.hide-partial { max-height: none; } .show-more { display: none; }

4 A Circuit Protection

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 1 932

Applied Filters:

Current Rating = 4 A

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Automotive Fuses 32V 4A MINI

0297004.L
Littelfuse
1: 0,507 €
2 489In Stock

Mfr. Part No.
0297004.L

Mouser Part No
576-0297004.L

Littelfuse

Automotive Fuses 32V 4A MINI

Datasheet

2 489In Stock

0,507 €

0,425 €

0,404 €

0,341 €

View

Min.: 1
Mult.: 1

Automotive Fuses 4AMP MINI

0297004.U
Littelfuse
1: 0,396 €
3 517In Stock

Mfr. Part No.
0297004.U

Mouser Part No
576-0297004.U

Littelfuse

Automotive Fuses 4AMP MINI

Datasheet

3 517In Stock

0,396 €

0,323 €

0,304 €

0,252 €

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 4A Fast Acting

0312004.MXP
Littelfuse
1: 0,542 €
2 273In Stock

Mfr. Part No.
0312004.MXP

Mouser Part No
576-0312004.MXP

Littelfuse

Cartridge Fuses 250V 4A Fast Acting

Learn More

Datasheet

2 273In Stock

0,542 €

0,447 €

0,413 €

0,343 €

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V FA 3AG 4AMP

0312004.VXP
Littelfuse
1: 2,55 €
59In Stock

Mfr. Part No.
0312004.VXP

Mouser Part No
576-0312004.VXP

Littelfuse

Cartridge Fuses 250V FA 3AG 4AMP

Learn More

Datasheet

59In Stock

2,55 €

2,29 €

2,14 €

1,87 €

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 4A SB 3AG IND PB-FREE

0313004.HXIDP
Littelfuse
1: 1,90 €
97In Stock

Mfr. Part No.
0313004.HXIDP

Mouser Part No
576-0313004.HXIDP

Littelfuse

Cartridge Fuses 250V 4A SB 3AG IND PB-FREE

Learn More

Datasheet

97In Stock

1,90 €

1,57 €

1,45 €

1,34 €

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 4A Fast Acting

0314004.HXP
Littelfuse
1: 1,45 €
267In Stock

Mfr. Part No.
0314004.HXP

Mouser Part No
576-0314004.HXP

Littelfuse

Cartridge Fuses 250V 4A Fast Acting

Learn More

Datasheet

267In Stock

1,45 €

1,21 €

1,12 €

0,929 €

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 4A Fast Acting

0314004.MXP
Littelfuse
1: 1,38 €
242In Stock
1 000Expected 03/09/2026

Mfr. Part No.
0314004.MXP

Mouser Part No
576-0314004.MXP

Littelfuse

Cartridge Fuses 250V 4A Fast Acting

Learn More

Datasheet

242In Stock

1 000Expected 03/09/2026

1,38 €

1,15 €

1,07 €

0,886 €

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V FA 3AB 4AMP

0314004.VXP
Littelfuse
1: 4,63 €
21In Stock

Mfr. Part No.
0314004.VXP

Mouser Part No
576-0314004.VXP

Littelfuse

Cartridge Fuses 250V FA 3AB 4AMP

Learn More

Datasheet

21In Stock

4,63 €

3,84 €

3,53 €

2,93 €

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 4A Fast Acting

0324004.HXP
Littelfuse
1: 2,46 €
17In Stock

Mfr. Part No.
0324004.HXP

Mouser Part No
576-0324004.HXP

Littelfuse

Cartridge Fuses 250V 4A Fast Acting

Learn More

Datasheet

17In Stock

2,46 €

2,04 €

1,57 €

1,41 €

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 4A Slo-Blo

0326004.HXP
Littelfuse
1: 2,43 €
272In Stock

Mfr. Part No.
0326004.HXP

Mouser Part No
576-0326004.HXP

Littelfuse

Cartridge Fuses 250V 4A Slo-Blo

Learn More

Datasheet

272In Stock

2,43 €

2,01 €

1,86 €

1,55 €

View

Min.: 1
Mult.: 1

Surface Mount Fuses 4A 32V TIME DELAY

0407004.WRA
Littelfuse
1: 0,80 €
2 710In Stock
3 000Expected 06/04/2027

Mfr. Part No.
0407004.WRA

Mouser Part No
576-0407004.WRA

Littelfuse

Surface Mount Fuses 4A 32V TIME DELAY

Learn More

Datasheet

2 710In Stock

3 000Expected 06/04/2027

Cut Tape

0,80 €

0,684 €

0,642 €

0,54 €

View

Reel

0,298 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

Surface Mount Fuses 4A 250V FAST ACTING

0422004.MR
Littelfuse
1: 1,24 €
705In Stock
1 000Expected 28/09/2026

Mfr. Part No.
0422004.MR

Mouser Part No
576-0422004.MR

Littelfuse

Surface Mount Fuses 4A 250V FAST ACTING

Learn More

Datasheet

705In Stock

1 000Expected 28/09/2026

Cut Tape

1,24 €

1,03 €

0,955 €

0,786 €

View

Reel

0,583 €

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

Surface Mount Fuses 4A 250V FAST ACTING

0422004.MRA
Littelfuse
1: 1,41 €
1 081In Stock

Mfr. Part No.
0422004.MRA

Mouser Part No
576-0422004.MRA

Littelfuse

Surface Mount Fuses 4A 250V FAST ACTING

Learn More

Datasheet

1 081In Stock

Cut Tape

1,41 €

1,17 €

1,08 €

0,894 €

View

Reel

0,597 €

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

Surface Mount Fuses 32V 4A V/FA SLIM 0402

0435004.KR
Littelfuse
1: 1,44 €
690In Stock
10 000Expected 27/08/2026

Mfr. Part No.
0435004.KR

Mouser Part No
576-0435004.KR

Littelfuse

Surface Mount Fuses 32V 4A V/FA SLIM 0402

Learn More

Datasheet

690In Stock

10 000Expected 27/08/2026

Cut Tape

1,44 €

1,23 €

1,15 €

0,946 €

View

Reel

0,605 €

MouseReel Available

Min.: 1
Mult.: 1

: 10 000

Surface Mount Fuses 32V FA 1206 4A

0437004.WR
Littelfuse
1: 1,34 €
1 523In Stock
9 000On Order

Mfr. Part No.
0437004.WR

Mouser Part No
576-0437004.WR

Littelfuse

Surface Mount Fuses 32V FA 1206 4A

Learn More

Datasheet

1 523In Stock

9 000On Order

Cut Tape

1,34 €

1,19 €

1,13 €

0,912 €

View

Reel

0,562 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

Surface Mount Fuses 32V High I2T 1206 4A

0440004.WR
Littelfuse
1: 1,21 €
2 459In Stock
3 000Expected 28/09/2026

Mfr. Part No.
0440004.WR

Mouser Part No
576-0440004.WR

Littelfuse

Surface Mount Fuses 32V High I2T 1206 4A

Learn More

Datasheet

2 459In Stock

3 000Expected 28/09/2026

Cut Tape

1,21 €

1,01 €

0,937 €

0,777 €

View

Reel

0,449 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

Surface Mount Fuses FUSE 32V HIGH I2T 0603 4A

0441004.WR
Littelfuse
1: 1,65 €
143In Stock
6 000Expected 19/10/2026

Mfr. Part No.
0441004.WR

Mouser Part No
576-0441004.WR

Littelfuse

Surface Mount Fuses FUSE 32V HIGH I2T 0603 4A

Learn More

Datasheet

143In Stock

6 000Expected 19/10/2026

Cut Tape

1,65 €

1,37 €

1,26 €

1,05 €

View

Reel

0,578 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

Surface Mount Fuses FUSE 32V HIGH I2T 0603 4A AEC-Q200

0441004.WRA
Littelfuse
1: 1,51 €
872In Stock
3 000Expected 01/09/2026

Mfr. Part No.
0441004.WRA

Mouser Part No
576-0441004.WRA

Littelfuse

Surface Mount Fuses FUSE 32V HIGH I2T 0603 4A AEC-Q200

Learn More

Datasheet

872In Stock

3 000Expected 01/09/2026

Cut Tape

1,51 €

1,34 €

1,26 €

1,03 €

View

Reel

0,618 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

Surface Mount Fuses 125VAC 4A .016ohms 451 NANO2

0451004.MRSN
Littelfuse
1: 1,82 €
641In Stock
1 000Expected 27/08/2026

Mfr. Part No.
0451004.MRSN

Mouser Part No
576-0451004.MRSN

Littelfuse

Surface Mount Fuses 125VAC 4A .016ohms 451 NANO2

Datasheet

641In Stock

1 000Expected 27/08/2026

Cut Tape

1,82 €

1,57 €

1,47 €

1,20 €

View

Reel

0,723 €

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

Surface Mount Fuses 125VAC 4A .0186ohms 452 NANO2

0452004.MRSN
Littelfuse
1: 2,22 €
16In Stock
1 000Expected 27/08/2026

Mfr. Part No.
0452004.MRSN

Mouser Part No
576-0452004.MRSN

Littelfuse

Surface Mount Fuses 125VAC 4A .0186ohms 452 NANO2

Learn More

Datasheet

16In Stock

1 000Expected 27/08/2026

Cut Tape

2,22 €

1,93 €

1,80 €

1,47 €

View

Reel

0,892 €

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

Surface Mount Fuses 125V 4A Fast Acting

0459004.UR
Littelfuse
1: 1,63 €
675In Stock

Mfr. Part No.
0459004.UR

Mouser Part No
576-0459004.UR

Littelfuse

Surface Mount Fuses 125V 4A Fast Acting

Datasheet

675In Stock

Cut Tape

1,63 €

1,47 €

1,32 €

1,15 €

View

Reel

0,85 €

MouseReel Available

Min.: 1
Mult.: 1

: 500

Surface Mount Fuses 125V 4A Slo-Blo

0460004.UR
Littelfuse
1: 3,03 €
759In Stock

Mfr. Part No.
0460004.UR

Mouser Part No
576-0460004.UR

Littelfuse

Surface Mount Fuses 125V 4A Slo-Blo

Datasheet

759In Stock

Cut Tape

3,03 €

2,75 €

2,49 €

2,21 €

Reel

1,44 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Surface Mount Fuses 32V 4A FA HALIDE FREE SLIM

0466004.NRHF
Littelfuse
1: 0,998 €
301In Stock
20 000On Order

Mfr. Part No.
0466004.NRHF

Mouser Part No
576-0466004.NRHF

Littelfuse

Surface Mount Fuses 32V 4A FA HALIDE FREE SLIM

Datasheet

301In Stock

20 000On Order

Cut Tape

0,998 €

0,845 €

0,784 €

0,65 €

View

Reel

0,373 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

Fuses with Leads - Through Hole 125V PICO II SB RoHS 4A

0473004.HAT1L
Littelfuse
1: 2,11 €
104In Stock
200Expected 01/09/2026

Mfr. Part No.
0473004.HAT1L

Mouser Part No
576-0473004.HAT1L

Littelfuse

Fuses with Leads - Through Hole 125V PICO II SB RoHS 4A

Learn More

Datasheet

104In Stock

200Expected 01/09/2026

2,11 €

1,75 €

1,62 €

1,50 €

Reel

1,26 €

View

Min.: 1
Mult.: 1

: 100

Fuses with Leads - Through Hole 125V PICO II SB RoHS 4A

0473004.MAT1L
Littelfuse
1: 2,18 €
22In Stock

Mfr. Part No.
0473004.MAT1L

Mouser Part No
576-0473004.MAT1L

Littelfuse

Fuses with Leads - Through Hole 125V PICO II SB RoHS 4A

Learn More

Datasheet

22In Stock

2,18 €

1,90 €

1,79 €

1,46 €

View

Reel

0,885 €

Min.: 1
Mult.: 1

: 1 000

4 A Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support