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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RoHS Compliant

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Part #

Surface Mount Fuses 1206 SLO-BLO 2.5A SLIMLINE HALIDE FREE

046802.5NRHF
Littelfuse
1: £0.986
7,131In Stock

Mfr. Part No.
046802.5NRHF

Mouser Part No
576-046802.5NRHF

Littelfuse

Surface Mount Fuses 1206 SLO-BLO 2.5A SLIMLINE HALIDE FREE

Datasheet

7,131In Stock

Cut Tape

£0.986

£0.899

£0.773

£0.652

View

Reel

£0.446

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

LED Protection Devices LED PROTECTOR 18V 1000mA DO214AA

PLED18S
Littelfuse
1: £0.908
7,080In Stock

Mfr. Part No.
PLED18S

Mouser Part No
576-PLED18S

Littelfuse

LED Protection Devices LED PROTECTOR 18V 1000mA DO214AA

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Datasheet

7,080In Stock

Cut Tape

£0.908

£0.571

£0.377

£0.292

£0.265

Reel

£0.247

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

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

PLED9S
Littelfuse
1: £0.871
4,800In Stock

Mfr. Part No.
PLED9S

Mouser Part No
576-PLED9S

Littelfuse

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

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Datasheet

4,800In Stock

Cut Tape

£0.871

£0.571

£0.371

£0.292

£0.264

Reel

£0.247

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

ESD Protection Diodes / TVS Diodes SMF - CA 12V

SMF12CA
Littelfuse
1: £0.308
20,447In Stock

Mfr. Part No.
SMF12CA

Mouser Part No
576-SMF12CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 12V

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Datasheet

20,447In Stock

Cut Tape

£0.308

£0.24

£0.107

£0.10

Reel

£0.082

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 200W 13V 5% Uni-directional

SMF13A-T13
Littelfuse
1: £0.278
19,413In Stock

Mfr. Part No.
SMF13A-T13

Mouser Part No
576-SMF13A-T13

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 13V 5% Uni-directional

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Datasheet

19,413In Stock

Cut Tape

£0.278

£0.189

£0.077

£0.074

Reel

£0.065

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

ESD Protection Diodes / TVS Diodes SMF - CA 15V

SMF15CA
Littelfuse
1: £0.30
27,370In Stock

Mfr. Part No.
SMF15CA

Mouser Part No
576-SMF15CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 15V

Learn More

Datasheet

27,370In Stock

Cut Tape

£0.30

£0.203

£0.096

Reel

£0.074

£0.073

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF - CA 16V

SMF16CA
Littelfuse
1: £0.383
19,552In Stock
15,000Expected 26/02/2026

Mfr. Part No.
SMF16CA

Mouser Part No
576-SMF16CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 16V

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Datasheet

19,552In Stock

15,000Expected 26/02/2026

Cut Tape

£0.383

£0.251

£0.148

£0.126

Reel

£0.094

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF - CA 20V

SMF20CA
Littelfuse
1: £0.361
38,446In Stock

Mfr. Part No.
SMF20CA

Mouser Part No
576-SMF20CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 20V

Learn More

Datasheet

38,446In Stock

Cut Tape

£0.361

£0.251

£0.114

£0.111

Reel

£0.092

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 200W 26V 5% Uni-directional

SMF26A
Littelfuse
1: £0.196
39,561In Stock

Mfr. Part No.
SMF26A

Mouser Part No
576-SMF26A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 26V 5% Uni-directional

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Datasheet

39,561In Stock

Cut Tape

£0.196

£0.119

£0.113

£0.099

Reel

£0.079

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 200W 3.3V 5% Uni-directional

SMF3.3
Littelfuse
1: £0.443
75,749In Stock
114,000On Order

Mfr. Part No.
SMF3.3

Mouser Part No
576-SMF3.3

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 3.3V 5% Uni-directional

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Datasheet

75,749In Stock

114,000On Order

Cut Tape

£0.443

£0.282

£0.155

£0.138

£0.126

Reel

£0.106

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 200W 30V 5% Uni-directional

SMF30A
Littelfuse
1: £0.18
22,207In Stock
75,000On Order

Mfr. Part No.
SMF30A

Mouser Part No
576-SMF30A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 30V 5% Uni-directional

Learn More

Datasheet

22,207In Stock

75,000On Order

Cut Tape

£0.18

£0.136

£0.081

£0.08

£0.079

Reel

£0.057

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF - CA 30V

SMF30CA
Littelfuse
1: £0.405
25,578In Stock

Mfr. Part No.
SMF30CA

Mouser Part No
576-SMF30CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 30V

Learn More

Datasheet

25,578In Stock

Cut Tape

£0.405

£0.251

£0.16

£0.13

Reel

£0.091

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF - CA 36V

SMF36CA
Littelfuse
1: £0.30
14,882In Stock

Mfr. Part No.
SMF36CA

Mouser Part No
576-SMF36CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 36V

Learn More

Datasheet

14,882In Stock

Cut Tape

£0.30

£0.235

£0.10

£0.094

£0.089

Reel

£0.073

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 200W 40V 5% Uni-directional

SMF40A
Littelfuse
1: £0.338
25,282In Stock
9,000Expected 23/02/2026

Mfr. Part No.
SMF40A

Mouser Part No
576-SMF40A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 40V 5% Uni-directional

Learn More

Datasheet

25,282In Stock

9,000Expected 23/02/2026

Cut Tape

£0.338

£0.18

£0.108

£0.102

Reel

£0.072

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF - CA 40V

SMF40CA
Littelfuse
1: £0.173
28,329In Stock
3,000Expected 24/03/2026

Mfr. Part No.
SMF40CA

Mouser Part No
576-SMF40CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 40V

Learn More

Datasheet

28,329In Stock

3,000Expected 24/03/2026

Cut Tape

£0.173

£0.147

£0.141

£0.129

Reel

£0.09

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 200W 45V 5% Uni-directional

SMF45A
Littelfuse
1: £0.271
32,470In Stock

Mfr. Part No.
SMF45A

Mouser Part No
576-SMF45A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 45V 5% Uni-directional

Learn More

Datasheet

32,470In Stock

Cut Tape

£0.271

£0.175

£0.10

£0.088

£0.074

Reel

£0.062

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMF5.0A
Littelfuse
1: £0.21
43,808In Stock
29,581Expected 15/05/2026

Mfr. Part No.
SMF5.0A

Mouser Part No
576-SMF5.0A

Littelfuse

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

Learn More

Datasheet

43,808In Stock

29,581Expected 15/05/2026

Cut Tape

£0.21

£0.135

£0.074

£0.072

£0.071

Reel

£0.057

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMF5.0A-T13
Littelfuse
1: £0.361
24,469In Stock

Mfr. Part No.
SMF5.0A-T13

Mouser Part No
576-SMF5.0A-T13

Littelfuse

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

Learn More

Datasheet

24,469In Stock

Cut Tape

£0.361

£0.238

£0.141

£0.107

Reel

£0.067

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

ESD Protection Diodes / TVS Diodes SMF - CA 5V

SMF5.0CA
Littelfuse
1: £0.428
14,541In Stock
9,000Expected 21/05/2026

Mfr. Part No.
SMF5.0CA

Mouser Part No
576-SMF5.0CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 5V

Learn More

Datasheet

14,541In Stock

9,000Expected 21/05/2026

Cut Tape

£0.428

£0.265

£0.169

£0.127

Reel

£0.083

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 200W 70V 5% Uni-directional

SMF70A
Littelfuse
1: £0.12
25,258In Stock

Mfr. Part No.
SMF70A

Mouser Part No
576-SMF70A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 70V 5% Uni-directional

Learn More

Datasheet

25,258In Stock

Cut Tape

£0.12

£0.085

£0.066

Reel

£0.065

£0.062

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF - CA 8.5V

SMF8.5CA
Littelfuse
1: £0.338
13,787In Stock

Mfr. Part No.
SMF8.5CA

Mouser Part No
576-SMF8.5CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 8.5V

Learn More

Datasheet

13,787In Stock

Cut Tape

£0.338

£0.254

£0.103

£0.10

Reel

£0.081

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Varistors 125A 135V 65pF

V120MLA1210NH
Littelfuse
1: £0.943
13,807In Stock

Mfr. Part No.
V120MLA1210NH

Mouser Part No
576-V120MLA1210NH

Littelfuse

Varistors 125A 135V 65pF

Learn More

Datasheet

13,807In Stock

Cut Tape

£0.943

£0.685

£0.621

£0.55

View

Reel

£0.468

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Varistors 10V 30A 150pF

V14MLA0603NH
Littelfuse
1: £0.285
27,672In Stock

Mfr. Part No.
V14MLA0603NH

Mouser Part No
576-V14MLA0603NH

Littelfuse

Varistors 10V 30A 150pF

Learn More

Datasheet

27,672In 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 18 VDC .1J 44V-CL 40A PK

V18MLA0805LNH
Littelfuse
1: £0.30
10,430In Stock

Mfr. Part No.
V18MLA0805LNH

Mouser Part No
576-V18MLA0805LNH

Littelfuse

Varistors 18 VDC .1J 44V-CL 40A PK

Learn More

Datasheet

10,430In 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 18 VDC .3J 44V-CL 120A PK

V18MLA0805NH
Littelfuse
1: £0.263
16,363In Stock

Mfr. Part No.
V18MLA0805NH

Mouser Part No
576-V18MLA0805NH

Littelfuse

Varistors 18 VDC .3J 44V-CL 120A PK

Learn More

Datasheet

16,363In Stock

Cut Tape

£0.263

£0.168

£0.148

£0.141

£0.134

Reel

£0.126

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

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