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 #

ESD Protection Diodes / TVS Diodes 17V 7kW UNI-DIR SLD8S AEC-Q101

SLD8S17A
Littelfuse
1: £2.67
1,076In Stock

Mfr. Part No.
SLD8S17A

Mouser Part No
576-SLD8S17A

Littelfuse

ESD Protection Diodes / TVS Diodes 17V 7kW UNI-DIR SLD8S AEC-Q101

Learn More

Datasheet

1,076In Stock

Cut Tape

£2.67

£1.98

£1.58

Reel

£1.28

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes 26V 7kW UNI-DIR SLD8S AEC-Q101

SLD8S26A
Littelfuse
1: £2.67
1,156In Stock

Mfr. Part No.
SLD8S26A

Mouser Part No
576-SLD8S26A

Littelfuse

ESD Protection Diodes / TVS Diodes 26V 7kW UNI-DIR SLD8S AEC-Q101

Learn More

Datasheet

1,156In Stock

Cut Tape

£2.67

£1.98

£1.58

Reel

£1.28

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes 40V 7kW UNI-DIR SLD8S AEC-Q101

SLD8S40A
Littelfuse
1: £2.44
1,995In Stock

Mfr. Part No.
SLD8S40A

Mouser Part No
576-SLD8S40A

Littelfuse

ESD Protection Diodes / TVS Diodes 40V 7kW UNI-DIR SLD8S AEC-Q101

Learn More

Datasheet

1,995In Stock

Cut Tape

£2.44

£1.90

£1.59

Reel

£1.40

MouseReel Available

Min.: 1
Mult.: 1

: 500

Resettable Fuses - PPTC 33V 750MA-HD 100A 1812

MINIASMDC075F/33-2
Littelfuse
1: £0.526
6,615In Stock
3,000Expected 25/08/2026

Mfr. Part No.
MINIASMDC075F/33-2

Mouser Part No
576-RF4567-000

Littelfuse

Resettable Fuses - PPTC 33V 750MA-HD 100A 1812

Learn More

Datasheet

6,615In Stock

3,000Expected 25/08/2026

Cut Tape

£0.526

£0.483

£0.401

£0.369

Reel

£0.269

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 2.5A

044002.5WRA
Littelfuse
1: £1.48
5,790In Stock

Mfr. Part No.
044002.5WRA

Mouser Part No
576-044002.5WRA

Littelfuse

Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 2.5A

Learn More

Datasheet

5,790In Stock

Cut Tape

£1.48

£1.28

£1.20

£0.986

View

Reel

£0.588

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC .5A 24V Mini SMD AEC-Q200

MINIASMDC050F-2
Littelfuse
1: £0.421
14,359In Stock

Mfr. Part No.
MINIASMDC050F-2

Mouser Part No
650-MINIASMDC050F-2

Littelfuse

Resettable Fuses - PPTC .5A 24V Mini SMD AEC-Q200

Learn More

Datasheet

14,359In Stock

Cut Tape

£0.421

£0.369

£0.319

£0.287

Reel

£0.169

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

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

V18AUMLA1206NH
Littelfuse
1: £0.871
4,320In Stock

Mfr. Part No.
V18AUMLA1206NH

Mouser Part No
576-V18AUMLA1206NH

Littelfuse

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

Learn More

Datasheet

4,320In Stock

Cut Tape

£0.871

£0.631

£0.571

£0.504

View

Reel

£0.364

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 1.75A

04401.75WRA
Littelfuse
1: £1.37
2,955In Stock

Mfr. Part No.
04401.75WRA

Mouser Part No
576-04401.75WRA

Littelfuse

Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 1.75A

Learn More

Datasheet

2,955In Stock

Cut Tape

£1.37

£1.24

£1.18

£0.952

View

Reel

£0.588

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Surface Mount Fuses .750A 63V FAST ACTING

0440.750WRA
Littelfuse
1: £1.37
2,713In Stock

Mfr. Part No.
0440.750WRA

Mouser Part No
576-0440.750WRA

Littelfuse

Surface Mount Fuses .750A 63V FAST ACTING

Learn More

Datasheet

2,713In Stock

Cut Tape

£1.37

£1.24

£1.18

£0.952

View

Reel

£0.588

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 14V 7kW UNI-DIR SLD8S AEC-Q101

SLD8S14A
Littelfuse
1: £2.67
860In Stock

Mfr. Part No.
SLD8S14A

Mouser Part No
576-SLD8S14A

Littelfuse

ESD Protection Diodes / TVS Diodes 14V 7kW UNI-DIR SLD8S AEC-Q101

Learn More

Datasheet

860In Stock

Cut Tape

£2.67

£1.98

£1.58

Reel

£1.28

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes 16V 7kW UNI-DIR SLD8S AEC-Q101

SLD8S16A
Littelfuse
1: £3.18
768In Stock

Mfr. Part No.
SLD8S16A

Mouser Part No
576-SLD8S16A

Littelfuse

ESD Protection Diodes / TVS Diodes 16V 7kW UNI-DIR SLD8S AEC-Q101

Learn More

Datasheet

768In Stock

Cut Tape

£3.18

£2.11

£1.58

Reel

£1.28

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes 27V 7kW UNI-DIR SLD8S AEC-Q101

SLD8S27A
Littelfuse
1: £2.79
779In Stock

Mfr. Part No.
SLD8S27A

Mouser Part No
576-SLD8S27A

Littelfuse

ESD Protection Diodes / TVS Diodes 27V 7kW UNI-DIR SLD8S AEC-Q101

Learn More

Datasheet

779In Stock

Cut Tape

£2.79

£2.07

£1.60

Reel

£1.31

£1.30

MouseReel Available

Min.: 1
Mult.: 1

: 500

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

SLD8S15A
Littelfuse
1: £3.20
643In Stock

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

643In Stock

Cut Tape

£3.20

£2.11

£1.60

Reel

£1.28

MouseReel Available

Min.: 1
Mult.: 1

: 500

Resettable Fuses - PPTC .75A 24V Mini SMD AEC-Q200

MINIASMDC075F/24-2
Littelfuse
1: £0.555
2,794In Stock

Mfr. Part No.
MINIASMDC075F/24-2

Mouser Part No
650-MINIASMDC075F/24

Littelfuse

Resettable Fuses - PPTC .75A 24V Mini SMD AEC-Q200

Learn More

Datasheet

2,794In Stock

Cut Tape

£0.555

£0.451

£0.416

£0.366

Reel

£0.245

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Resettable Fuses - PPTC 13.2V 500MA-HD 40A 1210

RF4565-000
Littelfuse
1: £0.428
3,378In Stock

Mfr. Part No.
RF4565-000

Mouser Part No
576-RF4565-000

Littelfuse

Resettable Fuses - PPTC 13.2V 500MA-HD 40A 1210

Learn More

Datasheet

3,378In Stock

£0.428

£0.39

£0.325

£0.299

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 13.2V 500MA-HD 70A SMD

RF4564-000
Littelfuse
1: £0.571
2,684In Stock

Mfr. Part No.
RF4564-000

Mouser Part No
576-RF4564-000

Littelfuse

Resettable Fuses - PPTC 13.2V 500MA-HD 70A SMD

Learn More

Datasheet

2,684In Stock

£0.571

£0.523

£0.434

£0.401

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 18V 7kW UNI-DIR SLD8S AEC-Q101

SLD8S18A
Littelfuse
1: £3.25
4,596In Stock

Mfr. Part No.
SLD8S18A

Mouser Part No
576-SLD8S18A

Littelfuse

ESD Protection Diodes / TVS Diodes 18V 7kW UNI-DIR SLD8S AEC-Q101

Learn More

Datasheet

4,596In Stock

Cut Tape

£3.25

£2.11

£1.58

Reel

£1.28

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes 22V 7kW UNI-DIR SLD8S AEC-Q101

SLD8S22A
Littelfuse
1: £3.20
1,749In Stock

Mfr. Part No.
SLD8S22A

Mouser Part No
576-SLD8S22A

Littelfuse

ESD Protection Diodes / TVS Diodes 22V 7kW UNI-DIR SLD8S AEC-Q101

Learn More

Datasheet

1,749In Stock

Cut Tape

£3.20

£2.11

£1.58

Reel

£1.28

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes 24V 7kW UNI-DIR SLD8S AEC-Q101

SLD8S24A
Littelfuse
1: £2.88
2,619In Stock
500Expected 29/06/2026

Mfr. Part No.
SLD8S24A

Mouser Part No
576-SLD8S24A

Littelfuse

ESD Protection Diodes / TVS Diodes 24V 7kW UNI-DIR SLD8S AEC-Q101

Learn More

Datasheet

2,619In Stock

500Expected 29/06/2026

Cut Tape

£2.88

£1.96

£1.50

Reel

£1.28

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes 36V 7kW UNI-DIR SLD8S AEC-Q101

SLD8S36A
Littelfuse
1: £3.25
4,183In Stock

Mfr. Part No.
SLD8S36A

Mouser Part No
576-SLD8S36A

Littelfuse

ESD Protection Diodes / TVS Diodes 36V 7kW UNI-DIR SLD8S AEC-Q101

Learn More

Datasheet

4,183In Stock

Cut Tape

£3.25

£2.21

£1.58

Reel

£1.28

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes 43V 7kW UNI-DIR SLD8S AEC-Q101

SLD8S43A
Littelfuse
1: £2.93
1,179In Stock
500Expected 10/09/2026

Mfr. Part No.
SLD8S43A

Mouser Part No
576-SLD8S43A

Littelfuse

ESD Protection Diodes / TVS Diodes 43V 7kW UNI-DIR SLD8S AEC-Q101

Learn More

Datasheet

1,179In Stock

500Expected 10/09/2026

Cut Tape

£2.93

£2.03

£1.56

Reel

£1.28

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes 48V 7kW UNI-DIR SLD8S AEC-Q101

SLD8S48A
Littelfuse
1: £3.20
3,113In Stock

Mfr. Part No.
SLD8S48A

Mouser Part No
576-SLD8S48A

Littelfuse

ESD Protection Diodes / TVS Diodes 48V 7kW UNI-DIR SLD8S AEC-Q101

Learn More

Datasheet

3,113In Stock

Cut Tape

£3.20

£2.11

£1.58

Reel

£1.28

MouseReel Available

Min.: 1
Mult.: 1

: 500

Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 .500A

0440.500WRA
Littelfuse
1: £1.48
6,861In Stock

Mfr. Part No.
0440.500WRA

Mouser Part No
576-0440.500WRA

Littelfuse

Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 .500A

Learn More

Datasheet

6,861In Stock

Cut Tape

£1.48

£1.28

£1.20

£0.986

View

Reel

£0.588

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 3A

0440003.WRA
Littelfuse
1: £1.48
2,668In Stock

Mfr. Part No.
0440003.WRA

Mouser Part No
576-0440003.WRA

Littelfuse

Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 3A

Learn More

Datasheet

2,668In Stock

Cut Tape

£1.48

£1.28

Reel

£1.28

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Surface Mount Fuses 7A 63V FAST ACTING

0440007.WRA
Littelfuse
1: £1.48
2,675In Stock

Mfr. Part No.
0440007.WRA

Mouser Part No
576-0440007.WRA

Littelfuse

Surface Mount Fuses 7A 63V FAST ACTING

Learn More

Datasheet

2,675In Stock

Cut Tape

£1.48

£1.28

£1.20

£0.986

View

Reel

£0.588

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Ignition System Solutions

Types of Circuit Protection

Customer Service Office

Company

Resources

Support