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: 540

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 #

Varistors 10V 30A 150pF

V14MLA0603NH
Littelfuse
1: £0.338
23,071In Stock

Mfr. Part No.
V14MLA0603NH

Mouser Part No
576-V14MLA0603NH

Littelfuse

Varistors 10V 30A 150pF

Learn More

Datasheet

23,071In Stock

Cut Tape

£0.338

£0.237

£0.212

£0.183

View

Reel

£0.137

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Varistors 5.5 VDC .05J 39V-CL 210PF P

V5.5MLA0402LNR
Littelfuse
1: £0.271
11,288In Stock

Mfr. Part No.
V5.5MLA0402LNR

Mouser Part No
576-V5.5MLA0402LNR

Littelfuse

Varistors 5.5 VDC .05J 39V-CL 210PF P

Learn More

Datasheet

11,288In Stock

Cut Tape

£0.271

£0.163

£0.142

£0.132

View

Reel

£0.102

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Varistors 56 VDC 1J 120V-CL 180A PK

V56MLA1206NH
Littelfuse
1: £0.899
6,357In Stock

Mfr. Part No.
V56MLA1206NH

Mouser Part No
576-V56MLA1206NH

Littelfuse

Varistors 56 VDC 1J 120V-CL 180A PK

Learn More

Datasheet

6,357In Stock

Cut Tape

£0.899

£0.666

£0.619

£0.558

View

Reel

£0.406

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Resettable Fuses - PPTC 9V 100A 3.2Ohms

PICOSMDC020S-2
Littelfuse
1: £0.338
6,901In Stock

Mfr. Part No.
PICOSMDC020S-2

Mouser Part No
650-PICOSMDC020S-2

Littelfuse

Resettable Fuses - PPTC 9V 100A 3.2Ohms

Learn More

Datasheet

6,901In Stock

Cut Tape

£0.338

£0.311

£0.258

£0.238

£0.228

Reel

£0.228

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

V5.5MLA0805LNT
Littelfuse
1: £0.353
8,792In Stock

Mfr. Part No.
V5.5MLA0805LNT

Mouser Part No
576-V5.5MLA0805LNT

Littelfuse

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

Learn More

Datasheet

8,792In Stock

Cut Tape

£0.353

£0.247

£0.221

£0.191

View

Reel

£0.131

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Resettable Fuses - PPTC 6V 750MA-HD 40A SMD

PICOSMDC075S-2
Littelfuse
1: £0.496
4,301In Stock

Mfr. Part No.
PICOSMDC075S-2

Mouser Part No
650-PICOSMDC075S-2

Littelfuse

Resettable Fuses - PPTC 6V 750MA-HD 40A SMD

Learn More

Datasheet

4,301In Stock

Cut Tape

£0.496

£0.448

£0.405

£0.38

View

Reel

£0.228

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 6V 2920 2.60A POLYFUSE

2920L260PR
Littelfuse
1: £0.736
268In Stock
2,000Expected 01/10/2026

Mfr. Part No.
2920L260PR

Mouser Part No
576-2920L260PR

Littelfuse

Resettable Fuses - PPTC 6V 2920 2.60A POLYFUSE

Learn More

Datasheet

268In Stock

2,000Expected 01/10/2026

Cut Tape

£0.736

£0.583

£0.443

£0.428

View

Reel

£0.276

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

ESD Protection Diodes / TVS Diodes TVS 500W 8V DO-214AA TR13

SACB8.0
Littelfuse
1: £0.78
2,643In Stock

Mfr. Part No.
SACB8.0

Mouser Part No
576-SACB8.0

Littelfuse

ESD Protection Diodes / TVS Diodes TVS 500W 8V DO-214AA TR13

Learn More

Datasheet

2,643In Stock

Cut Tape

£0.78

£0.488

£0.32

£0.278

£0.274

Reel

£0.189

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

LED Protection Devices LED PROTECTOR Bi 9V DO214 2L RoHS

PLED9S
Littelfuse
1: £0.728
4,195In Stock

Mfr. Part No.
PLED9S

Mouser Part No
576-PLED9S

Littelfuse

LED Protection Devices LED PROTECTOR Bi 9V DO214 2L RoHS

Learn More

Datasheet

4,195In Stock

Cut Tape

£0.728

£0.526

£0.344

£0.281

£0.26

Reel

£0.26

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

ESD Protection Diodes / TVS Diodes TVS 500W 26V

SACB26
Littelfuse
1: £0.323
4,290In Stock

Mfr. Part No.
SACB26

Mouser Part No
576-SACB26

Littelfuse

ESD Protection Diodes / TVS Diodes TVS 500W 26V

Learn More

Datasheet

4,290In Stock

Cut Tape

£0.323

£0.32

£0.302

£0.246

£0.223

Reel

£0.182

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 400W 11V 5% Uni-Directional

SMAJ11A
Littelfuse
1: £0.338
14,586In Stock

Mfr. Part No.
SMAJ11A

Mouser Part No
576-SMAJ11A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 11V 5% Uni-Directional

Learn More

Datasheet

14,586In Stock

Cut Tape

£0.338

£0.16

£0.132

£0.101

£0.088

Reel

£0.088

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 150V 5% Uni-Directional

SMAJ150A
Littelfuse
1: £0.271
8,955In Stock

Mfr. Part No.
SMAJ150A

Mouser Part No
576-SMAJ150A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 150V 5% Uni-Directional

Learn More

Datasheet

8,955In Stock

Cut Tape

£0.271

£0.167

£0.12

£0.10

Reel

£0.064

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 250V 5% Uni-Directional

SMAJ250A
Littelfuse
1: £0.45
7,802In Stock

Mfr. Part No.
SMAJ250A

Mouser Part No
576-SMAJ250A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 250V 5% Uni-Directional

Learn More

Datasheet

7,802In Stock

Cut Tape

£0.45

£0.265

£0.206

£0.159

View

Reel

£0.127

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 200W 54V 5% Uni-directional

SMF54A
Littelfuse
1: £0.361
10,195In Stock

Mfr. Part No.
SMF54A

Mouser Part No
576-SMF54A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 54V 5% Uni-directional

Learn More

Datasheet

10,195In Stock

Cut Tape

£0.361

£0.19

£0.148

£0.117

Reel

£0.067

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

V18MLA0805NT
Littelfuse
1: £0.353
5,362In Stock

Mfr. Part No.
V18MLA0805NT

Mouser Part No
576-V18MLA0805NT

Littelfuse

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

Learn More

Datasheet

5,362In Stock

Cut Tape

£0.353

£0.247

£0.221

£0.191

View

Reel

£0.136

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

V65MLA2220NS
Littelfuse
1: £1.22
990In Stock

Mfr. Part No.
V65MLA2220NS

Mouser Part No
576-V65MLA2220NS

Littelfuse

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

Datasheet

990In Stock

Cut Tape

£1.22

£1.05

£0.995

£0.882

£0.834

Reel

£0.657

MouseReel Available

Min.: 1
Mult.: 1

: 500

Resettable Fuses - PPTC 3 Ohms 40 A 9 VDC - 40 C+ 85 C

FEMTOSMDC020F-2
Littelfuse
1: £0.661
2,351In Stock

Mfr. Part No.
FEMTOSMDC020F-2

Mouser Part No
650-FEMTOSMDC020F-2

Littelfuse

Resettable Fuses - PPTC 3 Ohms 40 A 9 VDC - 40 C+ 85 C

Learn More

Datasheet

2,351In Stock

Cut Tape

£0.661

£0.608

£0.505

£0.466

View

Reel

£0.387

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Resettable Fuses - PPTC 15V 100A 9Ohms

PICOSMDC012S-2
Littelfuse
1: £0.496
3,440In Stock

Mfr. Part No.
PICOSMDC012S-2

Mouser Part No
650-PICOSMDC012S-2

Littelfuse

Resettable Fuses - PPTC 15V 100A 9Ohms

Learn More

Datasheet

3,440In Stock

Cut Tape

£0.496

£0.448

£0.405

£0.38

View

Reel

£0.228

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Varistors Automotive Varistor AEC-Q200

V68MLA1206NHAUTO
Littelfuse
1: £1.37
299In Stock
2,500Expected 03/12/2026

Mfr. Part No.
V68MLA1206NHAUTO

Mouser Part No
576-V68MLA1206NHAUTO

Littelfuse

Varistors Automotive Varistor AEC-Q200

Datasheet

299In Stock

2,500Expected 03/12/2026

Cut Tape

£1.37

£0.917

£0.863

£0.715

View

Reel

£0.44

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Resettable Fuses - PPTC 15V 0.05A Ih 30 Ohm

femtoSMDC005F-02
Littelfuse
1: £0.849
704In Stock
4,000On Order

Mfr. Part No.
femtoSMDC005F-02

Mouser Part No
650-FEMTOSMDC005F-02

Littelfuse

Resettable Fuses - PPTC 15V 0.05A Ih 30 Ohm

Learn More

Datasheet

704In Stock

4,000On Order

Cut Tape

£0.849

£0.727

£0.636

£0.578

View

Reel

£0.285

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 12V 0.08A Ih 14 Ohm

femtoSMDC008F-02
Littelfuse
1: £1.33
639In Stock

Mfr. Part No.
femtoSMDC008F-02

Mouser Part No
650-FEMTOSMDC008F-02

Littelfuse

Resettable Fuses - PPTC 12V 0.08A Ih 14 Ohm

Learn More

Datasheet

639In Stock

Cut Tape

£1.33

£1.15

£1.03

£0.841

View

Reel

£0.501

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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

2920L050/72DR
Littelfuse
1: £0.638
6,905In Stock

Mfr. Part No.
2920L050/72DR

Mouser Part No
576-2920L050/72DR

Littelfuse

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

Learn More

Datasheet

6,905In Stock

Cut Tape

£0.638

£0.588

£0.462

£0.448

Reel

£0.335

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Resettable Fuses - PPTC PTC 60V POLYFUSE SURF MOUNT 2920 1.50A

2920L150/60MR
Littelfuse
1: £0.698
8,624In Stock
11,000Expected 10/08/2026

Mfr. Part No.
2920L150/60MR

Mouser Part No
576-2920L150/60MR

Littelfuse

Resettable Fuses - PPTC PTC 60V POLYFUSE SURF MOUNT 2920 1.50A

Learn More

Datasheet

8,624In Stock

11,000Expected 10/08/2026

Cut Tape

£0.698

£0.64

£0.519

£0.491

Reel

£0.32

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Surface Mount Fuses 1A Slo-Blo

0468001.NR
Littelfuse
1: £0.917
47,904In Stock
34,950On Order

Mfr. Part No.
0468001.NR

Mouser Part No
576-0468001.NR

Littelfuse

Surface Mount Fuses 1A Slo-Blo

Datasheet

47,904In Stock

34,950On Order

Cut Tape

£0.917

£0.818

£0.689

£0.568

View

Reel

£0.382

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 2A Slo-Blo

0468002.NR
Littelfuse
1: £0.925
35,559In Stock
30,000Expected 28/09/2026

Mfr. Part No.
0468002.NR

Mouser Part No
576-0468002.NR

Littelfuse

Surface Mount Fuses 2A Slo-Blo

Datasheet

35,559In Stock

30,000Expected 28/09/2026

Cut Tape

£0.925

£0.818

£0.694

£0.568

View

Reel

£0.481

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Smart Thermostat Solutions

Types of Circuit Protection

Customer Service Office

Company

Resources

Support