Circuit Protection – Mouser United Kingdom

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

High-Power Conversion

Littelfuse provides a wide portfolio of products for High-Power Conversion, including diodes, gate drivers, high-speed fuses, MOSFETs, and power modules. These products are broken down into four functions: rectifier, break chopper or PFC, inverter, and semiconductor protection.

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

Types of Circuit Protection

List Images

Results: 132

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 #

ESD Protection Diodes / TVS Diodes 600W 5V 5% Bi-Directional

SMBJ5.0CA
Littelfuse
1: £0.263
31,203In Stock

Mfr. Part No.
SMBJ5.0CA

Mouser Part No
576-SMBJ5.0CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 5V 5% Bi-Directional

Learn More

Datasheet

31,203In Stock

Cut Tape

£0.263

£0.205

£0.146

£0.107

£0.094

Reel

£0.069

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 51V 5% Bi-Directional

SMBJ51CA
Littelfuse
1: £0.196
25,427In Stock

Mfr. Part No.
SMBJ51CA

Mouser Part No
576-SMBJ51CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 51V 5% Bi-Directional

Learn More

Datasheet

25,427In Stock

Cut Tape

£0.196

£0.189

£0.105

£0.102

Reel

£0.073

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 54V 5% Bi-Directional

SMBJ54CA
Littelfuse
1: £0.292
23,695In Stock

Mfr. Part No.
SMBJ54CA

Mouser Part No
576-SMBJ54CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 54V 5% Bi-Directional

Learn More

Datasheet

23,695In Stock

Cut Tape

£0.292

£0.186

£0.096

Reel

£0.079

£0.074

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 6V 5% Bi-Directional

SMBJ6.0CA
Littelfuse
1: £0.353
17,533In Stock
12,000Expected 28/04/2026

Mfr. Part No.
SMBJ6.0CA

Mouser Part No
576-SMBJ6.0CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 6V 5% Bi-Directional

Learn More

Datasheet

17,533In Stock

12,000Expected 28/04/2026

Cut Tape

£0.353

£0.213

£0.137

£0.104

£0.093

Reel

£0.069

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 8V 5% Uni-Directional

SMBJ8.0A
Littelfuse
1: £0.278
21,230In Stock

Mfr. Part No.
SMBJ8.0A

Mouser Part No
576-SMBJ8.0A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 8V 5% Uni-Directional

Learn More

Datasheet

21,230In Stock

Cut Tape

£0.278

£0.13

£0.088

£0.086

£0.082

Reel

£0.057

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 18V 5% Bi-Directional

SMBJ18CA
Littelfuse
1: £0.285
27,778In Stock

Mfr. Part No.
SMBJ18CA

Mouser Part No
576-SMBJ18CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 18V 5% Bi-Directional

Learn More

Datasheet

27,778In Stock

Cut Tape

£0.285

£0.219

£0.094

£0.092

Reel

£0.069

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 40V 5% Bi-Directional

SMBJ40CA
Littelfuse
1: £0.173
16,827In Stock

Mfr. Part No.
SMBJ40CA

Mouser Part No
576-SMBJ40CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 40V 5% Bi-Directional

Learn More

Datasheet

16,827In Stock

Cut Tape

£0.173

£0.153

£0.086

£0.085

£0.084

Reel

£0.069

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1M OHM 10% MELF

SM105R1K
Littelfuse
1: £0.969
118In Stock

Mfr. Part No.
SM105R1K

Mouser Part No
576-SM105R1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1M OHM 10% MELF

Learn More

Datasheet

118In Stock

£0.969

£0.925

£0.863

£0.826

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENSOR

SM303J1K
Littelfuse
1: £0.969
349In Stock

Mfr. Part No.
SM303J1K

Mouser Part No
576-SM303J1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENSOR

Learn More

Datasheet

349In Stock

£0.969

£0.925

£0.863

£0.811

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 600W 100V 5% Uni-Directional

SMBJ100A
Littelfuse
1: £0.203
6,166In Stock

Mfr. Part No.
SMBJ100A

Mouser Part No
576-SMBJ100A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 100V 5% Uni-Directional

Learn More

Datasheet

6,166In Stock

Cut Tape

£0.203

£0.142

£0.087

Reel

£0.079

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 100V 5% Bi-Directional

SMBJ100CA
Littelfuse
1: £0.255
7,455In Stock

Mfr. Part No.
SMBJ100CA

Mouser Part No
576-SMBJ100CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 100V 5% Bi-Directional

Learn More

Datasheet

7,455In Stock

Cut Tape

£0.255

£0.176

£0.115

£0.109

Reel

£0.088

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 10V 5% Bi-Directional

SMBJ10CA
Littelfuse
1: £0.24
7,354In Stock
6,000Expected 20/04/2026

Mfr. Part No.
SMBJ10CA

Mouser Part No
576-SMBJ10CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 10V 5% Bi-Directional

Learn More

Datasheet

7,354In Stock

6,000Expected 20/04/2026

Cut Tape

£0.24

£0.173

£0.111

£0.106

£0.094

Reel

£0.069

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 110V 5% Uni-Directional

SMBJ110A
Littelfuse
1: £0.263
4,001In Stock

Mfr. Part No.
SMBJ110A

Mouser Part No
576-SMBJ110A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 110V 5% Uni-Directional

Learn More

Datasheet

4,001In Stock

Cut Tape

£0.263

£0.18

£0.087

Reel

£0.079

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 110V 5% Bi-Directional

SMBJ110CA
Littelfuse
1: £0.285
3,186In Stock

Mfr. Part No.
SMBJ110CA

Mouser Part No
576-SMBJ110CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 110V 5% Bi-Directional

Learn More

Datasheet

3,186In Stock

Cut Tape

£0.285

£0.194

£0.092

£0.09

£0.088

Reel

£0.072

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 11V 5% Uni-Directional

SMBJ11A
Littelfuse
1: £0.21
2,465In Stock
3,000Expected 01/04/2026

Mfr. Part No.
SMBJ11A

Mouser Part No
576-SMBJ11A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 11V 5% Uni-Directional

Learn More

Datasheet

2,465In Stock

3,000Expected 01/04/2026

Cut Tape

£0.21

£0.126

£0.079

Reel

£0.07

£0.061

£0.057

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 11V 5% Bi-Directional

SMBJ11CA
Littelfuse
1: £0.263
4,251In Stock

Mfr. Part No.
SMBJ11CA

Mouser Part No
576-SMBJ11CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 11V 5% Bi-Directional

Learn More

Datasheet

4,251In Stock

Cut Tape

£0.263

£0.153

£0.083

Reel

£0.069

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 120V 5% Uni-Directional

SMBJ120A
Littelfuse
1: £0.225
3,182In Stock

Mfr. Part No.
SMBJ120A

Mouser Part No
576-SMBJ120A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 120V 5% Uni-Directional

Learn More

Datasheet

3,182In Stock

Cut Tape

£0.225

£0.168

£0.089

£0.088

£0.086

Reel

£0.079

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 120V 5% Bi-Directional

SMBJ120CA
Littelfuse
1: £0.285
6,285In Stock

Mfr. Part No.
SMBJ120CA

Mouser Part No
576-SMBJ120CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 120V 5% Bi-Directional

Learn More

Datasheet

6,285In Stock

Cut Tape

£0.285

£0.221

£0.091

£0.089

Reel

£0.078

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 130V 5% Uni-Directional

SMBJ130A
Littelfuse
1: £0.278
5,413In Stock

Mfr. Part No.
SMBJ130A

Mouser Part No
576-SMBJ130A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 130V 5% Uni-Directional

Learn More

Datasheet

5,413In Stock

Cut Tape

£0.278

£0.217

£0.09

£0.088

Reel

£0.079

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 130V 5% Bi-Directional

SMBJ130CA
Littelfuse
1: £0.315
4,699In Stock
3,000Expected 23/02/2026

Mfr. Part No.
SMBJ130CA

Mouser Part No
576-SMBJ130CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 130V 5% Bi-Directional

Learn More

Datasheet

4,699In Stock

3,000Expected 23/02/2026

Cut Tape

£0.315

£0.231

£0.10

£0.094

£0.09

Reel

£0.072

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 13V 5% Uni-Directional

SMBJ13A
Littelfuse
1: £0.217
9,933In Stock

Mfr. Part No.
SMBJ13A

Mouser Part No
576-SMBJ13A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 13V 5% Uni-Directional

Learn More

Datasheet

9,933In Stock

Cut Tape

£0.217

£0.149

£0.099

£0.098

Reel

£0.066

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 13V 5% Bi-Directional

SMBJ13CA
Littelfuse
1: £0.255
9,369In Stock

Mfr. Part No.
SMBJ13CA

Mouser Part No
576-SMBJ13CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 13V 5% Bi-Directional

Learn More

Datasheet

9,369In Stock

Cut Tape

£0.255

£0.185

£0.104

£0.103

Reel

£0.075

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 14V 5% Uni-Directional

SMBJ14A
Littelfuse
1: £0.188
4,495In Stock
3,000Expected 29/04/2026

Mfr. Part No.
SMBJ14A

Mouser Part No
576-SMBJ14A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 14V 5% Uni-Directional

Learn More

Datasheet

4,495In Stock

3,000Expected 29/04/2026

Cut Tape

£0.188

£0.106

£0.083

Reel

£0.071

£0.065

£0.057

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 14V 5% Bi-Directional

SMBJ14CA
Littelfuse
1: £0.158
9,944In Stock

Mfr. Part No.
SMBJ14CA

Mouser Part No
576-SMBJ14CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 14V 5% Bi-Directional

Learn More

Datasheet

9,944In Stock

Cut Tape

£0.158

£0.117

£0.083

£0.079

£0.077

Reel

£0.069

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 150V 5% Uni-Directional

SMBJ150A
Littelfuse
1: £0.361
8,305In Stock

Mfr. Part No.
SMBJ150A

Mouser Part No
576-SMBJ150A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 150V 5% Uni-Directional

Learn More

Datasheet

8,305In Stock

Cut Tape

£0.361

£0.138

£0.122

£0.102

Reel

£0.085

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

High-Power Conversion

Types of Circuit Protection

Customer Service Office

Company

Resources

Support