Circuit Protection – Mouser United Kingdom

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Types of Circuit Protection

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Part #

ESD Protection Diodes / TVS Diodes SMF4L - CA 16V

SMF4L16CA
Littelfuse
1: £0.428
8,613In Stock
6,000Expected 24/03/2026

Mfr. Part No.
SMF4L16CA

Mouser Part No
576-SMF4L16CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF4L - CA 16V

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Datasheet

8,613In Stock

6,000Expected 24/03/2026

Cut Tape

£0.428

£0.265

£0.169

£0.127

£0.114

Reel

£0.079

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 400W 17V 5% Uni-directional

SMF4L17A
Littelfuse
1: £0.39
13,978In Stock

Mfr. Part No.
SMF4L17A

Mouser Part No
576-SMF4L17A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 17V 5% Uni-directional

Learn More

Datasheet

13,978In Stock

Cut Tape

£0.39

£0.243

£0.155

£0.116

Reel

£0.079

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF4L - CA 17V

SMF4L17CA
Littelfuse
1: £0.436
1,293In Stock

Mfr. Part No.
SMF4L17CA

Mouser Part No
576-SMF4L17CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF4L - CA 17V

Learn More

Datasheet

1,293In Stock

Cut Tape

£0.436

£0.27

£0.171

£0.14

Reel

£0.085

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 400W 18V 5% Uni-directional

SMF4L18A
Littelfuse
1: £0.30
4,038In Stock

Mfr. Part No.
SMF4L18A

Mouser Part No
576-SMF4L18A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 18V 5% Uni-directional

Learn More

Datasheet

4,038In Stock

Cut Tape

£0.30

£0.224

£0.127

£0.114

Reel

£0.076

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF4L - CA 18V

SMF4L18CA
Littelfuse
1: £0.323
8,869In Stock

Mfr. Part No.
SMF4L18CA

Mouser Part No
576-SMF4L18CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF4L - CA 18V

Learn More

Datasheet

8,869In Stock

Cut Tape

£0.323

£0.216

£0.106

£0.105

Reel

£0.083

£0.079

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 400W 20V 5% Uni-directional

SMF4L20A
Littelfuse
1: £0.271
3,750In Stock

Mfr. Part No.
SMF4L20A

Mouser Part No
576-SMF4L20A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 20V 5% Uni-directional

Learn More

Datasheet

3,750In Stock

Cut Tape

£0.271

£0.193

£0.116

£0.113

Reel

£0.087

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF4L - CA 20V

SMF4L20CA
Littelfuse
1: £0.323
2,319In Stock
3,000Expected 02/06/2026

Mfr. Part No.
SMF4L20CA

Mouser Part No
576-SMF4L20CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF4L - CA 20V

Learn More

Datasheet

2,319In Stock

3,000Expected 02/06/2026

Cut Tape

£0.323

£0.175

£0.146

£0.138

Reel

£0.082

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 400W 22V 5% Uni-directional

SMF4L22A
Littelfuse
1: £0.308
432In Stock
3,000Expected 11/05/2026

Mfr. Part No.
SMF4L22A

Mouser Part No
576-SMF4L22A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 22V 5% Uni-directional

Learn More

Datasheet

432In Stock

3,000Expected 11/05/2026

Cut Tape

£0.308

£0.233

£0.146

£0.124

Reel

£0.071

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF4L - CA 22V

SMF4L22CA
Littelfuse
1: £0.323
5,853In Stock

Mfr. Part No.
SMF4L22CA

Mouser Part No
576-SMF4L22CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF4L - CA 22V

Learn More

Datasheet

5,853In Stock

Cut Tape

£0.323

£0.216

£0.10

£0.098

Reel

£0.087

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMF4L24A
Littelfuse
1: £0.271
4,250In Stock

Mfr. Part No.
SMF4L24A

Mouser Part No
576-SMF4L24A

Littelfuse

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

Learn More

Datasheet

4,250In Stock

Cut Tape

£0.271

£0.193

£0.088

£0.086

£0.081

Reel

£0.07

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF4L - CA 24V

SMF4L24CA
Littelfuse
1: £0.323
6,953In Stock

Mfr. Part No.
SMF4L24CA

Mouser Part No
576-SMF4L24CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF4L - CA 24V

Learn More

Datasheet

6,953In Stock

Cut Tape

£0.323

£0.22

£0.107

£0.102

£0.096

Reel

£0.079

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMF4L26A
Littelfuse
1: £0.15
1,042In Stock
3,000Expected 06/04/2026

Mfr. Part No.
SMF4L26A

Mouser Part No
576-SMF4L26A

Littelfuse

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

Learn More

Datasheet

1,042In Stock

3,000Expected 06/04/2026

Cut Tape

£0.15

£0.111

£0.11

£0.098

Reel

£0.078

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF4L - CA 26V

SMF4L26CA
Littelfuse
1: £0.323
1,337In Stock
3,000Expected 31/03/2026

Mfr. Part No.
SMF4L26CA

Mouser Part No
576-SMF4L26CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF4L - CA 26V

Learn More

Datasheet

1,337In Stock

3,000Expected 31/03/2026

Cut Tape

£0.323

£0.253

£0.11

£0.107

Reel

£0.093

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 400W 28V 5% Uni-directional

SMF4L28A
Littelfuse
1: £0.30
3,471In Stock

Mfr. Part No.
SMF4L28A

Mouser Part No
576-SMF4L28A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 28V 5% Uni-directional

Learn More

Datasheet

3,471In Stock

Cut Tape

£0.30

£0.198

£0.112

£0.10

Reel

£0.073

£0.07

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF4L - CA 28V

SMF4L28CA
Littelfuse
1: £0.428
6,312In Stock

Mfr. Part No.
SMF4L28CA

Mouser Part No
576-SMF4L28CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF4L - CA 28V

Learn More

Datasheet

6,312In Stock

Cut Tape

£0.428

£0.265

£0.169

£0.127

Reel

£0.087

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 400W 30V 5% Uni-directional

SMF4L30A
Littelfuse
1: £0.225
6,344In Stock

Mfr. Part No.
SMF4L30A

Mouser Part No
576-SMF4L30A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 30V 5% Uni-directional

Learn More

Datasheet

6,344In Stock

Cut Tape

£0.225

£0.123

£0.089

Reel

£0.07

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 400W 33V 5% Uni-directional

SMF4L33A
Littelfuse
1: £0.24
13,524In Stock

Mfr. Part No.
SMF4L33A

Mouser Part No
576-SMF4L33A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 33V 5% Uni-directional

Learn More

Datasheet

13,524In Stock

Cut Tape

£0.24

£0.141

£0.081

Reel

£0.072

£0.07

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 400W 36V 5% Uni-directional

SMF4L36A
Littelfuse
1: £0.346
9,652In Stock
6,000Expected 18/05/2026

Mfr. Part No.
SMF4L36A

Mouser Part No
576-SMF4L36A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 36V 5% Uni-directional

Learn More

Datasheet

9,652In Stock

6,000Expected 18/05/2026

Cut Tape

£0.346

£0.214

£0.143

£0.125

Reel

£0.086

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF4L - CA 40V

SMF4L40CA
Littelfuse
1: £0.428
6,000In Stock

Mfr. Part No.
SMF4L40CA

Mouser Part No
576-SMF4L40CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF4L - CA 40V

Learn More

Datasheet

6,000In Stock

Cut Tape

£0.428

£0.265

£0.169

£0.13

Reel

£0.087

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 400W 43V 5% Uni-directional

SMF4L43A
Littelfuse
1: £0.308
3,559In Stock

Mfr. Part No.
SMF4L43A

Mouser Part No
576-SMF4L43A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 43V 5% Uni-directional

Learn More

Datasheet

3,559In Stock

Cut Tape

£0.308

£0.23

£0.098

£0.093

£0.086

Reel

£0.07

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF4L - CA 43V

SMF4L43CA
Littelfuse
1: £0.398
5,267In Stock

Mfr. Part No.
SMF4L43CA

Mouser Part No
576-SMF4L43CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF4L - CA 43V

Learn More

Datasheet

5,267In Stock

Cut Tape

£0.398

£0.27

£0.155

£0.135

Reel

£0.098

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF4L - CA 45V

SMF4L45CA
Littelfuse
1: £0.436
2,180In Stock

Mfr. Part No.
SMF4L45CA

Mouser Part No
576-SMF4L45CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF4L - CA 45V

Learn More

Datasheet

2,180In Stock

Cut Tape

£0.436

£0.27

£0.171

£0.14

Reel

£0.08

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 400W 48V 5% Uni-directional

SMF4L48A
Littelfuse
1: £0.233
8,618In Stock
6,000Expected 02/06/2026

Mfr. Part No.
SMF4L48A

Mouser Part No
576-SMF4L48A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 48V 5% Uni-directional

Learn More

Datasheet

8,618In Stock

6,000Expected 02/06/2026

Cut Tape

£0.233

£0.14

£0.089

£0.083

Reel

£0.074

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMF4L5.0A
Littelfuse
1: £0.15
5,923In Stock
6,000Expected 21/05/2026

Mfr. Part No.
SMF4L5.0A

Mouser Part No
576-SMF4L5.0A

Littelfuse

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

Learn More

Datasheet

5,923In Stock

6,000Expected 21/05/2026

Cut Tape

£0.15

£0.148

£0.086

£0.083

Reel

£0.072

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 400W 51V 5% Uni-directional

SMF4L51A
Littelfuse
1: £0.33
4,764In Stock

Mfr. Part No.
SMF4L51A

Mouser Part No
576-SMF4L51A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 51V 5% Uni-directional

Learn More

Datasheet

4,764In Stock

Cut Tape

£0.33

£0.241

£0.123

£0.11

Reel

£0.088

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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