Circuit Protection – Mouser United Kingdom

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

ECU Solutions

Littelfuse ECU Solutions offer a range of protection for the many circuits found in the Electronic Control Units (ECU) of modern automobiles. These ECUs control functions like GPS connectivity, transmission and engine control, and door lock. Littelfuse ECU Solutions include fuses, PPTCs, MOVs, MLVs, ESD suppressors, and more that provide defense against overcurrents and ESD that threaten various vehicular ECUs.

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

Types of Circuit Protection

List Images

Results: 404

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 600W 56V AEC-Q101 5% Uni-Directional

TPSMB56A
Littelfuse
1: £0.248
2,200In Stock

Mfr. Part No.
TPSMB56A

Mouser Part No
576-TPSMB56A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 56V AEC-Q101 5% Uni-Directional

Learn More

Datasheet

2,200In Stock

Cut Tape

£0.248

£0.216

£0.18

£0.147

Reel

£0.124

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 56V AEC-Q101 5% Bi-Directional

TPSMB56CA
Littelfuse
1: £0.196
3,625In Stock

Mfr. Part No.
TPSMB56CA

Mouser Part No
576-TPSMB56CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 56V AEC-Q101 5% Bi-Directional

Learn More

Datasheet

3,625In Stock

Cut Tape

£0.196

£0.18

£0.144

£0.133

Reel

£0.133

£0.124

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 600V AEC-Q101 5% Bi-Directional

TPSMB600CA-A
Littelfuse
1: £0.443
3,583In Stock

Mfr. Part No.
TPSMB600CA-A

Mouser Part No
576-TPSMB600CA-A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 600V AEC-Q101 5% Bi-Directional

Learn More

Datasheet

3,583In Stock

Cut Tape

£0.443

£0.387

£0.325

£0.299

Reel

£0.282

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 62V AEC-Q101 5% Bi-Directional

TPSMB62CA
Littelfuse
1: £0.285
2,827In Stock

Mfr. Part No.
TPSMB62CA

Mouser Part No
576-TPSMB62CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 62V AEC-Q101 5% Bi-Directional

Learn More

Datasheet

2,827In Stock

Cut Tape

£0.285

£0.213

£0.163

£0.141

£0.133

Reel

£0.124

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 68V AEC-Q101 5% Bi-Directional

TPSMB68CA
Littelfuse
1: £0.33
1,454In Stock
3,000Expected 13/04/2026

Mfr. Part No.
TPSMB68CA

Mouser Part No
576-TPSMB68CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 68V AEC-Q101 5% Bi-Directional

Learn More

Datasheet

1,454In Stock

3,000Expected 13/04/2026

Cut Tape

£0.33

£0.301

£0.24

£0.183

£0.167

Reel

£0.124

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 7.5V AEC-Q101 5% Uni-Directional

TPSMB7.5A
Littelfuse
1: £0.465
1,084In Stock

Mfr. Part No.
TPSMB7.5A

Mouser Part No
576-TPSMB7.5A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 7.5V AEC-Q101 5% Uni-Directional

Learn More

Datasheet

1,084In Stock

Cut Tape

£0.465

£0.298

£0.202

£0.186

Reel

£0.126

£0.124

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 75V AEC-Q101 5% Uni-Directional

TPSMB75A
Littelfuse
1: £0.398
2,437In Stock

Mfr. Part No.
TPSMB75A

Mouser Part No
576-TPSMB75A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 75V AEC-Q101 5% Uni-Directional

Learn More

Datasheet

2,437In Stock

Cut Tape

£0.398

£0.305

£0.208

£0.163

Reel

£0.138

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 75V AEC-Q101 5% Bi-Directional

TPSMB75CA
Littelfuse
1: £0.203
1,046In Stock

Mfr. Part No.
TPSMB75CA

Mouser Part No
576-TPSMB75CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 75V AEC-Q101 5% Bi-Directional

Learn More

Datasheet

1,046In Stock

Cut Tape

£0.203

£0.16

£0.133

Reel

£0.124

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 82V AEC-Q101 5% Uni-Directional

TPSMB82A
Littelfuse
1: £0.533
802In Stock

Mfr. Part No.
TPSMB82A

Mouser Part No
576-TPSMB82A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 82V AEC-Q101 5% Uni-Directional

Learn More

Datasheet

802In Stock

Cut Tape

£0.533

£0.357

£0.231

£0.177

£0.159

Reel

£0.124

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 82V AEC-Q101 5% Bi-Directional

TPSMB82CA
Littelfuse
1: £0.39
1,585In Stock

Mfr. Part No.
TPSMB82CA

Mouser Part No
576-TPSMB82CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 82V AEC-Q101 5% Bi-Directional

Learn More

Datasheet

1,585In Stock

Cut Tape

£0.39

£0.331

£0.23

£0.18

£0.151

Reel

£0.124

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 91V AEC-Q101 5% Uni-Directional

TPSMB91A
Littelfuse
1: £0.45
3,000In Stock

Mfr. Part No.
TPSMB91A

Mouser Part No
576-TPSMB91A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 91V AEC-Q101 5% Uni-Directional

Learn More

Datasheet

3,000In Stock

Cut Tape

£0.45

£0.305

£0.208

£0.163

Reel

£0.133

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 91V AEC-Q101 5% Bi-Directional

TPSMB91CA
Littelfuse
1: £0.278
901In Stock

Mfr. Part No.
TPSMB91CA

Mouser Part No
576-TPSMB91CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 91V AEC-Q101 5% Bi-Directional

Learn More

Datasheet

901In Stock

Cut Tape

£0.278

£0.217

£0.208

£0.188

£0.169

Reel

£0.124

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Varistors 14V 560pF 0805 AEC-Q200 MLA AUTO

V14MLA0805NHAUTO
Littelfuse
1: £0.30
2,286In Stock
2,500Expected 05/06/2026

Mfr. Part No.
V14MLA0805NHAUTO

Mouser Part No
576-V14MLA0805NHAUTO

Littelfuse

Varistors 14V 560pF 0805 AEC-Q200 MLA AUTO

Learn More

Datasheet

2,286In Stock

2,500Expected 05/06/2026

Cut Tape

£0.30

£0.184

£0.159

£0.148

£0.141

Reel

£0.126

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 14V 1400pF 1206 AEC-Q200 MLA AUTO

V14MLA1206NHAUTO
Littelfuse
1: £1.41
16In Stock

Mfr. Part No.
V14MLA1206NHAUTO

Mouser Part No
576-V14MLA1206NHAUTO

Littelfuse

Varistors 14V 1400pF 1206 AEC-Q200 MLA AUTO

Learn More

Datasheet

16In Stock

Cut Tape

£1.41

£0.871

£0.803

£0.66

View

Reel

£0.406

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 1W 16V 2220 AEC-Q200

V16AUMLA2220NS
Littelfuse
1: £2.65
421In Stock

Mfr. Part No.
V16AUMLA2220NS

Mouser Part No
576-V16AUMLA2220NS

Littelfuse

Varistors 1W 16V 2220 AEC-Q200

Learn More

Datasheet

421In Stock

Cut Tape

£2.65

£1.98

£1.87

£1.59

Reel

£1.27

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

V18AUMLA1210NH
Littelfuse
1: £0.826
1,648In Stock

Mfr. Part No.
V18AUMLA1210NH

Mouser Part No
576-V18AUMLA1210NH

Littelfuse

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

Learn More

Datasheet

1,648In Stock

Cut Tape

£0.826

£0.598

£0.54

£0.478

View

Reel

£0.402

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Varistors 18V 120pF 0603 AEC-Q200 MLA AUTO

V18MLA0603NHAUTO
Littelfuse
1: £0.285
669In Stock

Mfr. Part No.
V18MLA0603NHAUTO

Mouser Part No
576-V18MLA0603NHAUTO

Littelfuse

Varistors 18V 120pF 0603 AEC-Q200 MLA AUTO

Learn More

Datasheet

669In Stock

Cut Tape

£0.285

£0.176

£0.153

£0.141

View

Reel

£0.12

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 18V 520pF 0805 AEC-Q200 MLA AUTO

V18MLA0805NHAUTO
Littelfuse
1: £0.615
1,192In Stock

Mfr. Part No.
V18MLA0805NHAUTO

Mouser Part No
576-V18MLA0805NHAUTO

Littelfuse

Varistors 18V 520pF 0805 AEC-Q200 MLA AUTO

Learn More

Datasheet

1,192In Stock

Cut Tape

£0.615

£0.371

£0.257

£0.238

Reel

£0.142

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 26V 110pF 0603 AEC-Q200 MLA AUTO

V26MLA0603NHAUTO
Littelfuse
1: £0.285
2,420In Stock

Mfr. Part No.
V26MLA0603NHAUTO

Mouser Part No
576-V26MLA0603NHAUTO

Littelfuse

Varistors 26V 110pF 0603 AEC-Q200 MLA AUTO

Learn More

Datasheet

2,420In Stock

Cut Tape

£0.285

£0.176

£0.153

£0.141

View

Reel

£0.12

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 3.5V 1270pF 0603 AEC-Q200 MLA AUTO

V3.5MLA0603NHAUTO
Littelfuse
1: £0.285
987In Stock

Mfr. Part No.
V3.5MLA0603NHAUTO

Mouser Part No
576-V3.5MLA0603NHAUT

Littelfuse

Varistors 3.5V 1270pF 0603 AEC-Q200 MLA AUTO

Learn More

Datasheet

987In Stock

Cut Tape

£0.285

£0.176

£0.153

£0.141

View

Reel

£0.12

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 3.5V 2530pF 0805 AEC-Q200 MLA AUTO

V3.5MLA0805NHAUTO
Littelfuse
1: £0.30
3,161In Stock

Mfr. Part No.
V3.5MLA0805NHAUTO

Mouser Part No
576-V3.5MLA0805NHAUT

Littelfuse

Varistors 3.5V 2530pF 0805 AEC-Q200 MLA AUTO

Learn More

Datasheet

3,161In Stock

Cut Tape

£0.30

£0.184

£0.159

£0.148

View

Reel

£0.126

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 5.5V 660pF 0805 AEC-Q200 MLA AUTO

V5.5MLA0805LNHAUTO
Littelfuse
1: £0.30
1,946In Stock

Mfr. Part No.
V5.5MLA0805LNHAUTO

Mouser Part No
576-V5.5MLA0805LNHAU

Littelfuse

Varistors 5.5V 660pF 0805 AEC-Q200 MLA AUTO

Learn More

Datasheet

1,946In Stock

Cut Tape

£0.30

£0.184

£0.159

£0.148

View

Reel

£0.126

Min.: 1
Mult.: 1

Reel: 2,500

Resettable Fuses - PPTC .23A 60V SMD AEC-Q200

ASMD030F-2
Littelfuse
1: £0.533
2,142In Stock

Mfr. Part No.
ASMD030F-2

Mouser Part No
650-ASMD030F-2

Littelfuse

Resettable Fuses - PPTC .23A 60V SMD AEC-Q200

Learn More

Datasheet

2,142In Stock

Cut Tape

£0.533

£0.491

£0.407

£0.375

Reel

£0.237

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC .37A 60V SMD AEC-Q200

ASMD050F-2
Littelfuse
1: £0.563
2,864In Stock

Mfr. Part No.
ASMD050F-2

Mouser Part No
650-ASMD050F-2

Littelfuse

Resettable Fuses - PPTC .37A 60V SMD AEC-Q200

Learn More

Datasheet

2,864In Stock

Cut Tape

£0.563

£0.505

£0.416

£0.392

Reel

£0.26

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 1.85A 16V SMD AEC-Q200

ASMD185F-2
Littelfuse
1: £0.54
1,300In Stock

Mfr. Part No.
ASMD185F-2

Mouser Part No
650-ASMD185F-2

Littelfuse

Resettable Fuses - PPTC 1.85A 16V SMD AEC-Q200

Learn More

Datasheet

1,300In Stock

Cut Tape

£0.54

£0.498

£0.414

£0.382

Reel

£0.25

View

Min.: 1
Mult.: 1

Reel: 1,500

ECU Solutions

Types of Circuit Protection

Customer Service Office

Company

Resources

Support