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

0253.500MRT3L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Tin

50 A

0253

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

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

224.500DRT1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

365 mJ

Tin

35 A

Tape And Reel

0.185 in (4.7 mm)

e3

0.185 x 0.57 in (4.7 x 14.48 mm)

0.57 in (14.48 mm)

CSA; UL

Fast

0216.500MRET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

165 mJ

-55 °C (-67 °F)

Tin

1.5 kA

0.165

Tape And Reel

0.236 in (6 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.236 x 0.886 in (6 x 22.5 mm)

0.886 in (22.5 mm)

CCC; CE; CSA; IEC; SEMKO; UL; VDE

125 °C (257 °F)

Fast

LGR1/2

Littelfuse

Electric Fuse

Inline/Holder

300 V

500 mA

End Cap

10 kA

0.61 in (15.49 mm)

0.61 x 1.82 in (15.49 x 46.23 mm)

1.82 in (46.23 mm)

CSA; UL

Fast

20105000001P

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

350 mJ

-25 °C (-13 °F)

80 A

5 ms

Pre Arcing Time: Open within 5 ms at 1000% Rated Current

Bulk

0.205 in (5.2 mm)

0.197 x 0.787 in (5 x 20 mm)

Indicator

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CUL; UL

70 °C (158 °F)

Medium Time Lag

0251.500PA

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

Ammo Pack

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

0251.500NRT1

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

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 4 ms at 1000% Rated Current

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

0202.500HXG

Littelfuse

Electric Fuse

Surface Mount

250 V

500 mA

Gull Wing

36.3 mJ

-55 °C (-67 °F)

Tin/Lead

50 A

2 s

0.0363

Bulk

0.372 in (9.45 mm)

0.25 in (6.35 mm)

e0

250 V

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

239.500M

Littelfuse

Electric Fuse

500 mA

Pin Wire

-55 °C (-67 °F)

100 A

4 h

1.98

0.787 in (20 mm)

Supplemental

250 V

909 mΩ

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CE; CSA; UL

125 °C (257 °F)

Time Lag

0672.500

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

128 mJ

Tin Lead

50 A

672

0.154 in (3.9 mm)

e0

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; UL

Fast

0253.500NAT3L

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

253

Rated Breaking Capacity at 125 VDC: 300 A

Ammo Pack

0.11 in (2.8 mm)

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

KLDR.500H

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

500 mA

End Cap

200 kA

KLDR

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

0481.500VXLM

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

500 mA

End Cap

490 mJ

-55 °C (-67 °F)

40 A

5 m

0.839 in (21.3 mm)

0.228 in (5.8 mm)

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

0219.500A

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

2.9 J

150 A

219A

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

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

Time Lag

0251.500NRL

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

0.0598

Tape And Reel

0.11 in (2.8 mm)

e3

125 V

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

3210500002

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

1.5 J

-25 °C (-13 °F)

Nickel

80 A

Bulk

0.205 in (5.2 mm)

250 V

5 ms

Indicator

0.205 x 0.984 in (5.2 x 25 mm)

0.984 in (25 mm)

DIN 41577

70 °C (158 °F)

Medium

0263.500HRT1L

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

84 mJ

-55 °C (-67 °F)

Pure Tin

50 A

100 ms

Tape And Reel

0.155 in (3.94 mm)

250 V

Pico

0.155 x 0.28 in (3.94 x 7.11 mm)

CSA, UL

125 °C (257 °F)

Very Fast

0160.500MR

Littelfuse

Electric Fuse

Surface Mount

250 V

500 mA

Wraparound

1.96 J

-55 °C (-67 °F)

Silver

50 A

2 m

Pre Arcing Time: Open within 120 s at 250% Rated Current

Tape And Reel

0.429 in (10.9 mm)

0.189 in (4.8 mm)

e4

Nano

0.189 in (4.8 mm)

CUL; UL

125 °C (257 °F)

Time Delay

02200060DRT3P

Littelfuse

Electric Fuse

Through Hole Mount

350 V

500 mA

Pin Wire

365 mJ

-55 °C (-67 °F)

Tin

35 A

4 h

0.365

0.177 in (4.5 mm)

Supplemental

e3

350 V

2AG

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CE, UL

125 °C (257 °F)

R460500

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

210 mJ

50 A

460

Rated Breaking Capacity at 125 VDC: 50 A

CSA; UL

Slow

224.500DRT1

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

365 mJ

Tin Lead

35 A

224

Tape And Reel

0.177 in (4.5 mm)

e0

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CSA; PSE; UL

Fast

02205.500HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

1.16 J

-55 °C (-67 °F)

Tin

35 A

4 h

Bulk

0.185 in (4.7 mm)

e3

250 V

2AG

0.185 x 0.57 in (4.7 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; UL

125 °C (257 °F)

Time Lag

0274.500H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

71.6 mJ

-55 °C (-67 °F)

Tin

10 kA

4 h

Bulk

0.25 in (6.35 mm)

e3

125 V

Micro

0.25 x 0.35 in (6.35 x 8.89 mm)

0.35 in (8.89 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

229.500P

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

1.16 J

-55 °C (-67 °F)

Tin

35 A

0.177 in (4.5 mm)

e3

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Slow

0239.500P

Littelfuse

Electric Fuse

Inline/Holder

125 V

500 mA

End Cap

1.985 J

-55 °C (-67 °F)

Nickel

35 A

239

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; CSA; KTL; UL

125 °C (257 °F)

Time Lag

KLKD.500R

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

0229.500MXSP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

500 mA

End Cap

1.16 J

-55 °C (-67 °F)

Matte Tin

35 A

Rated Breaking Capacity at 125 VDC: 10000 A

Bulk

0.177 in (4.5 mm)

e3

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; UL

125 °C (257 °F)

Time Lag

02200036MXP

Littelfuse

Electric Fuse

Inline/Holder

300 V

500 mA

End Cap

365 mJ

-55 °C (-67 °F)

Tin

35 A

1 s

0.365

Bulk

0.189 in (4.8 mm)

Supplemental

e3

300 V

2AG

0.177 x 0.57 in (4.5 x 14.48 mm)

0.587 in (14.9 mm)

CE; UL

125 °C (257 °F)

225.500

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

365 mJ

-55 °C (-67 °F)

35 A

4 h

0.365

0.177 in (4.5 mm)

Supplemental

250 V

265 mΩ

2AG

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CSA; PSE; UL

125 °C (257 °F)

Fast

0230.500MXF17P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

500 mA

Pin Wire

1.16 J

-55 °C (-67 °F)

Matte Tin

35 A

Rated Breaking Capacity at 125 VDC: 10000 A

Bulk

0.185 in (4.7 mm)

e3

0.185 x 0.57 in (4.7 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; UL

125 °C (257 °F)

Time Lag

0259.500M

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

50 A

5 s

Rated Breaking Capacity at 125 VDC: 300 A

0.0598

Bulk

0.512 in (13 mm)

Pico

0.512 x 0.315 in (13 x 8 mm)

0.315 in (8 mm)

EN; IEC; UL

125 °C (257 °F)

Fast

0219.500MXGP

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

3 J

-55 °C (-67 °F)

Tin

150 A

3

0.205 in (5.2 mm)

e3

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

0239.500MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

1.985 J

-55 °C (-67 °F)

Tin

35 A

2 m

1.985

Bulk

0.217 in (5.5 mm)

Supplemental

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.846 in (21.5 mm)

CE; CSA; KC; UL

125 °C (257 °F)

Time Lag

0208.500MXEP

Littelfuse

Electric Fuse

Through Hole Mount

350 V

500 mA

Pin Wire

365 mJ

-55 °C (-67 °F)

Tin

100 A

Bulk

0.185 in (4.7 mm)

e3

0.185 x 0.57 in (4.7 x 14.48 mm)

0.57 in (14.48 mm)

CE; UL

125 °C (257 °F)

Fast

FLSR0.5ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

500 mA

End Cap

200 kA

0.811 in (20.6 mm)

Indicator

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

0326.500MXCCP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

500 mA

End Cap

-55 °C (-67 °F)

4 h

2.5

0.25 in (6.35 mm)

250 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE, CSA, UL

125 °C (257 °F)

Time Lag

1/2E-8PT-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

500 mA

End Cap

50 kA

1.563 in (39.69 mm)

1.563 x 9.5 in (39.69 x 241.3 mm)

9.5 in (241.3 mm)

Medium

70G

Littelfuse

Electric Fuse

Inline/Holder

125 V

300 V

500 mA

End Cap

1 kA

70

Rated Breaking Capacity at 300 VDC: 1000 A

Alarm

UL

0874.500MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

236 mJ

-55 °C (-67 °F)

Tin

50 A

4 h

0.236

Bulk

0.142 in (3.6 mm)

e3

250 V

0.142 x 0.394 in (3.6 x 10 mm)

0.394 in (10 mm)

UL

125 °C (257 °F)

Fast

217.500XE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

500 mA

Pin Wire

225 mJ

35 A

0.236 in (6 mm)

0.236 x 0.886 in (6 x 22.5 mm)

0.886 in (22.5 mm)

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

Fast

289.500

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

365 mJ

Tin Lead

35 A

289

0.177 in (4.5 mm)

e0

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CSA; MIL; PSE; UL

Fast

02200060MRT1P

Littelfuse

Electric Fuse

Through Hole Mount

350 V

500 mA

Pin Wire

365 mJ

-55 °C (-67 °F)

Tin

35 A

4 h

0.365

0.177 in (4.5 mm)

Supplemental

e3

350 V

2AG

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CE, UL

125 °C (257 °F)

KLKD1/2

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

500 mA

End Cap

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

141 µs

0.394 x 1.496 in (10 x 38 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA, UL

125 °C (257 °F)

Fast

3720500043

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

1.3 J

-40 °C (-40 °F)

Matte Tin

35 A

Bulk

0.335 in (8.5 mm)

e3

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; KTL; SEMKO; UL; VDE

85 °C (185 °F)

Time Lag

0473.500PRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

210 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Tape And Reel

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

35605000029

Littelfuse

Electric Fuse

Inline/Holder

440 V

500 mA

End Cap

530 mJ

-25 °C (-13 °F)

Nickel

1 kA

10 ms

Pre Arcing Time: Open within 0.01 s at 1000% Rated Current

Bulk

0.25 in (6.35 mm)

3AB

0.248 x 1.26 in (6.3 x 32 mm)

1.25 in (31.75 mm)

CE

70 °C (158 °F)

Slow

1930500043

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

230 mJ

-25 °C (-13 °F)

35 A

Tape And Reel

0.213 in (5.4 mm)

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.827 in (21 mm)

CUL; DIN; IEC; SEMKO; VDE; UL

70 °C (158 °F)

Very Fast

0662.500

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

500 mA

Pin Wire

90 mJ

-40 °C (-40 °F)

Matte Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

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

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.