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

0251.500PRL

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

0253.500T1

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

0253

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)

CSA; PSE; QPL; UL

125 °C (257 °F)

Very Fast

39105000000

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; Tape And Reel

0.335 in (8.5 mm)

0.157 in (4 mm)

65 V

TE5

0.335 x 0.157 x 0.315 in (8.5 x 4 x 8 mm)

0.315 in (8 mm)

CUL; UKCA; UL

125 °C (257 °F)

Fast

AGC.5BP

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

500 mA

End Cap

0.25 in (6.35 mm)

32 V

3AG

1.25 in (31.75 mm)

0251.500HRT1

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

CCMR.500

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

500 mA

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

2010500002

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

350 mJ

-25 °C (-13 °F)

Matte Tin

80 A

Bulk

0.205 in (5.2 mm)

e3

5 ms

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

DIN 41571; UL

70 °C (158 °F)

Medium Time Lag

0253.500HX

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

0305.500H

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.500T

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

500 mA

End Cap

200 kA

CCMR

Rated Breaking Capacity at 250 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)

CE; CSA; UL

Time Delay

022050.500HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

1.16 J

-55 °C (-67 °F)

Tin

35 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

04735.00PAT1L

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

1910500000

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

240 mJ

-25 °C (-13 °F)

35 A

Bulk

0.205 in (5.2 mm)

5 s

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CSA; CUL; UL

70 °C (158 °F)

Very Fast

0216.500P

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

165 mJ

-55 °C (-67 °F)

Matte Tin

1.5 kA

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; SEMKO; UL; VDE

125 °C (257 °F)

Fast

0251.500NRT1HF

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

1/2E-16PT-25.5

Littelfuse

Electric Fuse

Inline/Holder

25.8 KV

500 mA

End Cap

43.5 kA

1.563 in (39.69 mm)

1.563 x 17.5 in (39.69 x 444.5 mm)

17.5 in (444.5 mm)

Medium

0253.500HXL

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

Bulk

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

203.500G

Littelfuse

Electric Fuse

Surface Mount

250 V

500 mA

Gull Wing

112 mJ

-55 °C (-67 °F)

Tin/Lead

50 A

203

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)

Slow

0230.500MXOP

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

0324.500MX280P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

115 mJ

-55 °C (-67 °F)

Tin

35 A

0.115

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

0473.500MXT1HF

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

0219.500MRAET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

3 J

-55 °C (-67 °F)

Tin

150 A

3

Tape And Reel

0.217 in (5.5 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.217 x 0.846 in (5.5 x 21.5 mm)

0.846 in (21.5 mm)

BSI, CCC, CE, CSA, UL, VDE

125 °C (257 °F)

Time Lag

0448.500NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

End Cap

100 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

0251.500MX

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

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)

CCC; CSA; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0453.500NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

79.5 mJ

-55 °C (-67 °F)

Silver

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; UL

125 °C (257 °F)

Very Fast

02200036DAT1P

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)

0219.500M

Littelfuse

Electric Fuse

500 mA

Pin Wire

-55 °C (-67 °F)

150 A

4 h

3

0.787 in (20 mm)

Supplemental

250 V

370 mΩ

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; UL; VDE

125 °C (257 °F)

Time Lag

0229.500HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

500 mA

End Cap

1.16 J

-55 °C (-67 °F)

Tin

35 A

Rated Breaking Capacity at 125 VDC: 10000 A

Bulk

0.177 in (4.5 mm)

e3

Indicator

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

0314.500MX52LEP

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

115 mJ

-55 °C (-67 °F)

Nickel

35 A

0.115

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

0603TSFV050FM/65-2

Littelfuse

Electric Fuse

500 mA

-55 °C (-67 °F)

Tin/Nickel

50 A

4 h

0.015

0.067 in (1.7 mm)

0.036 in (0.91 mm)

e2

65 V

0603

0.067 x 0.036 x 0.016 in (1.7 x 0.91 x 0.4 mm)

0.016 in (0.4 mm)

90 °C (194 °F)

Fast

0316.500NAT1

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 h

0.0598

Ammo Pack

0.11 in (2.8 mm)

Supplemental

e3

125 V

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC

125 °C (257 °F)

Very Fast

0230.500DRT2P

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

0253.500NRT3L

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

20105000021P

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

162.6185.3502

Littelfuse

Electric Fuse

Inline/Holder

32 V

500 mA

Tab/Blade

700 mJ

Tin

1 kA

Rated Breaking Capacity at 32 VDC: 1000 A

0.7

Bulk

0.748 in (19 mm)

0.197 in (5 mm)

ATO

e3

32 V

0.748 x 0.197 x 0.52 in (19 x 5 x 13.2 mm)

0.52 in (13.2 mm)

UL

Fast

1/2E-11PT-15.5

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

500 mA

End Cap

35 kA

1.563 in (39.69 mm)

1.563 x 12.8 in (39.69 x 325.12 mm)

12.8 in (325.12 mm)

Medium

313.500ID

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

2.55 J

35 A

0.25 in (6.35 mm)

Indicator

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; METI; PSE; UL

Slow

0491.500NRT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

-55 °C (-67 °F)

50 A

4 h

Tape And Reel

0.11 in (2.8 mm)

125 V

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA, UL

125 °C (257 °F)

Very Fast

0443.500DR

Littelfuse

Electric Fuse

Surface Mount

250 V

125 V

500 mA

Wraparound

1.61 J

-55 °C (-67 °F)

Silver

50 A

2 m

Rated Breaking Capacity at 125 VDC: 100 A

1.61

Tape And Reel

0.397 in (10.08 mm)

0.12 in (3.05 mm)

e4

250 V

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

0.12 in (3.05 mm)

CUL; IEC; TUV; UL

125 °C (257 °F)

Slow

0455.500MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

End Cap

143 mJ

-55 °C (-67 °F)

Gold

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)

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)

IEC; UL

125 °C (257 °F)

Fast

0263.500HXT1HF

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

84 mJ

-55 °C (-67 °F)

Pure Tin

50 A

0263

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

0230.500DRT1SP

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

0315.500MXBP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

2.55 J

-55 °C (-67 °F)

35 A

5 s

Bulk

0.275 in (6.985 mm)

3AG

1.275 in (32.39 mm)

CE; CSA; UL

125 °C (257 °F)

Slow

0224.500HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

500 mA

Pin Wire

365 mJ

-55 °C (-67 °F)

Tin

35 A

1 s

Rated Breaking Capacity at 125 VDC: 10000 A

0.365

Bulk

0.189 in (4.8 mm)

e3

250 V

2AG

0.189 x 0.587 in (4.8 x 14.9 mm)

0.587 in (14.9 mm)

CE, CSA, UL

125 °C (257 °F)

Fast

216.500XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

45 mJ

-55 °C (-67 °F)

Matte Tin

1.5 kA

216

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

125 °C (257 °F)

Fast

218.500M

Littelfuse

Electric Fuse

500 mA

End Cap

-55 °C (-67 °F)

35 A

2.825

0.787 in (20 mm)

Supplemental

250 V

370 mΩ

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; UL; VDE

125 °C (257 °F)

Time Lag

LCQ.5E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

500 mA

End Cap

50 kA

LCQ

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

0253.500MRT3

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

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.