3 A Fuses 1,178

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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

HVR250P145CF

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

-40 °C (-40 °F)

2.5 s

Ammo Pack; Tape

0.268 in (6.8 mm)

0.201 in (5.1 mm)

0.492 in (12.5 mm)

CSA; CUL; TUV; UL

85 °C (185 °F)

HVR250P120C-RCA

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

-40 °C (-40 °F)

850 ms

Bulk

0.268 in (6.8 mm)

0.201 in (5.1 mm)

0.492 in (12.5 mm)

CSA; CUL; TUV; UL

85 °C (185 °F)

HVR250P120C-RFF

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

-40 °C (-40 °F)

700 ms

Ammo Pack; Tape

0.268 in (6.8 mm)

0.201 in (5.1 mm)

0.492 in (12.5 mm)

CSA; CUL; TUV; UL

85 °C (185 °F)

HVR250P145UA

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

-40 °C (-40 °F)

2 s

Bulk

0.236 in (6 mm)

0.201 in (5.1 mm)

0.492 in (12.5 mm)

CSA; CUL; TUV; UL

85 °C (185 °F)

HVR250P120CF

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

-40 °C (-40 °F)

1.5 s

Ammo Pack; Tape

0.268 in (6.8 mm)

0.201 in (5.1 mm)

0.492 in (12.5 mm)

CSA; CUL; TUV; UL

85 °C (185 °F)

HVR250P120C-RFA

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

-40 °C (-40 °F)

700 ms

Bulk

0.268 in (6.8 mm)

0.201 in (5.1 mm)

0.492 in (12.5 mm)

CSA; CUL; TUV; UL

85 °C (185 °F)

0ATO003.VP

Littelfuse

Electric Fuse

Inline/Holder

32 V

3 A

Tab/Blade

7.4 J

-40 °C (-40 °F)

1 kA

100 ms

Bulk

0.752 in (19.1 mm)

0.201 in (5.1 mm)

0.484 in (12.3 mm)

CSA; UL

125 °C (257 °F)

ATO3BP

Littelfuse

Electric Fuse

Inline/Holder

32 V

3 A

Tab/Blade

7.4 J

-40 °C (-40 °F)

1 kA

100 ms

Bulk

0.752 in (19.1 mm)

0.201 in (5.1 mm)

0.484 in (12.3 mm)

CSA; UL

125 °C (257 °F)

0443003.DRLC

Littelfuse

Electric Fuse

Surface Mount

280 V

3 A

Wraparound

51.44 J

-55 °C (-67 °F)

50 A

2 m

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

Tape And Reel

0.398 in (10.1 mm)

0.123 in (3.12 mm)

Nano

0.123 in (3.12 mm)

CUL; UL

125 °C (257 °F)

Slow

0ATO003.ZXPRO

Littelfuse

Electric Fuse

Inline/Holder

32 V

3 A

Tab/Blade

7.4 J

-40 °C (-40 °F)

1 kA

100 ms

Bulk

0.752 in (19.1 mm)

0.201 in (5.1 mm)

0.484 in (12.3 mm)

CSA; UL

125 °C (257 °F)

0297003.WXNV-CN

Littelfuse

Electric Fuse

Inline/Holder

32 V

3 A

Tab/Blade

20 J

-40 °C (-40 °F)

1 kA

30 ms

0.429 in (10.9 mm)

0.15 in (3.8 mm)

Mini

0.346 in (8.8 mm)

UL

125 °C (257 °F)

0521003.MAT1L

Littelfuse

Electric Fuse

Through Hole Mount

75 V

3 A

Pin Wire

1.05 J

-55 °C (-67 °F)

300 A

4 h

Ammo Pack

0.135 in (3.42 mm)

Pico

0.315 in (8 mm)

AEC-Q200; CUL; UL

125 °C (257 °F)

Very Fast

0521003.YAT1L

Littelfuse

Electric Fuse

Through Hole Mount

75 V

3 A

Pin Wire

1.05 J

-55 °C (-67 °F)

300 A

4 h

Ammo Pack

0.135 in (3.42 mm)

Pico

0.315 in (8 mm)

AEC-Q200; CUL; UL

125 °C (257 °F)

Very Fast

0263003WRT1L

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

1.77 J

-55 °C (-67 °F)

Matte Tin

50 A

Tape And Reel

0.145 in (3.68 mm)

e3

0.145 x 0.3 in (3.68 x 7.62 mm)

0.3 in (7.62 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0251003.NA

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

1.19 J

-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; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

JLLS003.TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.563 in (14.3 mm)

600 V

1.5 in (38.1 mm)

CE; CSA; UL

Fast

0233003.

Littelfuse

Electric Fuse

Inline/Holder

125 V

3 A

End Cap

26.243 J

-55 °C (-67 °F)

Nickel

10 kA

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

168.6585.4302

Littelfuse

Electric Fuse

Through Hole Mount

32 V

3 A

Tab/Blade

7.45 J

Tin

1 kA

Rated Breaking Capacity at 32 VDC: 1000 A

Bulk

0.469 in (11.9 mm)

0.15 in (3.8 mm)

e3

0.469 x 0.15 x 0.335 in (11.9 x 3.8 x 8.5 mm)

0.335 in (8.5 mm)

UL

0472003.NAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

9.36 J

-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

0279003.0H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Wire

759 mJ

-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

0278003.H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

759 mJ

-55 °C (-67 °F)

Tin

10 kA

4 h

Bulk

0.235 in (5.97 mm)

e3

125 V

Micro

0.235 x 0.287 in (5.97 x 7.3 mm)

0.287 in (7.3 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

0263003.MAT1L

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

1.77 J

-55 °C (-67 °F)

Pure Tin

50 A

100 ms

1.77

Ammo Pack

0.155 in (3.94 mm)

250 V

Pico

0.155 x 0.28 in (3.94 x 7.11 mm)

CSA, PSE, UL

125 °C (257 °F)

Very Fast

0251003.MRL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

1.19 J

-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; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0230003.DRT2P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

3 A

Pin Wire

77 J

-55 °C (-67 °F)

Matte Tin

100 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; PSE; UL

125 °C (257 °F)

Time Lag

239003P

Littelfuse

Electric Fuse

Inline/Holder

250 V

3 A

End Cap

129.509 J

-55 °C (-67 °F)

Matte Tin

100 A

239P

Bulk; Tape And Reel

0.787 in (20 mm)

e3

0.787 x 0.205 in (20 x 5.2 mm)

0.205 in (5.2 mm)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Time Lag

0230003.MXF17OP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

3 A

Pin Wire

77 J

-55 °C (-67 °F)

Matte Tin

100 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; PSE; UL

125 °C (257 °F)

Time Lag

0327003.UXS

Littelfuse

Electric Fuse

Inline/Holder

32 V

3 A

Tab/Blade

9 J

-40 °C (-40 °F)

Silver

1 kA

20 ms

Bulk

0.358 in (9.1 mm)

0.15 in (3.8 mm)

e4

32 V

Micro

0.602 in (15.3 mm)

125 °C (257 °F)

263003MA

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

1.77 J

-55 °C (-67 °F)

50 A

4 h

1.7

0.155 in (3.94 mm)

250 V

27.4 mΩ

Pico

0.28 in (7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

0481003VXL

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

3 A

End Cap

11.2 J

-55 °C (-67 °F)

Tin

300 A

Rated Breaking Capacity at 125 VDC: 200 A

Bulk

e3

Alarm

CSA; UL

90 °C (194 °F)

593003

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

3 A

End Cap

Nickel

593

04513.00NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

Wraparound

1.65 J

-55 °C (-67 °F)

Gold

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

0SPF003.HXR

Littelfuse

Electric Fuse

Inline/Holder

1 KV

3 A

End Cap

7.9 J

20 kA

4 m

Bulk

0.406 in (10.31 mm)

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; TUV; UL

Fast

0263003.VAT1L

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3 A

Pin Wire

1.77 J

-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; PSE; UL

125 °C (257 °F)

Very Fast

AGA3H/301003

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

3 A

End Cap

Bulk

0.25 in (6.35 mm)

32 V

1AG

0.625 in (15.87 mm)

Normal

0230003.DRT4P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

3 A

Pin Wire

77 J

-55 °C (-67 °F)

Matte Tin

100 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; PSE; UL

125 °C (257 °F)

Time Lag

313003M

Littelfuse

Electric Fuse

3 A

Pin Wire

-55 °C (-67 °F)

100 A

4 h

200

1.25 in (31.75 mm)

Supplemental

250 V

59.3 mΩ

3AG

1.25 in (31.75 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

0453003.NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

Wraparound

1.65 J

-55 °C (-67 °F)

Silver

50 A

5 s

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

1.65

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

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; PSE; UL

125 °C (257 °F)

Very Fast

0251003.NAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

1.19 J

-55 °C (-67 °F)

Matte Tin

50 A

4 ms

Rated Breaking Capacity at 125 VDC: 300 A

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

0481003.VXM

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

3 A

End Cap

25 J

-55 °C (-67 °F)

300 A

5 m

0.701 in (17.8 mm)

0.228 in (5.8 mm)

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

FLSR003ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

Indicator

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; QPL; UL

Time Delay

0251003T1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

1.19 J

-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)

CSA; METI; PSE; UL

125 °C (257 °F)

Very Fast

0447003.

Littelfuse

Electric Fuse

Through Hole Mount

350 V

125 V

3 A

Pin Wire

9.4 J

-40 °C (-40 °F)

Tin

100 A

Rated Breaking Capacity at 125 VDC: 50 A

Bulk

0.43 in (10.92 mm)

0.15 in (3.81 mm)

e3

0.43 x 0.15 x 0.345 in (10.92 x 3.81 x 8.76 mm)

0.345 in (8.76 mm)

CSA; METI; PSE; UL

125 °C (257 °F)

Fast

0471003.NAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

6.96 J

-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)

PSE; UL

125 °C (257 °F)

Time Lag

0448003.NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

End Cap

1.72 J

-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; METI; PSE; UL

125 °C (257 °F)

Very Fast

KLKD003.H

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

3 A

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; VDE

125 °C (257 °F)

Fast

0459003.ER

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

J Bend

1.23 J

-55 °C (-67 °F)

Tin

50 A

100 ms

Pre Arcing Time: Open within 0.1 s at 300% Rated Current

1.23

Tape And Reel

0.285 in (7.24 mm)

0.17 in (4.32 mm)

e3

125 V

Pico

0.285 x 0.17 x 0.12 in (7.24 x 4.32 x 3.05 mm)

0.12 in (3.05 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

0253003.PA

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

3 A

Pin Wire

1.19 J

-55 °C (-67 °F)

50 A

4 ms

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

Ammo Pack

0.103 in (2.61 mm)

125 V

Pico

0.28 in (7.11 mm)

CCC; CSA; CUL; PSE; QPL; TUV; UL

125 °C (257 °F)

Very Fast

02200019DRT1P

Littelfuse

Electric Fuse

Through Hole Mount

350 V

3 A

Pin Wire

4.62 J

-55 °C (-67 °F)

Tin

100 A

4 h

4.62

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, CSA, PSE, UL

125 °C (257 °F)

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.