4 A Fuses 1,332

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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

3264MMXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

4 A

End Cap

9.71 J

-55 °C (-67 °F)

Matte Tin

400 A

Bulk

0.25 in (6.35 mm)

e3

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

0977004.MXP

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

4 A

End Cap

124 J

-55 °C (-67 °F)

100 A

Rated Breaking Capacity at 450 VDC: 200 A, Pre-Arcing Time: Open within 10 ms at 1000% Rated Current

124

Bulk

0.205 in (5.2 mm)

500 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; PSE; SEMKO

125 °C (257 °F)

Time Lag

JTD4ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

4 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0229004.P

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

4 A

End Cap

148 J

-55 °C (-67 °F)

Nickel

400 A

0.177 in (4.5 mm)

Indicator

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)

Time Lag

SPXC004.HXR

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

4 A

End Cap

56 J

15 kA

4 m

Bulk

0.406 in (10.31 mm)

0.394 x 2.244 in (10 x 57 mm)

2.252 in (57.2 mm)

CE; UL

Fast

0230004.DRT4P

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

4 A

Pin Wire

148 J

-55 °C (-67 °F)

Matte Tin

400 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; PSE; UL

125 °C (257 °F)

Time Lag

0251004.HAHF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

4 A

Pin Wire

2.45 J

-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; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0235004.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

125 V

4 A

Wire

17.14 J

-55 °C (-67 °F)

Tin

10 kA

5 s

Bulk

0.217 in (5.5 mm)

e3

125 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, PSE, UL

125 °C (257 °F)

Fast

314004

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

4 A

End Cap

10.4 J

-55 °C (-67 °F)

750 A

4 h

10.4

0.25 in (6.35 mm)

Supplemental

250 V

47 mΩ

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; PSE; QPL; UL

125 °C (257 °F)

Fast

0665004.MALL

Littelfuse

Electric Fuse

4 A

-40 °C (-40 °F)

50 A

4 h

67.2

0.335 in (8.5 mm)

250 V

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CSA, UL

85 °C (185 °F)

Time Lag

203004

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

4 A

Pin Wire

8.75 J

-55 °C (-67 °F)

Tin/Lead

50 A

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

0216004MRET5

Littelfuse

Electric Fuse

Through Hole Mount

250 V

4 A

Pin Wire

14.995 J

-55 °C (-67 °F)

Tin

1.2 kA

Tape And Reel

0.228 in (5.8 mm)

e3

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

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

125 °C (257 °F)

Fast

1681400100

Littelfuse

Electric Fuse

Inline/Holder

32 V

4 A

Tab/Blade

15 J

-40 °C (-40 °F)

1 kA

Bulk

0.465 in (11.8 mm)

0.15 in (3.8 mm)

20 ms

0.339 in (8.6 mm)

DIN

85 °C (185 °F)

Very Fast

221004

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

4 A

Pin Wire

38.7 J

1.5 kA

20 ms

0.207 in (5.25 mm)

0.197 x 0.787 in (5 x 20 mm)

0.886 in (22.5 mm)

CCC; CSA; CUL; SEMKO; SEV; PSE; VDE; UL

Time Lag

0263004.WRT1L

Littelfuse

Electric Fuse

Through Hole Mount

250 V

4 A

Pin Wire

3.08 J

-55 °C (-67 °F)

Tin

50 A

100 ms

3.08

Tape And Reel

0.155 in (3.94 mm)

e3

250 V

Pico

0.155 x 0.28 in (3.94 x 7.11 mm)

CSA, PSE, UL

125 °C (257 °F)

Very Fast

0253004.PAT3

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

4 A

Pin Wire

2.45 J

-55 °C (-67 °F)

Tin

50 A

4 ms

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

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0232004.

Littelfuse

Electric Fuse

Inline/Holder

250 V

4 A

End Cap

38.75 J

-55 °C (-67 °F)

Nickel

100 A

Bulk; Tape And Reel

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

KTL; METI; PSE

125 °C (257 °F)

Medium

0279004.0H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

4 A

Wire

1.38 J

-55 °C (-67 °F)

10 kA

2 s

Bulk

0.25 in (6.35 mm)

125 V

Micro

0.35 in (8.89 mm)

CSA; QPL; UL

85 °C (185 °F)

Very Fast

0225004.HXP

Littelfuse

Electric Fuse

Inline/Holder

125 V

4 A

End Cap

9.4 J

-55 °C (-67 °F)

Tin

100 A

1 s

9.4

Bulk

0.189 in (4.8 mm)

Supplemental

e3

125 V

2AG

0.177 x 0.57 in (4.5 x 14.48 mm)

0.587 in (14.9 mm)

CE, CSA, PSE, UL

125 °C (257 °F)

Fast

0253004.VXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

4 A

Pin Wire

2.45 J

-55 °C (-67 °F)

Pure Tin

50 A

253

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; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

AGU4

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

4 A

End Cap

0.406 in (10.3187 mm)

32 V

5AG

1.5 in (38.1 mm)

07945810201

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

4 A

End Cap

18.945 J

-55 °C (-67 °F)

100 kA

284 µs

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

507 µs

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA, IEC, UL, VDE

125 °C (257 °F)

Fast

0326004.MXDP

Littelfuse

Electric Fuse

Inline/Holder

250 V

4 A

End Cap

9.71 J

-55 °C (-67 °F)

Nickel

400 A

4 h

9.71

0.25 in (6.35 mm)

Supplemental

250 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE, CSA, PSE, UL

125 °C (257 °F)

Time Lag

229004P

Littelfuse

Electric Fuse

Inline/Holder

125 V

4 A

End Cap

148 J

-55 °C (-67 °F)

Tin

400 A

229P

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; METI; PSE; UL

125 °C (257 °F)

Slow

38214000410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

4 A

Wire

72 J

-40 °C (-40 °F)

Matte Tin

100 A

150 ms

58

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)

CCC; CE; CUL; PSE; UL; VDE

85 °C (185 °F)

Time Lag

1811400002

Littelfuse

Electric Fuse

Inline/Holder

250 V

4 A

End Cap

77.9 J

-40 °C (-40 °F)

Tin

1.5 kA

181

Bulk

0.205 in (5.2 mm)

e3

20 ms

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

BSI; CCC; CUL; IEC; METI; PSE; SEMKO; SEV; UL; VDE

85 °C (185 °F)

Time Lag

0239004.P

Littelfuse

Electric Fuse

Inline/Holder

125 V

4 A

End Cap

270.703 J

-55 °C (-67 °F)

Nickel

10 kA

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; PSE; UL

125 °C (257 °F)

Time Lag

0677004.

Littelfuse

Electric Fuse

Through Hole Mount

250 V

4 A

Pin Wire

95 J

Tin Lead

40 A

677

0.154 in (3.9 mm)

e0

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CCC; CSA; IEC; UL; VDE

Slow

0219004.AXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

4 A

Pin Wire

330 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

0473004.MXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

4 A

Pin Wire

35 J

-60 °C (-76 °F)

Tin

50 A

2 ms

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

Bulk

0.135 in (3.43 mm)

e3

Pico

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Time Delay

203004G

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

4 A

Gull Wing

8.75 J

-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

0674004.DRT4

Littelfuse

Electric Fuse

Through Hole Mount

250 V

4 A

Pin Wire

8.96 J

Tin Lead

50 A

4 h

8.9

Tape And Reel

0.154 in (3.9 mm)

e0

250 V

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; UL

Fast

2751400005

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

4 A

Pin Wire

3.2 J

-25 °C (-13 °F)

50 A

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

0.094 in (2.4 mm)

5 s

Pico

0.283 in (7.2 mm)

CUL; UL

70 °C (158 °F)

Very Fast

0218004.MXGP

Littelfuse

Electric Fuse

Inline/Holder

250 V

4 A

End Cap

69.1 J

-55 °C (-67 °F)

Tin

40 A

69.1

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)

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

125 °C (257 °F)

Time Lag

02174.0MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

60 V

4 A

Pin Wire

29.165 J

-55 °C (-67 °F)

40 A

10 ms

Rated Breaking Capacity at 60 VDC: 70 A, Pre Arcing Time: Open within 10 ms at 400% Rated Current

Bulk

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; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Fast

218004M

Littelfuse

Electric Fuse

4 A

End Cap

-55 °C (-67 °F)

40 A

69.1

0.787 in (20 mm)

Supplemental

250 V

12.9 mΩ

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; PSE; UL; VDE

125 °C (257 °F)

Time Lag

0473004L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

4 A

Pin Wire

35 J

-55 °C (-67 °F)

Tin

50 A

473

0.125 in (3.18 mm)

e3

0.125 x 0.28 in (3.18 x 7.11 mm)

0.28 in (7.11 mm)

CSA; METI; PSE; UL

125 °C (257 °F)

Slow

0230004.DRT3P

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

4 A

Pin Wire

148 J

-55 °C (-67 °F)

Matte Tin

400 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; PSE; UL

125 °C (257 °F)

Time Lag

1951400040

Littelfuse

Electric Fuse

Through Hole Mount

250 V

4 A

Pin Wire

42 J

-25 °C (-13 °F)

40 A

Bulk

0.213 in (5.4 mm)

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.827 in (21 mm)

BSI; CCEE; CUL; DIN; IEC; IMQ; MITI; SEMKO; UL; VDE

70 °C (158 °F)

Time Lag

273004

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

4 A

Tab/Blade

1.38 J

-55 °C (-67 °F)

10 kA

2 s

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

0.25 in (6.35 mm)

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

239004

Littelfuse

Electric Fuse

Inline/Holder

125 V

4 A

End Cap

270.703 J

-55 °C (-67 °F)

Tin/Lead

10 kA

4 h

302.8

Bulk; Tape And Reel

0.205 in (5.2 mm)

e0

125 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)

CSA; KTL; PSE; UL

125 °C (257 °F)

Time Lag

0233004.XP

Littelfuse

Electric Fuse

Inline/Holder

125 V

4 A

End Cap

53 J

-55 °C (-67 °F)

Nickel

10 kA

233

Bulk; Tape And Reel

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; PSE; UL

125 °C (257 °F)

Medium

0209004.MXP

Littelfuse

Electric Fuse

Inline/Holder

350 V

4 A

End Cap

148 J

-55 °C (-67 °F)

Tin

100 A

3 s

148

Bulk

0.189 in (4.8 mm)

e3

350 V

2AG

0.177 x 0.57 in (4.5 x 14.48 mm)

0.587 in (14.9 mm)

CE; CUL; PSE; UL

125 °C (257 °F)

Time Lag

0471004.PRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

4 A

Pin Wire

10.6 J

-55 °C (-67 °F)

Tin

50 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)

PSE; UL

125 °C (257 °F)

Time Lag

0877004.MRET1

Littelfuse

Electric Fuse

Through Hole Mount

250 V

4 A

Pin Wire

143.4 J

-55 °C (-67 °F)

Tin

40 A

Tape And Reel

0.142 in (3.6 mm)

e3

0.142 x 0.394 in (3.6 x 10 mm)

0.394 in (10 mm)

IEC; UL; VDE

125 °C (257 °F)

Slow

0663004.ZRLL

Littelfuse

Electric Fuse

4 A

-40 °C (-40 °F)

40 A

80

Tape And Reel

0.335 in (8.5 mm)

250 V

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CCC, CSA, METI, SEMKO, UL, VDE

85 °C (185 °F)

Time Lag

0230004.DAT1P

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

4 A

Pin Wire

148 J

-55 °C (-67 °F)

Matte Tin

400 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; PSE; UL

125 °C (257 °F)

Time Lag

276004

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

4 A

Pin Wire

-55 °C (-67 °F)

50 A

276

Rated Breaking Capacity at 125 VDC: 300 A

0.093 in (2.36 mm)

0.093 x 0.28 in (2.36 x 7.11 mm)

0.28 in (7.11 mm)

CSA; 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.