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

Circuit Protection Devices

Bourns manufactures and supplies a wide range of circuit protection technologies, including fuses, PTC thermistors, varistors, GDTs, resettable thermal cut-offs, surge protection devices, hybrid protectors, discrete semiconductor solutions, and more. Reliable surge protection is a critical design consideration to help ensure operational reliability of consumer electronics, industrial/communication equipment, automotive, battery charging, energy storage infrastructure, and renewable energy harvesting ecosystems.

All Results (8,106)

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; }

Select a category below to see filtering options and narrow down your search.

Part #

Resettable Fuses - PPTC PTC RESETTABLE 6.0A 10V AXIAL STRAP

MF-LR600
Bourns
1: $1.11
3,776In Stock

Mfr. Part No.
MF-LR600

Mouser Part No
652-MF-LR600

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 6.0A 10V AXIAL STRAP

Learn More

Datasheet

3,776In Stock

$1.11

$0.827

$0.626

$0.607

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 12V 1.1A-HD 50A 0805

MF-PSML110/12-2
Bourns
1: $1.11
8,272In Stock

Mfr. Part No.
MF-PSML110/12-2

Mouser Part No
652-MF-PSML110/12-2

Bourns

Resettable Fuses - PPTC 12V 1.1A-HD 50A 0805

Learn More

Datasheet

8,272In Stock

Cut Tape

$1.11

$1.03

$0.848

$0.783

View

Reel

$0.493

Min.: 1
Mult.: 1

Reel: 4,500

Resettable Fuses - PPTC 6V 3.0A-HD 50A SMD

MF-PSML300/6-2
Bourns
1: $1.16
2,931In Stock

Mfr. Part No.
MF-PSML300/6-2

Mouser Part No
652-MF-PSML300/6-2

Bourns

Resettable Fuses - PPTC 6V 3.0A-HD 50A SMD

Learn More

Datasheet

2,931In Stock

Cut Tape

$1.16

$1.08

$0.889

$0.82

View

Reel

$0.572

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Varistors 500pF 100volts 10%

MOV-10D101KTR
Bourns
1: $0.21
69,805In Stock

Mfr. Part No.
MOV-10D101KTR

Mouser Part No
652-MOV-10D101KTR

Bourns

Varistors 500pF 100volts 10%

Learn More

Datasheet

69,805In Stock

Cut Tape

$0.21

$0.141

$0.121

$0.111

Reel

$0.099

View

Min.: 1
Mult.: 1

Reel: 1,000

Varistors 18volts 20mm

MOV-20D180KTR
Bourns
1: $0.67
5,710In Stock

Mfr. Part No.
MOV-20D180KTR

Mouser Part No
652-MOV-20D180KTR

Bourns

Varistors 18volts 20mm

Learn More

Datasheet

5,710In Stock

Cut Tape

$0.67

$0.419

$0.378

Reel

$0.353

$0.349

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

ESD Protection Diodes / TVS Diodes 10V 400W BiDir

P4SMA10CA
Bourns
1: $0.10
23,206In Stock

Mfr. Part No.
P4SMA10CA

Mouser Part No
652-P4SMA10CA

Bourns

ESD Protection Diodes / TVS Diodes 10V 400W BiDir

Learn More

Datasheet

23,206In Stock

Cut Tape

$0.10

$0.09

Reel

$0.087

$0.085

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 12V 400W UniDir

P4SMA12A
Bourns
1: $0.32
17,317In Stock

Mfr. Part No.
P4SMA12A

Mouser Part No
652-P4SMA12A

Bourns

ESD Protection Diodes / TVS Diodes 12V 400W UniDir

Learn More

Datasheet

17,317In Stock

Cut Tape

$0.32

$0.089

$0.082

Reel

$0.075

$0.072

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes DIO TVS VBR 30V 400W BIIDIR SMA AECQ

P4SMA30CA-Q
Bourns
1: $0.44
20,263In Stock

Mfr. Part No.
P4SMA30CA-Q

Mouser Part No
652-P4SMA30CA-Q

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VBR 30V 400W BIIDIR SMA AECQ

Learn More

Datasheet

20,263In Stock

Cut Tape

$0.44

$0.274

$0.201

$0.157

Reel

$0.12

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400V 400W UniDir

P4SMA400A
Bourns
1: $0.45
13,438In Stock

Mfr. Part No.
P4SMA400A

Mouser Part No
652-P4SMA400A

Bourns

ESD Protection Diodes / TVS Diodes 400V 400W UniDir

Learn More

Datasheet

13,438In Stock

Cut Tape

$0.45

$0.322

$0.20

$0.168

Reel

$0.101

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400V 600W UniDir

P6SMB400A
Bourns
1: $0.36
14,656In Stock

Mfr. Part No.
P6SMB400A

Mouser Part No
652-P6SMB400A

Bourns

ESD Protection Diodes / TVS Diodes 400V 600W UniDir

Learn More

Datasheet

14,656In Stock

Cut Tape

$0.36

$0.292

$0.223

$0.178

Reel

$0.158

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes DIO TVS VBR 43V 600W UNIDIR SMB AECQ

P6SMB43A-Q
Bourns
1: $0.49
13,701In Stock

Mfr. Part No.
P6SMB43A-Q

Mouser Part No
652-P6SMB43A-Q

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VBR 43V 600W UNIDIR SMB AECQ

Learn More

Datasheet

13,701In Stock

Cut Tape

$0.49

$0.326

$0.221

$0.172

$0.135

Reel

$0.11

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 91V 600W UniDir

P6SMB91A
Bourns
1: $0.36
16,818In Stock

Mfr. Part No.
P6SMB91A

Mouser Part No
652-P6SMB91A

Bourns

ESD Protection Diodes / TVS Diodes 91V 600W UniDir

Learn More

Datasheet

16,818In Stock

Cut Tape

$0.36

$0.249

$0.168

$0.131

$0.098

Reel

$0.077

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Surface Mount Fuses 4A Slow Blow 0402 SinglFuse

SF-0402S400M-2
Bourns
1: $0.74
11,398In Stock

Mfr. Part No.
SF-0402S400M-2

Mouser Part No
652-SF-0402S400M-2

Bourns

Surface Mount Fuses 4A Slow Blow 0402 SinglFuse

Learn More

Datasheet

11,398In Stock

Cut Tape

$0.74

$0.62

$0.522

$0.434

View

Reel

$0.272

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Surface Mount Fuses 3A High-inrush 0603 SinglFuse

SF-0603HI300F-2
Bourns
1: $0.74
5,243In Stock

Mfr. Part No.
SF-0603HI300F-2

Mouser Part No
652-SF-0603HI300F-2

Bourns

Surface Mount Fuses 3A High-inrush 0603 SinglFuse

Learn More

Datasheet

5,243In Stock

Cut Tape

$0.74

$0.62

$0.522

$0.434

View

Reel

$0.272

MouseReel Available

Min.: 1
Mult.: 1

Reel: 8,000

Surface Mount Fuses 0603 High-Inrush Multilayer 1.5A Auto

SF-0603HIA150M-2
Bourns
1: $0.92
13,238In Stock

Mfr. Part No.
SF-0603HIA150M-2

Mouser Part No
652-SF-0603HIA150M-2

Bourns

Surface Mount Fuses 0603 High-Inrush Multilayer 1.5A Auto

Learn More

Datasheet

13,238In Stock

Cut Tape

$0.92

$0.725

$0.60

$0.534

View

Reel

$0.336

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Surface Mount Fuses 2.5A 32V TIME DELAY

SF-0603SP250M-2
Bourns
1: $0.57
8,297In Stock

Mfr. Part No.
SF-0603SP250M-2

Mouser Part No
652-SF-0603SP250M-2

Bourns

Surface Mount Fuses 2.5A 32V TIME DELAY

Learn More

Datasheet

8,297In Stock

Cut Tape

$0.57

$0.476

$0.414

$0.386

View

Reel

$0.271

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Surface Mount Fuses 15A Single blow fuse 1206 SinglFuse

SF-1206HV15M-2
Bourns
1: $0.66
21,905In Stock

Mfr. Part No.
SF-1206HV15M-2

Mouser Part No
652-SF-1206HV15M-2

Bourns

Surface Mount Fuses 15A Single blow fuse 1206 SinglFuse

Learn More

Datasheet

21,905In Stock

Cut Tape

$0.66

$0.605

$0.502

$0.463

View

Reel

$0.266

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Surface Mount Fuses 8A Slow Blow 1206 SinglFuse

SF-1206S800M-2
Bourns
1: $0.68
8,493In Stock

Mfr. Part No.
SF-1206S800M-2

Mouser Part No
652-SF-1206S800M-2

Bourns

Surface Mount Fuses 8A Slow Blow 1206 SinglFuse

Learn More

Datasheet

8,493In Stock

Cut Tape

$0.68

$0.573

$0.482

$0.40

Reel

$0.266

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Surface Mount Fuses 8.0A Slow Blow 1206 SinglFuse

SF-1206S800W-2
Bourns
1: $0.95
8,120In Stock

Mfr. Part No.
SF-1206S800W-2

Mouser Part No
652-SF-1206S800W-2

Bourns

Surface Mount Fuses 8.0A Slow Blow 1206 SinglFuse

Learn More

Datasheet

8,120In Stock

Cut Tape

$0.95

$0.754

$0.624

$0.555

Reel

$0.347

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,500

Surface Mount Fuses 1A 65V TIME DELAY

SF-1206SA100M-2
Bourns
1: $0.88
13,289In Stock

Mfr. Part No.
SF-1206SA100M-2

Mouser Part No
652-SF-1206SA100M-2

Bourns

Surface Mount Fuses 1A 65V TIME DELAY

Learn More

Datasheet

13,289In Stock

Cut Tape

$0.88

$0.763

$0.643

$0.534

Reel

$0.362

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Surface Mount Fuses 5A 125V FAST ACTING

SF-2410FPA500W-2
Bourns
1: $0.99
8,375In Stock

Mfr. Part No.
SF-2410FPA500W-2

Mouser Part No
652-SF-2410FPA500W-2

Bourns

Surface Mount Fuses 5A 125V FAST ACTING

Learn More

Datasheet

8,375In Stock

Cut Tape

$0.99

$0.783

$0.648

$0.576

Reel

$0.372

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Surface Mount Fuses 8A 125V FAST ACTING

SF-2410FPA800W-2
Bourns
1: $0.99
7,894In Stock

Mfr. Part No.
SF-2410FPA800W-2

Mouser Part No
652-SF-2410FPA800W-2

Bourns

Surface Mount Fuses 8A 125V FAST ACTING

Learn More

Datasheet

7,894In Stock

Cut Tape

$0.99

$0.783

$0.648

$0.576

Reel

$0.372

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Surface Mount Fuses 1.5A 250V SinglFuse Time Lag & Low Power

SF-3812TL150T-2
Bourns
1: $1.36
2,618In Stock

Mfr. Part No.
SF-3812TL150T-2

Mouser Part No
652-SF-3812TL150T-2

Bourns

Surface Mount Fuses 1.5A 250V SinglFuse Time Lag & Low Power

Learn More

Datasheet

2,618In Stock

Cut Tape

$1.36

$1.26

$1.11

$1.04

Reel

$0.805

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Surface Mount Fuses 2A 250V SinglFuse Time Lag & Low Power

SF-3812TL200T-2
Bourns
1: $1.48
9,117In Stock

Mfr. Part No.
SF-3812TL200T-2

Mouser Part No
652-SF-3812TL200T-2

Bourns

Surface Mount Fuses 2A 250V SinglFuse Time Lag & Low Power

Learn More

Datasheet

9,117In Stock

Cut Tape

$1.48

$1.33

$1.15

$1.06

View

Reel

$0.82

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

ESD Protection Diodes / TVS Diodes SMA6J - CA 45V

SMA6J45CA
Bourns
1: $0.85
8,954In Stock

Mfr. Part No.
SMA6J45CA

Mouser Part No
652-SMA6J45CA

Bourns

ESD Protection Diodes / TVS Diodes SMA6J - CA 45V

Learn More

Datasheet

8,954In Stock

Cut Tape

$0.85

$0.525

$0.34

$0.261

Reel

$0.165

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Circuit Protection Devices

All Results (8,106)

Customer Service Office

Company

Resources

Support

Circuit Protection Devices

All Results (8,106)

Circuit Protection

Industrial Automation

Semiconductors

Thermal Management