.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: 1.931

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 #

Cartridge Fuses 250 V 4A 5x20mm Fast Acting

0217004.MXBP
Littelfuse
1: 1,48 €
354In Stock
1.000Expected 10/6/2026

Mfr. Part No.
0217004.MXBP

Mouser Part No
576-0217004.MXBP

Littelfuse

Cartridge Fuses 250 V 4A 5x20mm Fast Acting

Learn More

Datasheet

354In Stock

1.000Expected 10/6/2026

1,48 €

1,22 €

1,13 €

0,937 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 3ohms 4amps Clinch Short Lead

3D2-10LCS
Semitec
1: 0,755 €
36In Stock
400Expected 10/16/2026

Mfr. Part No.
3D2-10LCS

Mouser Part No
954-3D2-10LCS

Semitec

NTC (Negative Temperature Coefficient) Thermistors 3ohms 4amps Clinch Short Lead

Datasheet

36In Stock

400Expected 10/16/2026

0,755 €

0,573 €

0,494 €

0,477 €

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 4A 5x20mm Slo-Blo

0215004.MRET1SPP
Littelfuse
1: 0,619 €
2.589In Stock

Mfr. Part No.
0215004.MRET1SPP

Mouser Part No
576-0215004.MRET1SPP

Littelfuse

Cartridge Fuses 250V 4A 5x20mm Slo-Blo

Learn More

Datasheet

2.589In Stock

Cut Tape

0,619 €

0,545 €

0,528 €

0,445 €

Reel

0,253 €

View

Min.: 1
Mult.: 1

: 1.000

Fuses with Leads - Through Hole 300V IEC TL 4A TE7

80714000440
Littelfuse
1: 4,18 €
1.565In Stock

Mfr. Part No.
80714000440

Mouser Part No
576-80714000440

Littelfuse

Fuses with Leads - Through Hole 300V IEC TL 4A TE7

Learn More

Datasheet

1.565In Stock

4,18 €

3,47 €

3,21 €

2,66 €

View

Min.: 1
Mult.: 1

Inrush Current Limiters 4A 16ohm Kinked Leads

CL-70A
Amphenol Advanced Sensors
1: 1,63 €
993In Stock

Mfr. Part No.
CL-70A

Mouser Part No
527-CL-70A

Amphenol Advanced Sensors

Inrush Current Limiters 4A 16ohm Kinked Leads

Learn More

Datasheet

993In Stock

1,63 €

1,12 €

1,06 €

1,02 €

0,867 €

Min.: 1
Mult.: 1

Surface Mount Fuses 4A 32V 0603 FAST ACTING

0438004.WRGT
Littelfuse
1: 1,01 €
1.455In Stock

Mfr. Part No.
0438004.WRGT

Mouser Part No
576-0438004.WRGT

Littelfuse

Surface Mount Fuses 4A 32V 0603 FAST ACTING

Learn More

Datasheet

1.455In Stock

Cut Tape

1,01 €

0,894 €

0,839 €

0,752 €

View

Reel

0,562 €

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Fuses with Leads - Through Hole 300V IEC TL 4A TE7

80714000000
Littelfuse
1: 3,71 €
854In Stock

Mfr. Part No.
80714000000

Mouser Part No
576-80714000000

Littelfuse

Fuses with Leads - Through Hole 300V IEC TL 4A TE7

Learn More

Datasheet

854In Stock

Cut Tape

3,71 €

3,34 €

3,20 €

2,92 €

View

Reel

1,98 €

Min.: 1
Mult.: 1

: 1.000

Cartridge Fuses 250V 4A Slo-Blo

0219004.MXA-
Littelfuse
1: 0,903 €
879In Stock

Mfr. Part No.
0219004.MXA-

Mouser Part No
576-0219004.MXA

Littelfuse

Cartridge Fuses 250V 4A Slo-Blo

Learn More

Datasheet

879In Stock

0,903 €

0,789 €

0,738 €

0,611 €

View

Min.: 1
Mult.: 1

Fuses with Leads - Through Hole 250 V 4A 5x20mm Fast Acting

0217004.MXEP
Littelfuse
1: 1,30 €
1.356In Stock

Mfr. Part No.
0217004.MXEP

Mouser Part No
576-0217004.MXEP

Littelfuse

Fuses with Leads - Through Hole 250 V 4A 5x20mm Fast Acting

Learn More

Datasheet

1.356In Stock

1,30 €

1,08 €

0,998 €

0,825 €

View

Min.: 1
Mult.: 1

Fuses with Leads - Through Hole 250V 4A PICO II

0263004.WRT1L
Littelfuse
1: 2,56 €
865In Stock

Mfr. Part No.
0263004.WRT1L

Mouser Part No
576-0263004.WRT1L

Littelfuse

Fuses with Leads - Through Hole 250V 4A PICO II

Learn More

Datasheet

865In Stock

Cut Tape

2,56 €

2,35 €

2,20 €

1,80 €

View

Reel

1,10 €

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Cartridge Fuses 250V 4A Time Lag (Slo-Blo)

0218004.MXEP
Littelfuse
1: 2,18 €
896In Stock

Mfr. Part No.
0218004.MXEP

Mouser Part No
576-0218004.MXEP

Littelfuse

Cartridge Fuses 250V 4A Time Lag (Slo-Blo)

Learn More

Datasheet

896In Stock

2,18 €

1,86 €

1,73 €

1,43 €

View

Min.: 1
Mult.: 1

Fuses with Leads - Through Hole 300V UL TL TR5 LL 4A

38314000000
Littelfuse
1: 1,35 €
1.753In Stock

Mfr. Part No.
38314000000

Mouser Part No
576-38314000000

Littelfuse

Fuses with Leads - Through Hole 300V UL TL TR5 LL 4A

Learn More

Datasheet

1.753In Stock

1,35 €

1,16 €

1,09 €

0,929 €

View

Reel

0,61 €

Min.: 1
Mult.: 1

: 1.000

Fuses with Leads - Through Hole 250V IEC TL SL 4A TE5

39214000440
Littelfuse
1: 0,631 €
1.542In Stock

Mfr. Part No.
39214000440

Mouser Part No
576-39214000440

Littelfuse

Fuses with Leads - Through Hole 250V IEC TL SL 4A TE5

Learn More

Datasheet

1.542In Stock

0,631 €

Min.: 1
Mult.: 1

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

0451004.NRL
Littelfuse
1: 1,83 €
795In Stock

Mfr. Part No.
0451004.NRL

Mouser Part No
576-0451004.NRL

Littelfuse

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

Learn More

Datasheet

795In Stock

Cut Tape

1,83 €

1,67 €

1,58 €

1,28 €

View

Reel

0,833 €

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

Surface Mount Fuses 125Vac 4A FA SMD Brick

CB61F4A-TR2
Eaton Electronics
1: 0,585 €
9.987In Stock

Mfr. Part No.
CB61F4A-TR2

Mouser Part No
504-CB61F4A-TR2

Eaton Electronics

Surface Mount Fuses 125Vac 4A FA SMD Brick

Learn More

Datasheet

9.987In Stock

Cut Tape

0,585 €

0,539 €

0,448 €

0,414 €

View

Reel

0,316 €

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

Cartridge Fuses 250V 3.6X10 4A FUSE SB PT PB-FREE

0877004.MRET1P
Littelfuse
1: 2,18 €
789In Stock

Mfr. Part No.
0877004.MRET1P

Mouser Part No
576-0877004.MRET1P

Littelfuse

Cartridge Fuses 250V 3.6X10 4A FUSE SB PT PB-FREE

Learn More

Datasheet

789In Stock

Cut Tape

2,18 €

2,02 €

1,93 €

1,55 €

View

Reel

0,962 €

Min.: 1
Mult.: 1

: 1.000

Surface Mount Fuses 4A 32V FAST ACTING

SF-0402FP400-2
Bourns
1: 0,654 €
3.629In Stock

Mfr. Part No.
SF-0402FP400-2

Mouser Part No
652-SF-0402FP400-2

Bourns

Surface Mount Fuses 4A 32V FAST ACTING

Learn More

Datasheet

3.629In Stock

Cut Tape

0,654 €

0,491 €

0,438 €

0,384 €

View

Reel

0,28 €

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

Cartridge Fuses 4A 125VAC TD GMC Series Axial

BK/GMC-V-4-R
Eaton Electronics
1: 8,03 €
629In Stock

Mfr. Part No.
BK/GMC-V-4-R

Mouser Part No
504-BK/GMC-V-4-R

Eaton Electronics

Cartridge Fuses 4A 125VAC TD GMC Series Axial

Datasheet

629In Stock

8,03 €

7,22 €

6,89 €

5,31 €

View

Min.: 1
Mult.: 1

Surface Mount Fuses 4A 350V FAST ACTING

TR-1145HVA4-R
Eaton Electronics
1: 5,07 €
8.000In Stock

Mfr. Part No.
TR-1145HVA4-R

Mouser Part No
504-TR-1145HVA4-R

Eaton Electronics

Surface Mount Fuses 4A 350V FAST ACTING

Learn More

Datasheet

8.000In Stock

Cut Tape

5,07 €

4,24 €

3,29 €

2,96 €

Reel

2,25 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Surface Mount Fuses 1245UMF, Fast-Acting, 4 A

TR-1245UMFF4-R
Eaton Electronics
1: 1,10 €
2.839In Stock

Mfr. Part No.
TR-1245UMFF4-R

Mouser Part No
504-TR-1245UMFF4-R

Eaton Electronics

Surface Mount Fuses 1245UMF, Fast-Acting, 4 A

Learn More

Datasheet

2.839In Stock

Cut Tape

1,10 €

1,01 €

0,84 €

0,776 €

Reel

0,611 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Surface Mount Fuses 250VAC 125VDC 5A Time Delay Brick

TR2/1025TD4-R
Eaton Electronics
1: 1,68 €
2.215In Stock

Mfr. Part No.
TR2/1025TD4-R

Mouser Part No
504-TR2/1025TD4-R

Eaton Electronics

Surface Mount Fuses 250VAC 125VDC 5A Time Delay Brick

Datasheet

2.215In Stock

Cut Tape

1,68 €

1,55 €

1,28 €

1,19 €

View

Reel

0,992 €

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Inrush Current Limiters 10mm 4ohms 4A INRSH CURR LIMITER UL Approved

SL104R004
Vishay / Ametherm
1: 1,56 €
1.596In Stock

Mfr. Part No.
SL104R004

Mouser Part No
995-SL10-4R004

Vishay / Ametherm

Inrush Current Limiters 10mm 4ohms 4A INRSH CURR LIMITER UL Approved

Datasheet

1.596In Stock

1,56 €

1,44 €

1,20 €

1,01 €

View

Min.: 1
Mult.: 1

Surface Mount Fuses S3F 0603 32V 4A Sn Tape&Reel

S3F060332V4A00TT
Vishay / Sfernice
1: 0,576 €
4.482In Stock
New Product

Mfr. Part No.
S3F060332V4A00TT

Mouser Part No
72-S3F060332V4A00TT

New Product

Vishay / Sfernice

Surface Mount Fuses S3F 0603 32V 4A Sn Tape&Reel

Learn More

Datasheet

4.482In Stock

Cut Tape

0,576 €

0,437 €

0,412 €

0,388 €

View

Reel

0,282 €

Min.: 1
Mult.: 1

: 5.000

Cartridge Fuses 250Vac 4A Time Delay Axial

TR2-S505H-V-4-R
Eaton Electronics
1: 2,30 €
2.703In Stock

Mfr. Part No.
TR2-S505H-V-4-R

Mouser Part No
504-S505H-V-4-R

Eaton Electronics

Cartridge Fuses 250Vac 4A Time Delay Axial

Learn More

Datasheet

2.703In Stock

Cut Tape

2,30 €

2,12 €

1,75 €

1,62 €

1,27 €

Reel

1,27 €

Min.: 1
Mult.: 1

: 1.500

Surface Mount Fuses 1245UMF, Time-Delay, 4 A

TR-1245UMFT4-R
Eaton Electronics
1: 0,98 €
5.821In Stock

Mfr. Part No.
TR-1245UMFT4-R

Mouser Part No
504-TR-1245UMFT4-R

Eaton Electronics

Surface Mount Fuses 1245UMF, Time-Delay, 4 A

Learn More

Datasheet

5.821In Stock

Cut Tape

0,98 €

0,903 €

0,748 €

0,69 €

View

Reel

0,542 €

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

4 A Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support