500 mA Fuses 1,195

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

0239.500MXBP

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

1.985 J

-55 °C (-67 °F)

Tin

35 A

4 h

1.985

Bulk

0.205 in (5.2 mm)

Supplemental

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)

CE; CSA; KC; UL

125 °C (257 °F)

Time Lag

0435.500KR

Littelfuse

Electric Fuse

Surface Mount

32 V

500 mA

Wraparound

5.3 mJ

-55 °C (-67 °F)

Matte Tin with Nickel barrier

35 A

4 h

Rated Breaking Capacity at 32 VDC: 35 A

0.0053

Tape And Reel

0.039 in (0.99 mm)

0.02 in (0.51 mm)

Supplemental

e3

32 V

0402

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

02200036ERT1P

Littelfuse

Electric Fuse

Through Hole Mount

300 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

300 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)

279.500

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

71.6 mJ

-55 °C (-67 °F)

Tin Lead

10 kA

2 s

Pre Arcing Time: Open within 2 s at 200% Rated Current

0.25 in (6.35 mm)

e0

125 V

Micro

0.25 x 0.35 in (6.35 x 8.89 mm)

0.35 in (8.89 mm)

CSA; UL

85 °C (185 °F)

Very Fast

02515.00MXT1L

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

2750500000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

40 mJ

-25 °C (-13 °F)

50 A

5 s

Rated Breaking Capacity at 125 VDC: 300 A

0.04

Tape And Reel

0.094 in (2.4 mm)

125 V

5 s

Pico

0.094 x 0.283 in (2.4 x 7.2 mm)

0.283 in (7.2 mm)

CSA, UL

70 °C (158 °F)

Fast

3030500042

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

500 mA

Pin Wire

42 mJ

-25 °C (-13 °F)

Matte Tin

50 A

Rated Breaking Capacity at 63 VDC: 50 A

0.04

Bulk

0.236 in (6 mm)

Supplemental

e3

125 V

5 s

Micro

0.236 x 0.315 in (6 x 8 mm)

0.315 in (8 mm)

CSA; UL

70 °C (158 °F)

Fast

0304.500ZR

Littelfuse

Electric Fuse

Surface Mount

277 V

277 V

500 mA

J Bend

44.62 mJ

-40 °C (-40 °F)

1.5 kA

10 s

Tape And Reel

0.54 in (13.71 mm)

0.237 in (6.03 mm)

277 V

Pico

0.24 in (6.09 mm)

CE; CUL; IEC; UL

84 °C (183.2 °F)

224.500P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

365 mJ

Matte Tin

35 A

224

Bulk; 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

02515.00PRL

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

0434.500NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

500 mA

Wraparound

8.7 mJ

-55 °C (-67 °F)

Tin

50 A

434

Rated Breaking Capacity at 32 VDC: 50 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

0274.500V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

-55 °C (-67 °F)

Tin

100 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, UL

125 °C (257 °F)

Very Fast

0251.500L

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

0.095 in (2.41 mm)

e3

0.095 x 0.28 in (2.41 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

0324.500VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

500 mA

Pin Wire

115 mJ

-55 °C (-67 °F)

Tin

35 A

Rated Breaking Capacity at 125 VDC: 10000 A

0.115

Bulk

0.275 in (6.99 mm)

e3

250 V

3AB

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; UL

125 °C (257 °F)

Fast

0472.500NAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

192.7 mJ

-55 °C (-67 °F)

Tin

50 A

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)

UL

125 °C (257 °F)

Time Lag

04910.500NAT1HF

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

Ammo Pack

0.11 in (2.8 mm)

Pico

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0672.500DRT4

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

128 mJ

Tin Lead

50 A

5 s

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

0.128

Tape And Reel

0.154 in (3.9 mm)

e0

250 V

0.142 x 0.394 in (3.6 x 10 mm)

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; UL

Fast

0481.500VXLP

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

500 mA

End Cap

139 mJ

-55 °C (-67 °F)

300 A

5 m

Bulk

0.839 in (21.3 mm)

0.228 in (5.8 mm)

Alarm

0.772 in (19.6 mm)

CSA; UL

90 °C (194 °F)

0251.500NAL

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

Ammo Pack

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

02200040DRT1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

1.16 J

-55 °C (-67 °F)

Tin

35 A

4 h

1.16

0.177 in (4.5 mm)

Supplemental

e3

250 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)

02200060MXP

Littelfuse

Electric Fuse

Inline/Holder

350 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

350 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)

0251.500MAT1HF

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

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

0235.500P

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

69.15 mJ

-55 °C (-67 °F)

Nickel

35 A

235

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)

Fast

0362.500H

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

500 mA

End Cap

Bulk

0.25 in (6.35 mm)

32 V

8AG

1 in (25.4 mm)

Normal

D85866-000

Littelfuse

Electric Fuse

Surface Mount

63 V

500 mA

Wraparound

50 A

UL

125 °C (257 °F)

Fast

0454.500NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

240 mJ

-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

SLC.500

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 mA

End Cap

100 kA

0.406 in (10.3 mm)

0.406 x 1.311 in (10.3 x 33.3 mm)

1.311 in (33.3 mm)

CSA; UL

Medium Time Delay

0312.500VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

483 mJ

-55 °C (-67 °F)

35 A

Bulk

0.25 in (6.35 mm)

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)

Fast

0471.500NAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

159 mJ

-55 °C (-67 °F)

Tin

50 A

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)

CSA; UL

125 °C (257 °F)

Time Lag

0253.500NR

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

0314.500MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

500 mA

End Cap

639 mJ

-55 °C (-67 °F)

Nickel

35 A

Rated Breaking Capacity at 125 VDC: 10000 A

0.115

Bulk

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)

Fast

0253.500NXT3L

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

Bulk

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

216.500P

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

169 mJ

-55 °C (-67 °F)

Matte Tin

1.5 kA

216P

Bulk; Tape And Reel

0.205 in (5.2 mm)

e3

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Fast

0305.500M

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

500 mA

Pin Wire

127.4 mJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

74 °C (165.2 °F)

CCMR.500HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

500 mA

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

0230.500ERT3P

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

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)

CE; CSA; UL

125 °C (257 °F)

Time Lag

218.500P

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

2.824 J

-55 °C (-67 °F)

Tin

35 A

Bulk; Tape And Reel

0.205 in (5.2 mm)

e3

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Time Lag

0251.500HR

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

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

1620500100

Littelfuse

Electric Fuse

Inline/Holder

32 V

500 mA

Tab/Blade

800 mJ

-40 °C (-40 °F)

1 kA

Bulk

0.748 in (19 mm)

0.197 in (5 mm)

20 ms

0.681 in (17.3 mm)

85 °C (185 °F)

Very Fast

0318.500VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

483 mJ

-55 °C (-67 °F)

Matte Tin

35 A

318

Bulk

0.275 in (6.99 mm)

e3

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; UL

125 °C (257 °F)

Fast

0263.500WXT1L

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

84 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Bulk

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

0263.500MXT1L

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

84 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Bulk

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

0253.500MX

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

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

Bulk

0.103 in (2.61 mm)

125 V

Pico

0.28 in (7.11 mm)

CCC; CSA; CUL; QPL; TUV; UL

125 °C (257 °F)

Very Fast

226.500

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

500 mA

Pin Wire

45 mJ

1.5 kA

226

0.207 in (5.25 mm)

0.207 x 0.886 in (5.25 x 22.5 mm)

0.886 in (22.5 mm)

CCC; CSA; IEC; KTL; SEMKO; SEV; UL; VDE

Fast

3400500002

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

330 mJ

-25 °C (-13 °F)

35 A

Bulk

0.248 in (6.3 mm)

120 s

0.248 x 1.26 in (6.3 x 32 mm)

1.26 in (32 mm)

CSA; UL

70 °C (158 °F)

Very Fast

262.500

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

500 mA

Tab/Blade

-55 °C (-67 °F)

Gold

10 kA

Rated Breaking Capacity at 125 VDC: 10000 A

0.235 in (5.97 mm)

e4

0.235 x 0.29 in (5.97 x 7.37 mm)

0.29 in (7.37 mm)

CSA; UL

125 °C (257 °F)

Very Fast

4170500000

Littelfuse

Electric Fuse

Surface Mount

125 V

60 V

500 mA

Wraparound

36 mJ

-55 °C (-67 °F)

50 A

Tape And Reel, Blister

0.236 in (6 mm)

0.098 in (2.5 mm)

5 s

2410

0.098 in (2.5 mm)

CSA; UL

125 °C (257 °F)

Very Fast

37405000000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

875 mJ

-40 °C (-40 °F)

Tin

50 A

1 m

Ammo Pack

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, UL

85 °C (185 °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.