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

431.500

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

500 mA

Wraparound

8.7 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

50 A

431

Rated Breaking Capacity at 32 VDC: 50 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

0208.500DRT1

Littelfuse

Electric Fuse

500 mA

End Cap

365 mJ

-55 °C (-67 °F)

100 A

Tape And Reel

0.189 in (4.8 mm)

350 V

2AG

0.189 x 0.587 in (4.8 x 14.9 mm)

0.587 in (14.9 mm)

CE, UL

125 °C (257 °F)

Fast

04735.00MAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

210 mJ

-60 °C (-76 °F)

Tin

50 A

2 ms

Pre Arcing Time: Blow within 0.002 s at 800% Rated Current

0.21

Ammo Pack

0.135 in (3.43 mm)

e3

125 V

Pico

0.135 x 0.28 in (3.43 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Time Delay

0477.500MXEP

Littelfuse

Electric Fuse

Through Hole Mount

500 V

400 V

500 mA

Pin Wire

300 mJ

-55 °C (-67 °F)

100 A

5 ms

Rated Breaking Capacity at 400 VDC: 1500 A

Bulk

0.22 in (5.6 mm)

0.197 x 0.787 in (5 x 20 mm)

0.236 x 0.886 in (6 x 22.5 mm)

0.846 in (21.5 mm)

125 °C (257 °F)

Time Lag

0251.500MRHF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Matte Tin

50 A

251

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.11 in (2.8 mm)

e3

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; QPL; TUV; UL

125 °C (257 °F)

Very Fast

39805000000

Littelfuse

Electric Fuse

Through Hole Mount

65 V

65 V

500 mA

Pin Wire

330 mJ

-40 °C (-40 °F)

Tin

50 A

10 s

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

TE5

0.315 in (8 mm)

CUL; UL

125 °C (257 °F)

Medium Time Lag

04735.00PXT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

210 mJ

-55 °C (-67 °F)

Tin

50 A

4 h

0.21

Bulk

0.135 in (3.43 mm)

e3

125 V

Pico

0.135 x 0.28 in (3.43 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Time Lag

0251.500PXT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Tin

50 A

4 ms

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

0.11 in (2.8 mm)

e3

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; QPL; TUV; UL

125 °C (257 °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

202.500G

Littelfuse

Electric Fuse

Surface Mount

250 V

500 mA

Gull Wing

36.3 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

1910500040

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

240 mJ

-25 °C (-13 °F)

35 A

Bulk

0.213 in (5.4 mm)

5 s

0.197 x 0.787 in (5 x 20 mm)

0.827 in (21 mm)

CUL; UL

70 °C (158 °F)

Very Fast

0251.500MRL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Tin

50 A

4 ms

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.11 in (2.8 mm)

e3

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0875.500MRET1P

Littelfuse

Electric Fuse

500 mA

Pin Wire

-55 °C (-67 °F)

50 A

4 h

0.28

0.142 in (3.6 mm)

250 V

0.142 x 0.394 in (3.6 x 10 mm)

0.394 in (10 mm)

CSA, UL

125 °C (257 °F)

Time Lag

253.500

Littelfuse

Electric Fuse

125 V

125 V

500 mA

253

02515.00HXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Tin

50 A

4 ms

Pre-Arcing Time: Open within 4 ms at 1000% Rated Current

Bulk

0.11 in (2.8 mm)

e3

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; CUL; TUV; UL

125 °C (257 °F)

Very Fast

0219.500AXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

2.9 J

150 A

219A

0.228 in (5.8 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

BSI; CCC; CSA; IEC; KTL; METI; PSE; SEMKO; UL; VDE

Time Lag

0455.500MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

End Cap

143 mJ

-55 °C (-67 °F)

Tin Lead

50 A

455

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)

IEC; UL

125 °C (257 °F)

Fast

0662.500MALL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

500 mA

Pin Wire

90 mJ

-40 °C (-40 °F)

Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

Ammo Pack

0.335 in (8.5 mm)

e3

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CCC; KTL; PSE; UL; VDE

85 °C (185 °F)

Fast

0251.500HRHF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Pure Tin

50 A

0251

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.11 in (2.8 mm)

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0253.500PRT3

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Pure Tin

50 A

4 ms

Pre-Arcing Time: Open within 4 ms at 1000% Rated Current

Tape And Reel

0.103 in (2.61 mm)

Pico

0.103 x 0.28 in (2.61 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; CUL; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0253.500HR

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

50 A

4 ms

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.11 in (2.8 mm)

125 V

Pico

0.28 in (7.11 mm)

CCC; CSA; CUL; TUV; QPL; UL

125 °C (257 °F)

Very Fast

0473.500PXT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

210 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Bulk

0.135 in (3.43 mm)

0.135 x 0.28 in (3.43 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Time Lag

0472.500MXT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

192.7 mJ

-55 °C (-67 °F)

Tin

50 A

Bulk

0.11 in (2.8 mm)

e3

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

UL

125 °C (257 °F)

Time Lag

IDSR.500

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

500 mA

End Cap

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

0.752 x 5 in (19.1 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

IDSR500.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

500 mA

End Cap

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

5 in (127 mm)

CSA; UL

Time Delay

37305000410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

25 mJ

-40 °C (-40 °F)

Tin

50 A

5 s

Bulk

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CSA; CUL; UL

85 °C (185 °F)

Very Fast

313.500P

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

2.55 J

Matte Tin

35 A

4 h

0.25 in (6.35 mm)

e3

250 V

1.25 Ω

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; METI; PSE; UL

Slow

KLKR.500T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

500 mA

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

CC

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE, CSA, UL

Fast

0268.500V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

-55 °C (-67 °F)

Gold

10 kA

4 h

Bulk

0.235 in (5.97 mm)

e4

125 V

Micro

0.235 x 0.29 in (5.97 x 7.37 mm)

0.29 in (7.37 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

0251.500HRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Matte Tin

50 A

251

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.11 in (2.8 mm)

e3

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0251.500VXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Matte Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

0.11 in (2.8 mm)

e3

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA; QPL; TUV; UL

125 °C (257 °F)

Very Fast

04910.500MRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

-55 °C (-67 °F)

Pure Tin

50 A

300 ms

Pre-Arcing Time: Open within 0.3 s at 300% Rated Current

Tape And Reel

0.11 in (2.8 mm)

Pico

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0213.500MXBP

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

2.905 J

-55 °C (-67 °F)

35 A

2.905

0.205 in (5.2 mm)

250 V

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)

BSI, CCC, CE, CSA, UL, VDE

125 °C (257 °F)

Time Lag

197-0500-040

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

190 mJ

-25 °C (-13 °F)

35 A

Bulk

0.213 in (5.4 mm)

120 s

0.197 x 0.787 in (5 x 20 mm)

0.827 in (21 mm)

CUL; UL

70 °C (158 °F)

Medium Time Lag

0263.500HAT1HF

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

4190500000

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

End Cap

74 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

4560500000

Littelfuse

Electric Fuse

Surface Mount

125 V

500 mA

Wraparound

8 J

-40 °C (-40 °F)

Blister Tape

0.398 in (10.1 mm)

0.098 in (2.5 mm)

120 s

10025

0.033 in (0.85 mm)

CUL; UL

85 °C (185 °F)

02130.5HX

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

2.905 J

-55 °C (-67 °F)

35 A

20 ms

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

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; KC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

39205000000

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

0.335 in (8.5 mm)

0.157 in (4 mm)

TE5

0.315 in (8 mm)

CE; CUL; UL; VDE; CCC

125 °C (257 °F)

Time Lag

40000500000

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

Ammo Pack; Tape

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

02130.5MRET1

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

2.905 J

-55 °C (-67 °F)

35 A

20 ms

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

Tape And Reel

0.205 in (5.2 mm)

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Time Lag

39205000440

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)

CE; CUL; UL; VDE; CCC

125 °C (257 °F)

Time Lag

02130.5MX

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

2.905 J

-55 °C (-67 °F)

35 A

20 ms

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

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; KC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

02130.5MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

2.905 J

-55 °C (-67 °F)

35 A

20 ms

Bulk

0.217 in (5.5 mm)

0.197 x 0.787 in (5 x 20 mm)

0.846 in (21.5 mm)

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

125 °C (257 °F)

Time Lag

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

40000500075

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

02130.5MXG

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

2.905 J

-55 °C (-67 °F)

35 A

20 ms

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

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; KC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

02130.5MXB

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

2.905 J

-55 °C (-67 °F)

35 A

20 ms

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

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; KC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

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.