Circuit Protection – Mouser United Kingdom

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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.

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Types of Circuit Protection

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Results: 627

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Part #

ESD Protection Diodes / TVS Diodes 0.25pFA 14V 0402 AEC-Q200

PESD0402-140
Littelfuse
1: £0.323
268,683In Stock

Mfr. Part No.
PESD0402-140

Mouser Part No
650-PESD0402-140

Littelfuse

ESD Protection Diodes / TVS Diodes 0.25pFA 14V 0402 AEC-Q200

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Datasheet

268,683In Stock

Cut Tape

£0.323

£0.243

£0.206

£0.156

£0.113

Reel

£0.093

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Resettable Fuses - PPTC PTC 72V POLYFUSE SURF MOUNT 2920 0.35A

2920L035DR
Littelfuse
1: £0.45
2,493In Stock

Mfr. Part No.
2920L035DR

Mouser Part No
576-2920L035DR

Littelfuse

Resettable Fuses - PPTC PTC 72V POLYFUSE SURF MOUNT 2920 0.35A

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Datasheet

2,493In Stock

Cut Tape

£0.45

£0.424

£0.353

£0.31

Reel

£0.23

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC PTC 72V POLYFUSE SURF MOUNT 2920 0.50A

2920L050/72DR
Littelfuse
1: £0.555
758In Stock
1,500Expected 24/04/2026

Mfr. Part No.
2920L050/72DR

Mouser Part No
576-2920L050/72DR

Littelfuse

Resettable Fuses - PPTC PTC 72V POLYFUSE SURF MOUNT 2920 0.50A

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Datasheet

758In Stock

1,500Expected 24/04/2026

Cut Tape

£0.555

£0.512

£0.426

£0.393

Reel

£0.308

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 0.30A 60V 2920

2920L030DR
Littelfuse
1: £0.465
21,075In Stock

Mfr. Part No.
2920L030DR

Mouser Part No
576-2920L030

Littelfuse

Resettable Fuses - PPTC 0.30A 60V 2920

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Datasheet

21,075In Stock

Cut Tape

£0.465

£0.424

£0.353

£0.325

View

Reel

£0.213

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 0.50A 60V 2920

2920L050DR
Littelfuse
1: £0.421
21,935In Stock

Mfr. Part No.
2920L050DR

Mouser Part No
576-2920L050

Littelfuse

Resettable Fuses - PPTC 0.50A 60V 2920

Learn More

Datasheet

21,935In Stock

Cut Tape

£0.421

£0.361

£0.349

£0.316

View

Reel

£0.213

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 1.10A 33V 2920

2920L100PR
Littelfuse
1: £0.465
11,774In Stock

Mfr. Part No.
2920L100PR

Mouser Part No
576-2920L100

Littelfuse

Resettable Fuses - PPTC 1.10A 33V 2920

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Datasheet

11,774In Stock

Cut Tape

£0.465

£0.40

£0.339

£0.312

View

Reel

£0.213

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 60V 1.1A-HD 20A 1210

2920L110/60MR
Littelfuse
1: £0.555
24,416In Stock

Mfr. Part No.
2920L110/60MR

Mouser Part No
576-2920L110/60MR

Littelfuse

Resettable Fuses - PPTC 60V 1.1A-HD 20A 1210

Learn More

Datasheet

24,416In Stock

Cut Tape

£0.555

£0.427

£0.398

£0.346

Reel

£0.32

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC 1.25A 15V 2920

2920L125PR
Littelfuse
1: £0.465
6,000In Stock

Mfr. Part No.
2920L125PR

Mouser Part No
576-2920L125

Littelfuse

Resettable Fuses - PPTC 1.25A 15V 2920

Learn More

Datasheet

6,000In Stock

Cut Tape

£0.465

£0.423

£0.353

£0.317

View

Reel

£0.213

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 1.50A 33V 2920

2920L150DR
Littelfuse
1: £0.465
6,934In Stock
7,500Expected 07/04/2026

Mfr. Part No.
2920L150DR

Mouser Part No
576-2920L150

Littelfuse

Resettable Fuses - PPTC 1.50A 33V 2920

Learn More

Datasheet

6,934In Stock

7,500Expected 07/04/2026

Cut Tape

£0.465

£0.424

£0.353

£0.325

View

Reel

£0.213

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 1.85A 33V 2920

2920L185DR
Littelfuse
1: £0.533
25,142In Stock

Mfr. Part No.
2920L185DR

Mouser Part No
576-2920L185

Littelfuse

Resettable Fuses - PPTC 1.85A 33V 2920

Learn More

Datasheet

25,142In Stock

Cut Tape

£0.533

£0.467

£0.402

£0.373

View

Reel

£0.251

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 24V 2920 2A POLYFUSE

2920L200/24DR
Littelfuse
1: £0.593
13,137In Stock

Mfr. Part No.
2920L200/24DR

Mouser Part No
576-2920L200/24DR

Littelfuse

Resettable Fuses - PPTC 24V 2920 2A POLYFUSE

Learn More

Datasheet

13,137In Stock

Cut Tape

£0.593

£0.502

£0.449

£0.417

View

Reel

£0.33

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 2.50A 15V 2920

2920L250DR
Littelfuse
1: £0.533
20,422In Stock

Mfr. Part No.
2920L250DR

Mouser Part No
576-2920L250

Littelfuse

Resettable Fuses - PPTC 2.50A 15V 2920

Learn More

Datasheet

20,422In Stock

Cut Tape

£0.533

£0.492

£0.409

£0.377

Reel

£0.303

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 24V 2.6A 2920 POLYFUSE SURF MOUNT

2920L260/24DR
Littelfuse
1: £0.646
5,792In Stock
3,000Expected 23/02/2026

Mfr. Part No.
2920L260/24DR

Mouser Part No
576-2920L260/24DR

Littelfuse

Resettable Fuses - PPTC 24V 2.6A 2920 POLYFUSE SURF MOUNT

Learn More

Datasheet

5,792In Stock

3,000Expected 23/02/2026

Cut Tape

£0.646

£0.582

£0.481

£0.457

View

Reel

£0.335

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC PTC 15V 2920 3A

2920L300/15DR
Littelfuse
1: £0.593
12,812In Stock

Mfr. Part No.
2920L300/15DR

Mouser Part No
576-2920L300/15DR

Littelfuse

Resettable Fuses - PPTC PTC 15V 2920 3A

Learn More

Datasheet

12,812In Stock

Cut Tape

£0.593

£0.534

£0.453

£0.40

Reel

£0.339

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 24V 3.3A Poly 2920 PTC

2920L330/24MR
Littelfuse
1: £1.22
8,357In Stock

Mfr. Part No.
2920L330/24MR

Mouser Part No
576-2920L330/24MR

Littelfuse

Resettable Fuses - PPTC 24V 3.3A Poly 2920 PTC

Learn More

Datasheet

8,357In Stock

Cut Tape

£1.22

£1.08

£0.943

£0.863

Reel

£0.663

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC 16V 5.00A Poly 2920 PTC

2920L500/16MR
Littelfuse
1: £1.06
12,837In Stock

Mfr. Part No.
2920L500/16MR

Mouser Part No
576-2920L500/16MR

Littelfuse

Resettable Fuses - PPTC 16V 5.00A Poly 2920 PTC

Learn More

Datasheet

12,837In Stock

Cut Tape

£1.06

£0.899

£0.796

£0.768

Reel

£0.768

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC 16V 5.0A-HD 40A SMD

2920L500/16MR-A
Littelfuse
1: £2.15
1,263In Stock

Mfr. Part No.
2920L500/16MR-A

Mouser Part No
576-2920L500/16MR-A

Littelfuse

Resettable Fuses - PPTC 16V 5.0A-HD 40A SMD

Learn More

Datasheet

1,263In Stock

Cut Tape

£2.15

£1.79

£1.64

£1.37

View

Reel

£1.00

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC 12V 6.0A-HD 50A 2920

2920L600/12MR
Littelfuse
1: £0.601
4,532In Stock

Mfr. Part No.
2920L600/12MR

Mouser Part No
576-2920L600/12MR

Littelfuse

Resettable Fuses - PPTC 12V 6.0A-HD 50A 2920

Learn More

Datasheet

4,532In Stock

Cut Tape

£0.601

£0.512

£0.429

£0.41

View

Reel

£0.285

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

ESD Protection Diodes / TVS Diodes 400W 120V 5% Uni-Directional

SMAJ120A
Littelfuse
1: £0.075
17,938In Stock

Mfr. Part No.
SMAJ120A

Mouser Part No
576-SMAJ120A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 120V 5% Uni-Directional

Learn More

Datasheet

17,938In Stock

Cut Tape

£0.075

£0.061

Reel

£0.061

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 12V 5% Uni-Directional

SMAJ12A
Littelfuse
1: £0.158
45,204In Stock

Mfr. Part No.
SMAJ12A

Mouser Part No
576-SMAJ12A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 12V 5% Uni-Directional

Learn More

Datasheet

45,204In Stock

Cut Tape

£0.158

£0.12

£0.098

£0.085

£0.071

Reel

£0.053

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 12V 5% Bi-Directional

SMAJ12CA
Littelfuse
1: £0.21
39,850In Stock

Mfr. Part No.
SMAJ12CA

Mouser Part No
576-SMAJ12CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 12V 5% Bi-Directional

Learn More

Datasheet

39,850In Stock

Cut Tape

£0.21

£0.169

£0.098

£0.094

Reel

£0.065

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 13V 5% Bi-Directional

SMAJ13CA
Littelfuse
1: £0.165
19,043In Stock

Mfr. Part No.
SMAJ13CA

Mouser Part No
576-SMAJ13CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 13V 5% Bi-Directional

Learn More

Datasheet

19,043In Stock

Cut Tape

£0.165

£0.103

£0.069

£0.065

Reel

£0.061

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 24V 5% Uni-Directional

SMAJ24A
Littelfuse
1: £0.158
22,269In Stock
25,000Expected 30/04/2026

Mfr. Part No.
SMAJ24A

Mouser Part No
576-SMAJ24A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 24V 5% Uni-Directional

Learn More

Datasheet

22,269In Stock

25,000Expected 30/04/2026

Cut Tape

£0.158

£0.085

£0.056

£0.054

£0.053

Reel

£0.053

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 24V 5% Bi-Directional

SMAJ24CA
Littelfuse
1: £0.21
26,868In Stock

Mfr. Part No.
SMAJ24CA

Mouser Part No
576-SMAJ24CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 24V 5% Bi-Directional

Learn More

Datasheet

26,868In Stock

Cut Tape

£0.21

£0.137

£0.088

£0.082

Reel

£0.067

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 26V 5% Uni-Directional

SMAJ26A
Littelfuse
1: £0.188
35,542In Stock

Mfr. Part No.
SMAJ26A

Mouser Part No
576-SMAJ26A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 26V 5% Uni-Directional

Learn More

Datasheet

35,542In Stock

Cut Tape

£0.188

£0.123

£0.073

£0.072

Reel

£0.06

£0.053

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

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