Circuit Protection – Mouser United Kingdom

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

Ignition System Solutions

Littelfuse Ignition System Solutions protect against the feedback loops, overcurrent, and load dumps that threaten the mileage and emissions performance levels found in modern automobiles. Littelfuse offers a range of TVS diodes, MLVs, PPTCs, fuses, and high-performance ignition IGBTs to keep vehicular ignition systems operating at a high level.

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

Types of Circuit Protection

List Images

Results: 73

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 #

Resettable Fuses - PPTC .1A 60V Mini SMD AEC-Q200

MINIASMDC010F-2
Littelfuse
1: £0.458
211In Stock
10,000Expected 17/08/2026

Mfr. Part No.
MINIASMDC010F-2

Mouser Part No
650-MINIASMDC010F-2

Littelfuse

Resettable Fuses - PPTC .1A 60V Mini SMD AEC-Q200

Learn More

Datasheet

211In Stock

10,000Expected 17/08/2026

Cut Tape

£0.458

£0.422

£0.351

£0.324

Reel

£0.195

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC .14A 60V Mini SMD AEC-Q200

MINIASMDC014F-2
Littelfuse
1: £0.421
4,134In Stock

Mfr. Part No.
MINIASMDC014F-2

Mouser Part No
650-MINIASMDC014F-2

Littelfuse

Resettable Fuses - PPTC .14A 60V Mini SMD AEC-Q200

Learn More

Datasheet

4,134In Stock

Cut Tape

£0.421

£0.386

£0.32

£0.295

Reel

£0.178

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC .2A 30V Mini SMD AEC-Q200

MINIASMDC020F-2
Littelfuse
1: £0.54
5,013In Stock

Mfr. Part No.
MINIASMDC020F-2

Mouser Part No
650-MINIASMDC020F-2

Littelfuse

Resettable Fuses - PPTC .2A 30V Mini SMD AEC-Q200

Learn More

Datasheet

5,013In Stock

Cut Tape

£0.54

£0.416

£0.39

£0.294

Reel

£0.215

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC .3A 30V Mini SMD AEC-Q200

MINIASMDC030F-2
Littelfuse
1: £0.421
1,193In Stock
10,000Expected 24/11/2026

Mfr. Part No.
MINIASMDC030F-2

Mouser Part No
650-MINIASMDC030F-2

Littelfuse

Resettable Fuses - PPTC .3A 30V Mini SMD AEC-Q200

Learn More

Datasheet

1,193In Stock

10,000Expected 24/11/2026

Cut Tape

£0.421

£0.386

£0.32

£0.295

Reel

£0.178

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 1.1A 16V Mini SMD AEC-Q200

MINIASMDC110F/16-2
Littelfuse
1: £0.421
1,988In Stock
2,000Expected 14/09/2026

Mfr. Part No.
MINIASMDC110F/16-2

Mouser Part No
650-MINIASMDC110F/16

Littelfuse

Resettable Fuses - PPTC 1.1A 16V Mini SMD AEC-Q200

Learn More

Datasheet

1,988In Stock

2,000Expected 14/09/2026

Cut Tape

£0.421

£0.382

£0.318

£0.292

View

Reel

£0.223

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 1.1A 24V Mini SMD AEC-Q200

MINIASMDC110F/24-2
Littelfuse
1: £0.54
2,143In Stock

Mfr. Part No.
MINIASMDC110F/24-2

Mouser Part No
650-MINIASMDC110F/24

Littelfuse

Resettable Fuses - PPTC 1.1A 24V Mini SMD AEC-Q200

Learn More

Datasheet

2,143In Stock

Cut Tape

£0.54

£0.48

£0.409

£0.359

Reel

£0.236

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Resettable Fuses - PPTC 1.25A 16V Mini SMD AEC-Q200

MINIASMDC125F/16-2
Littelfuse
1: £0.458
1,734In Stock

Mfr. Part No.
MINIASMDC125F/16-2

Mouser Part No
650-MINIASMDC125F/16

Littelfuse

Resettable Fuses - PPTC 1.25A 16V Mini SMD AEC-Q200

Learn More

Datasheet

1,734In Stock

Cut Tape

£0.458

£0.407

£0.351

£0.305

View

Reel

£0.201

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 1.5A 16V Mini SMD AEC-Q200

MINIASMDC150F/16-2
Littelfuse
1: £0.421
2,453In Stock

Mfr. Part No.
MINIASMDC150F/16-2

Mouser Part No
650-MINIASMDC150F/16

Littelfuse

Resettable Fuses - PPTC 1.5A 16V Mini SMD AEC-Q200

Learn More

Datasheet

2,453In Stock

Cut Tape

£0.421

£0.382

£0.318

£0.292

Reel

£0.247

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 1.5A 24V Mini SMD AEC-Q200

MINIASMDC150F/24-2
Littelfuse
1: £0.615
2,102In Stock

Mfr. Part No.
MINIASMDC150F/24-2

Mouser Part No
650-MINIASMDC150F/24

Littelfuse

Resettable Fuses - PPTC 1.5A 24V Mini SMD AEC-Q200

Learn More

Datasheet

2,102In Stock

Cut Tape

£0.615

£0.564

£0.453

£0.428

Reel

£0.32

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC 2.6A 16V Mini SMD AEC-Q200

MINIASMDC260F/16-2
Littelfuse
1: £0.563
3,237In Stock

Mfr. Part No.
MINIASMDC260F/16-2

Mouser Part No
650-MINIASMDC260F/16

Littelfuse

Resettable Fuses - PPTC 2.6A 16V Mini SMD AEC-Q200

Learn More

Datasheet

3,237In Stock

Cut Tape

£0.563

£0.503

£0.43

£0.376

Reel

£0.247

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

ESD Protection Diodes / TVS Diodes 15V 7kW UNI-DIR SLD8S AEC-Q101

SLD8S15A
Littelfuse
1: £3.29
1,000Expected 26/10/2026

Mfr. Part No.
SLD8S15A

Mouser Part No
576-SLD8S15A

Littelfuse

ESD Protection Diodes / TVS Diodes 15V 7kW UNI-DIR SLD8S AEC-Q101

Learn More

Datasheet

1,000Expected 26/10/2026

Cut Tape

£3.29

£2.11

£1.58

Reel

£1.28

MouseReel Available

Min.: 1
Mult.: 1

: 500

Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 3.5A

044003.5WRA
Littelfuse
1: £1.48
Non-Stocked Lead-Time 21 Weeks

Mfr. Part No.
044003.5WRA

Mouser Part No
576-044003.5WRA

Littelfuse

Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 3.5A

Learn More

Datasheet

Non-Stocked Lead-Time 21 Weeks

Cut Tape

£1.48

£1.27

£1.20

£0.986

View

Reel

£0.588

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 13.2V 750MA-HD 100A 1812

RF4566-000
Littelfuse
1: £0.338
Non-Stocked Lead-Time 13 Weeks

Mfr. Part No.
RF4566-000

Mouser Part No
576-RF4566-000

Littelfuse

Resettable Fuses - PPTC 13.2V 750MA-HD 100A 1812

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

£0.338

£0.308

£0.255

£0.236

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 12V 1.5A-HD 100A 1812

MINIASMDC150F/12-2
Littelfuse
1: £0.511
Non-Stocked Lead-Time 13 Weeks

Mfr. Part No.
MINIASMDC150F/12-2

Mouser Part No
576-RF4568-000

Littelfuse

Resettable Fuses - PPTC 12V 1.5A-HD 100A 1812

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

£0.511

£0.47

£0.389

£0.36

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes AUTO TVS SMTO HI-POWER

SLD8S45A
Littelfuse
500: £1.28
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
SLD8S45A

Mouser Part No
576-SLD8S45A

Littelfuse

ESD Protection Diodes / TVS Diodes AUTO TVS SMTO HI-POWER

Learn More

Datasheet

Non-Stocked Lead-Time 22 Weeks

Reel

£1.28

Min.: 500
Mult.: 500

: 500

ESD Protection Diodes / TVS Diodes AUTO TVS SMTO HI-POWER

SLD8S51A
Littelfuse
500: £1.28
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
SLD8S51A

Mouser Part No
576-SLD8S51A

Littelfuse

ESD Protection Diodes / TVS Diodes AUTO TVS SMTO HI-POWER

Learn More

Datasheet

Non-Stocked Lead-Time 22 Weeks

Reel

£1.28

Min.: 500
Mult.: 500

: 500

Varistors 18V 1206 125C AUML AEC-Q200 Low Profile

V18AUMLA1206NA
Littelfuse
2,500: £0.432
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
V18AUMLA1206NA

Mouser Part No
576-V18AUMLA1206NA

Littelfuse

Varistors 18V 1206 125C AUML AEC-Q200 Low Profile

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

£0.432

£0.425

Min.: 2,500
Mult.: 2,500

Varistors 18V 1206 125C AUML AEC-Q200 Low Profile

V18AUMLA1206NT
Littelfuse
10,000: £0.432
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
V18AUMLA1206NT

Mouser Part No
576-V18AUMLA1206NT

Littelfuse

Varistors 18V 1206 125C AUML AEC-Q200 Low Profile

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

Reel

£0.432

Min.: 10,000
Mult.: 10,000

: 10,000

Varistors 18V 1210 125C AUML AEC-Q200 Low Profile

V18AUMLA1210NA
Littelfuse
2,000: £0.477
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
V18AUMLA1210NA

Mouser Part No
576-V18AUMLA1210NA

Littelfuse

Varistors 18V 1210 125C AUML AEC-Q200 Low Profile

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

£0.477

£0.473

Min.: 2,000
Mult.: 2,000

Varistors 18V 1210 125C AUML AEC-Q200 Low Profile

V18AUMLA1210NT
Littelfuse
8,000: £0.443
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
V18AUMLA1210NT

Mouser Part No
576-V18AUMLA1210NT

Littelfuse

Varistors 18V 1210 125C AUML AEC-Q200 Low Profile

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

Reel

£0.443

Min.: 8,000
Mult.: 8,000

: 8,000

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

V18AUMLA1812NA
Littelfuse
1,000: £0.952
Non-Stocked Lead-Time 32 Weeks

Mfr. Part No.
V18AUMLA1812NA

Mouser Part No
576-V18AUMLA1812NA

Littelfuse

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

Datasheet

Non-Stocked Lead-Time 32 Weeks

Reel

£0.952

Min.: 1,000
Mult.: 1,000

: 1,000

Varistors 18V 2220 125C AUML AEC-Q200 Low Profile

V18AUMLA2220A
Littelfuse
1: £3.70
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
V18AUMLA2220A

Mouser Part No
576-V18AUMLA2220A

Littelfuse

Varistors 18V 2220 125C AUML AEC-Q200 Low Profile

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

£3.70

£3.19

£3.04

£2.78

£2.31

Min.: 1
Mult.: 1

Varistors 18V 2220 125C AUML AEC-Q200 Low Profile

V18AUMLA2220T
Littelfuse
4,000: £2.16
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
V18AUMLA2220T

Mouser Part No
576-V18AUMLA2220T

Littelfuse

Varistors 18V 2220 125C AUML AEC-Q200 Low Profile

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

£2.16

Min.: 4,000
Mult.: 4,000

: 4,000

Ignition System Solutions

Types of Circuit Protection

Customer Service Office

Company

Resources

Support