast

02170.5HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

215 mJ

-55 °C (-67 °F)

35 A

10 ms

Pre Arcing Time: Open within 10 ms at 400% Rated Current

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; CUL; KC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Fast

02170.5MXBP

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

215 mJ

-55 °C (-67 °F)

35 A

10 ms

Pre Arcing Time: Open within 10 ms at 400% Rated Current

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; CUL; KC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Fast

02170.5MXGP

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

215 mJ

-55 °C (-67 °F)

35 A

10 ms

Pre Arcing Time: Open within 10 ms at 400% Rated Current

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; CUL; KC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Fast

216.500PV

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

169 mJ

-55 °C (-67 °F)

Matte Tin

1.5 kA

216P

Bulk

0.205 in (5.2 mm)

e3

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; CSA; IEC; SEMKO; UL; VDE

125 °C (257 °F)

Fast

3740500000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

600 mJ

-40 °C (-40 °F)

Tin

50 A

Tape And Reel

0.335 in (8.5 mm)

e3

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CSA; UL

85 °C (185 °F)

Time Lag

0263.500WAT1HF

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

84 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Ammo Pack

0.155 in (3.94 mm)

0.155 x 0.28 in (3.94 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

1206SFF050FM/63

Littelfuse

Electric Fuse

Surface Mount

63 V

500 mA

End Cap

-55 °C (-67 °F)

Tin Over Nickel

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)

0303.500H

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

500 mA

End Cap

Bulk

0.25 in (6.35 mm)

32 V

7AG

0.875 in (22.22 mm)

Normal

0253.500MAL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A

Ammo Pack

0.103 in (2.61 mm)

e3

0.103 x 0.28 in (2.61 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; QPL; TUV; UL

125 °C (257 °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.