.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 (8,097)

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 #

ESD Protection Diodes / TVS Diodes DIO TVS VRWM 33V 1500W UNIDIR SMB 7" REEL

1.5SMBJ33A-H
Bourns
1: $0.904
6,620In Stock

Mfr. Part No.
1.5SMBJ33A-H

Mouser Part No
652-1.5SMBJ33A-H

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VRWM 33V 1500W UNIDIR SMB 7" REEL

Learn More

Datasheet

6,620In Stock

Cut Tape

$0.904

$0.755

$0.518

Reel

$0.404

$0.314

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 250V 1500W UniDir

1.5SMC250A
Bourns
1: $0.389
10,339In Stock

Mfr. Part No.
1.5SMC250A

Mouser Part No
652-1.5SMC250A

Bourns

ESD Protection Diodes / TVS Diodes 250V 1500W UniDir

Learn More

Datasheet

10,339In Stock

Cut Tape

$0.389

$0.386

Reel

$0.371

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 36V 1500W UniDir

1.5SMC36A
Bourns
1: $0.598
17,478In Stock

Mfr. Part No.
1.5SMC36A

Mouser Part No
652-1.5SMC36A

Bourns

ESD Protection Diodes / TVS Diodes 36V 1500W UniDir

Learn More

Datasheet

17,478In Stock

Cut Tape

$0.598

$0.299

$0.271

$0.264

Reel

$0.232

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 510V 1500W UniDir

1.5SMC510A
Bourns
1: $1.21
8,472In Stock

Mfr. Part No.
1.5SMC510A

Mouser Part No
652-1.5SMC510A

Bourns

ESD Protection Diodes / TVS Diodes 510V 1500W UniDir

Learn More

Datasheet

8,472In Stock

Cut Tape

$1.21

$0.933

$0.407

Reel

$0.406

$0.391

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 15KP - CA 16V

15KPA016C-SD-Q
Bourns
1: $6.48
2,340In Stock

Mfr. Part No.
15KPA016C-SD-Q

Mouser Part No
652-15KPA016C-SD-Q

Bourns

ESD Protection Diodes / TVS Diodes 15KP - CA 16V

Learn More

Datasheet

2,340In Stock

Cut Tape

$6.48

$4.59

$3.63

$2.96

Reel

$2.95

Min.: 1
Mult.: 1

Reel: 750

ESD Protection Diodes / TVS Diodes TVS Diode Array 24VOLT

CDNBS08-T24
Bourns
1: $4.03
8,295In Stock

Mfr. Part No.
CDNBS08-T24

Mouser Part No
652-CDNBS08-T24

Bourns

ESD Protection Diodes / TVS Diodes TVS Diode Array 24VOLT

Learn More

Datasheet

8,295In Stock

Cut Tape

$4.03

$2.61

$1.92

$1.63

Reel

$1.31

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Resettable Fuses - PPTC 6V 500MA-HD 50A MAX

MF-ASML050/6-2
Bourns
1: $0.681
22,541In Stock

Mfr. Part No.
MF-ASML050/6-2

Mouser Part No
652-MF-ASML050/6-2

Bourns

Resettable Fuses - PPTC 6V 500MA-HD 50A MAX

Learn More

Datasheet

22,541In Stock

Cut Tape

$0.681

$0.516

$0.484

$0.366

View

Reel

$0.249

Min.: 1
Mult.: 1

Reel: 10,000

Resettable Fuses - PPTC 6V 2.6A-HD 50A SMD

MF-NSML260/6-2
Bourns
1: $1.14
5,437In Stock

Mfr. Part No.
MF-NSML260/6-2

Mouser Part No
652-MF-NSML260/6-2

Bourns

Resettable Fuses - PPTC 6V 2.6A-HD 50A SMD

Learn More

Datasheet

5,437In Stock

Cut Tape

$1.14

$1.04

$0.86

$0.798

View

Reel

$0.50

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

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

MF-NSML300/6-2
Bourns
1: $1.14
6,150In Stock

Mfr. Part No.
MF-NSML300/6-2

Mouser Part No
652-MF-NSML300/6-2

Bourns

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

Learn More

Datasheet

6,150In Stock

Cut Tape

$1.14

$1.04

$0.86

$0.798

Reel

$0.562

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,500

Resettable Fuses - PPTC 12V 2.0A-HD 50A 1210

MF-USML200/12-2
Bourns
1: $0.945
5,171In Stock

Mfr. Part No.
MF-USML200/12-2

Mouser Part No
652-MF-USML200/12-2

Bourns

Resettable Fuses - PPTC 12V 2.0A-HD 50A 1210

Learn More

Datasheet

5,171In Stock

Cut Tape

$0.945

$0.834

$0.794

$0.758

View

Reel

$0.487

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Resettable Fuses - PPTC 6V 7.0A-HD 20A PTC

MF-USML700/6-2
Bourns
1: $0.723
6,295In Stock

Mfr. Part No.
MF-USML700/6-2

Mouser Part No
652-MF-USML700/6-2

Bourns

Resettable Fuses - PPTC 6V 7.0A-HD 20A PTC

Learn More

Datasheet

6,295In Stock

Cut Tape

$0.723

$0.68

$0.617

$0.598

View

Reel

$0.45

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,500

Varistors 1100volts 20mm

MOV-20D112K
Bourns
1: $1.65
3,571In Stock

Mfr. Part No.
MOV-20D112K

Mouser Part No
652-MOV-20D112K

Bourns

Varistors 1100volts 20mm

Learn More

Datasheet

3,571In Stock

$1.65

$1.20

$1.08

$0.912

View

Min.: 1
Mult.: 1

Varistors 390volts 20mm

MOV-20D391KTR
Bourns
1: $1.06
5,017In Stock

Mfr. Part No.
MOV-20D391KTR

Mouser Part No
652-MOV-20D391KTR

Bourns

Varistors 390volts 20mm

Learn More

Datasheet

5,017In Stock

Cut Tape

$1.06

$0.676

$0.592

Reel

$0.443

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

Varistors 750volts 20mm

MOV-20D751K
Bourns
1: $2.88
5,701In Stock

Mfr. Part No.
MOV-20D751K

Mouser Part No
652-MOV-20D751K

Bourns

Varistors 750volts 20mm

Learn More

Datasheet

5,701In Stock

$2.88

$1.78

$1.22

$1.14

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 440V 400W UniDir

P4SMA440A
Bourns
1: $0.626
13,129In Stock

Mfr. Part No.
P4SMA440A

Mouser Part No
652-P4SMA440A

Bourns

ESD Protection Diodes / TVS Diodes 440V 400W UniDir

Learn More

Datasheet

13,129In Stock

Cut Tape

$0.626

$0.492

$0.295

$0.259

Reel

$0.17

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 540V 400W BiDir

P4SMA540CA
Bourns
1: $0.834
9,309In Stock

Mfr. Part No.
P4SMA540CA

Mouser Part No
652-P4SMA540CA

Bourns

ESD Protection Diodes / TVS Diodes 540V 400W BiDir

Learn More

Datasheet

9,309In Stock

Cut Tape

$0.834

$0.619

$0.423

$0.334

Reel

$0.239

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 120V 600W BiDir

P6SMB120CA
Bourns
1: $0.209
14,980In Stock

Mfr. Part No.
P6SMB120CA

Mouser Part No
652-P6SMB120CA

Bourns

ESD Protection Diodes / TVS Diodes 120V 600W BiDir

Learn More

Datasheet

14,980In Stock

Cut Tape

$0.209

$0.182

$0.168

$0.167

Reel

$0.154

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 150V 600W BiDir

P6SMB150CA
Bourns
1: $0.792
12,876In Stock

Mfr. Part No.
P6SMB150CA

Mouser Part No
652-P6SMB150CA

Bourns

ESD Protection Diodes / TVS Diodes 150V 600W BiDir

Learn More

Datasheet

12,876In Stock

Cut Tape

$0.792

$0.578

$0.395

$0.22

Reel

$0.218

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 550V 600W BiDir

P6SMB550CA
Bourns
1: $0.987
20,520In Stock

Mfr. Part No.
P6SMB550CA

Mouser Part No
652-P6SMB550CA

Bourns

ESD Protection Diodes / TVS Diodes 550V 600W BiDir

Learn More

Datasheet

20,520In Stock

Cut Tape

$0.987

$0.678

$0.452

$0.352

Reel

$0.24

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 10kA 320V PTVS Diode Bidirectional

PTVS10-320C-TH
Bourns
1: $151.32
27In Stock

Mfr. Part No.
PTVS10-320C-TH

Mouser Part No
652-PTVS10-320C-TH

Bourns

ESD Protection Diodes / TVS Diodes 10kA 320V PTVS Diode Bidirectional

Learn More

Datasheet

27In Stock

$151.32

$129.42

Min.: 1
Mult.: 1

Surface Mount Fuses .2A Fast Act Prec 0603 SinglFuse

SF-0603FP020F-2
Bourns
1: $0.987
16,746In Stock

Mfr. Part No.
SF-0603FP020F-2

Mouser Part No
652-SF-0603FP020F-2

Bourns

Surface Mount Fuses .2A Fast Act Prec 0603 SinglFuse

Learn More

Datasheet

16,746In Stock

Cut Tape

$0.987

$0.838

$0.706

$0.587

View

Reel

$0.374

MouseReel Available

Min.: 1
Mult.: 1

Reel: 8,000

Surface Mount Fuses 2.5A Fast Act Prec 0603 SinglFuse

SF-0603FP250F-2
Bourns
1: $0.987
19,753In Stock

Mfr. Part No.
SF-0603FP250F-2

Mouser Part No
652-SF-0603FP250F-2

Bourns

Surface Mount Fuses 2.5A Fast Act Prec 0603 SinglFuse

Learn More

Datasheet

19,753In Stock

Cut Tape

$0.987

$0.838

$0.706

$0.587

View

Reel

$0.378

MouseReel Available

Min.: 1
Mult.: 1

Reel: 8,000

Surface Mount Fuses 3.5A 32V FAST ACTING

SF-0603FP350M-2
Bourns
1: $1.03
18,843In Stock

Mfr. Part No.
SF-0603FP350M-2

Mouser Part No
652-SF-0603FP350M-2

Bourns

Surface Mount Fuses 3.5A 32V FAST ACTING

Learn More

Datasheet

18,843In Stock

Cut Tape

$1.03

$0.862

$0.726

$0.603

View

Reel

$0.378

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

Surface Mount Fuses 1A High-inrush 0603 SinglFuse

SF-0603HI100F-2
Bourns
1: $1.03
15,570In Stock

Mfr. Part No.
SF-0603HI100F-2

Mouser Part No
652-SF-0603HI100F-2

Bourns

Surface Mount Fuses 1A High-inrush 0603 SinglFuse

Learn More

Datasheet

15,570In Stock

Cut Tape

$1.03

$0.862

$0.726

$0.603

View

Reel

$0.391

MouseReel Available

Min.: 1
Mult.: 1

Reel: 8,000

Surface Mount Fuses 5A 32V TIME DELAY

SF-0603HI500M-2
Bourns
1: $1.04
6,794In Stock

Mfr. Part No.
SF-0603HI500M-2

Mouser Part No
652-SF-0603HI500M-2

Bourns

Surface Mount Fuses 5A 32V TIME DELAY

Learn More

Datasheet

6,794In Stock

Cut Tape

$1.04

$0.884

$0.745

$0.619

View

Reel

$0.381

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Circuit Protection Devices

All Results (8,097)

Customer Service Office

Company

Resources

Support

Circuit Protection Devices

All Results (8,097)

Circuit Protection

Industrial Automation

Semiconductors

Thermal Management