Circuit Protection – Mouser United Kingdom

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

Smart Thermostat Solutions

Littelfuse Smart Thermostat Solutions components allow designers to implement Internet of Things (IoT) solutions to boost energy efficiency and monitor energy usage. Littelfuse Smart Thermostat solutions complement other Smart Building features, including safety and security systems.

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

Types of Circuit Protection

List Images

Results: 627

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 SMDC310F/18-02

SMDC310F/18-02
Littelfuse
1: £1.85
4,477In Stock
6,000Expected 19/03/2026

Mfr. Part No.
SMDC310F/18-02

Mouser Part No
650-SMDC310F/18-02

Littelfuse

Resettable Fuses - PPTC SMDC310F/18-02

Learn More

Datasheet

4,477In Stock

6,000Expected 19/03/2026

Cut Tape

£1.85

£1.54

£1.42

£1.18

View

Reel

£0.817

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 60V 300MA-HD 10A MAX

2920L030DR-A
Littelfuse
1: £0.571
1,045In Stock

Mfr. Part No.
2920L030DR-A

Mouser Part No
576-2920L030DR-A

Littelfuse

Resettable Fuses - PPTC 60V 300MA-HD 10A MAX

Learn More

Datasheet

1,045In Stock

Cut Tape

£0.571

£0.523

£0.434

£0.40

Reel

£0.262

View

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 0.75A 30V 2920

2920L075DR
Littelfuse
1: £0.465
752In Stock
3,748Expected 23/02/2026

Mfr. Part No.
2920L075DR

Mouser Part No
576-2920L075

Littelfuse

Resettable Fuses - PPTC 0.75A 30V 2920

Learn More

Datasheet

752In Stock

3,748Expected 23/02/2026

Cut Tape

£0.465

£0.409

£0.353

£0.32

View

Reel

£0.213

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC PTC PLYFUSE SMT 2920 60V .750A

2920L075/60MR
Littelfuse
1: £0.503
2,643In Stock
4,900Expected 03/06/2026

Mfr. Part No.
2920L075/60MR

Mouser Part No
576-2920L075/60MR

Littelfuse

Resettable Fuses - PPTC PTC PLYFUSE SMT 2920 60V .750A

Learn More

Datasheet

2,643In Stock

4,900Expected 03/06/2026

Cut Tape

£0.503

£0.444

£0.383

£0.343

Reel

£0.282

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC 60V 1.1A-HD 20A MAX

2920L110/60MR-A
Littelfuse
1: £0.684
1,494In Stock

Mfr. Part No.
2920L110/60MR-A

Mouser Part No
576-2920L110/60MR-A

Littelfuse

Resettable Fuses - PPTC 60V 1.1A-HD 20A MAX

Learn More

Datasheet

1,494In Stock

Cut Tape

£0.684

£0.629

£0.522

£0.482

Reel

£0.365

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC 2.0A 15V 2920

2920L200DR
Littelfuse
1: £0.473
602In Stock
3,000On Order

Mfr. Part No.
2920L200DR

Mouser Part No
576-2920L200

Littelfuse

Resettable Fuses - PPTC 2.0A 15V 2920

Learn More

Datasheet

602In Stock

3,000On Order

Cut Tape

£0.473

£0.448

£0.394

£0.368

Reel

£0.303

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 6V 2920 3A SURF MOUNT

2920L300DR
Littelfuse
1: £0.533
1,018In Stock

Mfr. Part No.
2920L300DR

Mouser Part No
576-2920L300DR

Littelfuse

Resettable Fuses - PPTC 6V 2920 3A SURF MOUNT

Learn More

Datasheet

1,018In Stock

Cut Tape

£0.533

£0.477

£0.383

£0.355

View

Reel

£0.251

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 24V 3.3A-HD 40A SMD

2920L330/24MR-A
Littelfuse
1: £1.43
1,424In Stock

Mfr. Part No.
2920L330/24MR-A

Mouser Part No
576-2920L330/24MR-A

Littelfuse

Resettable Fuses - PPTC 24V 3.3A-HD 40A SMD

Learn More

Datasheet

1,424In Stock

Cut Tape

£1.43

£1.32

£1.10

£1.01

Reel

£0.693

View

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC 16V 6.0A-HD 22A SMD

2920L600/16MR
Littelfuse
1: £0.736
3,180In Stock
4,000Expected 20/04/2026

Mfr. Part No.
2920L600/16MR

Mouser Part No
576-2920L600/16MR

Littelfuse

Resettable Fuses - PPTC 16V 6.0A-HD 22A SMD

Learn More

Datasheet

3,180In Stock

4,000Expected 20/04/2026

Cut Tape

£0.736

£0.611

£0.564

£0.469

Reel

£0.312

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC 12V 7.0A-HD 50A 2920

2920L700/12MR
Littelfuse
1: £0.586
3,491In Stock

Mfr. Part No.
2920L700/12MR

Mouser Part No
576-2920L700/12MR

Littelfuse

Resettable Fuses - PPTC 12V 7.0A-HD 50A 2920

Learn More

Datasheet

3,491In Stock

Cut Tape

£0.586

£0.523

£0.441

£0.409

Reel

£0.348

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC 12V 7.0A-HD 50A MAX

2920L700/12MR-A
Littelfuse
1: £0.728
1,021In Stock

Mfr. Part No.
2920L700/12MR-A

Mouser Part No
576-2920L700/12MR-A

Littelfuse

Resettable Fuses - PPTC 12V 7.0A-HD 50A MAX

Learn More

Datasheet

1,021In Stock

Cut Tape

£0.728

£0.673

£0.558

£0.515

Reel

£0.354

View

Min.: 1
Mult.: 1

Reel: 1,000

ESD Protection Diodes / TVS Diodes TVS 500W 10V

SACB10
Littelfuse
1: £0.278
2,108In Stock
3,000Expected 13/03/2026

Mfr. Part No.
SACB10

Mouser Part No
576-SACB10

Littelfuse

ESD Protection Diodes / TVS Diodes TVS 500W 10V

Learn More

Datasheet

2,108In Stock

3,000Expected 13/03/2026

Cut Tape

£0.278

£0.228

£0.189

£0.173

Reel

£0.173

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes TVS 500W 12V

SACB12
Littelfuse
1: £0.33
4,914In Stock
6,000Expected 14/04/2026

Mfr. Part No.
SACB12

Mouser Part No
576-SACB12

Littelfuse

ESD Protection Diodes / TVS Diodes TVS 500W 12V

Learn More

Datasheet

4,914In Stock

6,000Expected 14/04/2026

Cut Tape

£0.33

£0.329

£0.261

£0.207

Reel

£0.183

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes TVS 500W 15V

SACB15
Littelfuse
1: £0.443
4,820In Stock

Mfr. Part No.
SACB15

Mouser Part No
576-SACB15

Littelfuse

ESD Protection Diodes / TVS Diodes TVS 500W 15V

Learn More

Datasheet

4,820In Stock

Cut Tape

£0.443

£0.376

£0.256

£0.203

£0.185

Reel

£0.173

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes TVS 500W 22V

SACB22
Littelfuse
1: £0.458
1,944In Stock

Mfr. Part No.
SACB22

Mouser Part No
576-SACB22

Littelfuse

ESD Protection Diodes / TVS Diodes TVS 500W 22V

Learn More

Datasheet

1,944In Stock

Cut Tape

£0.458

£0.381

£0.261

£0.206

£0.186

Reel

£0.173

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes TVS 500W 36V

SACB36
Littelfuse
1: £0.443
5,237In Stock

Mfr. Part No.
SACB36

Mouser Part No
576-SACB36

Littelfuse

ESD Protection Diodes / TVS Diodes TVS 500W 36V

Learn More

Datasheet

5,237In Stock

Cut Tape

£0.443

£0.381

£0.261

£0.207

Reel

£0.183

£0.173

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes TVS 500W 45V

SACB45
Littelfuse
1: £0.54
3,158In Stock

Mfr. Part No.
SACB45

Mouser Part No
576-SACB45

Littelfuse

ESD Protection Diodes / TVS Diodes TVS 500W 45V

Learn More

Datasheet

3,158In Stock

Cut Tape

£0.54

£0.381

£0.261

£0.206

Reel

£0.183

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes TVS 500W 5V DO-214AA TR13

SACB5.0
Littelfuse
1: £0.361
5,361In Stock

Mfr. Part No.
SACB5.0

Mouser Part No
576-SACB5.0

Littelfuse

ESD Protection Diodes / TVS Diodes TVS 500W 5V DO-214AA TR13

Learn More

Datasheet

5,361In Stock

Cut Tape

£0.361

£0.319

£0.262

£0.223

£0.191

Reel

£0.173

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes TVS 500W 50V

SACB50
Littelfuse
1: £0.308
2,517In Stock

Mfr. Part No.
SACB50

Mouser Part No
576-SACB50

Littelfuse

ESD Protection Diodes / TVS Diodes TVS 500W 50V

Learn More

Datasheet

2,517In Stock

Cut Tape

£0.308

£0.26

£0.226

£0.212

Reel

£0.175

£0.173

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes TVS 500W 6V DO-214AA TR13

SACB6.0
Littelfuse
1: £0.443
2,176In Stock

Mfr. Part No.
SACB6.0

Mouser Part No
576-SACB6.0

Littelfuse

ESD Protection Diodes / TVS Diodes TVS 500W 6V DO-214AA TR13

Learn More

Datasheet

2,176In Stock

Cut Tape

£0.443

£0.381

£0.261

£0.229

£0.207

Reel

£0.173

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 400W 100V 5% Uni-Directional

SMAJ100A
Littelfuse
1: £0.217
5,261In Stock
5,000Expected 14/05/2026

Mfr. Part No.
SMAJ100A

Mouser Part No
576-SMAJ100A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 100V 5% Uni-Directional

Learn More

Datasheet

5,261In Stock

5,000Expected 14/05/2026

Cut Tape

£0.217

£0.134

£0.093

£0.09

£0.078

Reel

£0.061

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 100V 5% Bi-Directional

SMAJ100CA
Littelfuse
1: £0.15
5,354In Stock
5,000Expected 23/04/2026

Mfr. Part No.
SMAJ100CA

Mouser Part No
576-SMAJ100CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 100V 5% Bi-Directional

Learn More

Datasheet

5,354In Stock

5,000Expected 23/04/2026

Cut Tape

£0.15

£0.105

£0.072

£0.068

Reel

£0.064

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 10V 5% Uni-Directional

SMAJ10A
Littelfuse
1: £0.315
14,588In Stock

Mfr. Part No.
SMAJ10A

Mouser Part No
576-SMAJ10A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 10V 5% Uni-Directional

Learn More

Datasheet

14,588In Stock

Cut Tape

£0.315

£0.197

£0.12

£0.094

£0.072

Reel

£0.053

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 10V 5% Bi-Directional

SMAJ10CA
Littelfuse
1: £0.30
9,819In Stock

Mfr. Part No.
SMAJ10CA

Mouser Part No
576-SMAJ10CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 10V 5% Bi-Directional

Learn More

Datasheet

9,819In Stock

Cut Tape

£0.30

£0.132

£0.105

£0.079

£0.072

Reel

£0.061

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 110V 5% Uni-Directional

SMAJ110A
Littelfuse
1: £0.248
5,551In Stock
5,000Expected 29/04/2026

Mfr. Part No.
SMAJ110A

Mouser Part No
576-SMAJ110A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 110V 5% Uni-Directional

Learn More

Datasheet

5,551In Stock

5,000Expected 29/04/2026

Cut Tape

£0.248

£0.165

£0.078

Reel

£0.071

£0.061

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Smart Thermostat Solutions

Types of Circuit Protection

Customer Service Office

Company

Resources

Support