.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 (8,016)

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 #

Varistors CHIP GUARD

CG0402MLC-24LGA
Bourns
1: £0.436
27,124In Stock

Mfr. Part No.
CG0402MLC-24LGA

Mouser Part No
652-CG0402MLC-24LGA

Bourns

Varistors CHIP GUARD

Learn More

Datasheet

27,124In Stock

Cut Tape

£0.436

£0.259

£0.16

£0.14

View

Reel

£0.074

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.1A/33V

MF-LSMF110X-2
Bourns
1: £0.308
18,490In Stock

Mfr. Part No.
MF-LSMF110X-2

Mouser Part No
652-MF-LSMF110X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.1A/33V

Learn More

Datasheet

18,490In Stock

Cut Tape

£0.308

£0.275

£0.244

£0.223

View

Reel

£0.151

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

Resettable Fuses - PPTC 30V 1.35A-HD 40A MAX

MF-R135-2
Bourns
1: £0.405
10,330In Stock

Mfr. Part No.
MF-R135-2

Mouser Part No
652-MF-R135-2

Bourns

Resettable Fuses - PPTC 30V 1.35A-HD 40A MAX

Learn More

Datasheet

10,330In Stock

Cut Tape

£0.405

£0.308

£0.289

£0.218

Reel

£0.162

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 16V 5A-HD 100A MAX

MF-RG500-2
Bourns
1: £0.586
6,324In Stock

Mfr. Part No.
MF-RG500-2

Mouser Part No
652-MF-RG500-2

Bourns

Resettable Fuses - PPTC 16V 5A-HD 100A MAX

Learn More

Datasheet

6,324In Stock

Cut Tape

£0.586

£0.443

£0.416

£0.359

Reel

£0.34

£0.307

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC PTC RESETTABLE 6A 16V RADIAL LEADED

MF-RG600-0
Bourns
1: £0.623
8,980In Stock

Mfr. Part No.
MF-RG600-0

Mouser Part No
652-MF-RG600-0

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 6A 16V RADIAL LEADED

Learn More

Datasheet

8,980In Stock

£0.623

£0.496

£0.457

£0.351

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 240V .25A-HD 3.5A MAX

MF-RM025/240-0
Bourns
1: £0.405
6,332In Stock

Mfr. Part No.
MF-RM025/240-0

Mouser Part No
652-MF-RM025/240-0

Bourns

Resettable Fuses - PPTC 240V .25A-HD 3.5A MAX

Learn More

Datasheet

6,332In Stock

£0.405

£0.376

£0.331

£0.31

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 250V 130MA-HD 3A MAX

MF-SD013/250-2
Bourns
1: £0.925
20,135In Stock

Mfr. Part No.
MF-SD013/250-2

Mouser Part No
652-MF-SD013/250-2

Bourns

Resettable Fuses - PPTC 250V 130MA-HD 3A MAX

Learn More

Datasheet

20,135In Stock

Cut Tape

£0.925

£0.826

£0.73

£0.533

View

Reel

£0.357

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Varistors PV 75V 10%

PV75K4032R2
Bourns
1: £0.623
5,859In Stock

Mfr. Part No.
PV75K4032R2

Mouser Part No
652-PV75K4032R2

Bourns

Varistors PV 75V 10%

Learn More

Datasheet

5,859In Stock

Cut Tape

£0.623

£0.398

£0.349

£0.326

Reel

£0.305

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 7200volts 1pF BENT LEADS

SA2-7200-DBB-STD
Bourns
1: £2.58
1,305In Stock

Mfr. Part No.
SA2-7200-DBB-STD

Mouser Part No
652-SA2-7200-DBBSTD

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 7200volts 1pF BENT LEADS

Datasheet

1,305In Stock

Cut Tape

£2.58

£2.38

£1.98

£1.82

Reel

£1.32

View

Min.: 1
Mult.: 1

: 1,000

Surface Mount Fuses 3.15A 32V FAST ACTING

SF-0603FP315-2
Bourns
1: £0.54
19,479In Stock

Mfr. Part No.
SF-0603FP315-2

Mouser Part No
652-SF-0603FP315-2

Bourns

Surface Mount Fuses 3.15A 32V FAST ACTING

Learn More

Datasheet

19,479In Stock

Cut Tape

£0.54

£0.43

£0.362

£0.319

View

Reel

£0.201

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 0603 time-lag met-foil. 4A Auto

SF-0603SPA400R-2
Bourns
1: £0.796
7,230In Stock

Mfr. Part No.
SF-0603SPA400R-2

Mouser Part No
652-SF-0603SPA400R-2

Bourns

Surface Mount Fuses 0603 time-lag met-foil. 4A Auto

Learn More

Datasheet

7,230In Stock

Cut Tape

£0.796

£0.636

£0.534

£0.464

View

Reel

£0.343

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 0.8A Fast Acting 1206 SinglFuse

SF-1206F080-2
Bourns
1: £0.39
15,869In Stock

Mfr. Part No.
SF-1206F080-2

Mouser Part No
652-SF-1206F080-2

Bourns

Surface Mount Fuses 0.8A Fast Acting 1206 SinglFuse

Learn More

Datasheet

15,869In Stock

Cut Tape

£0.39

£0.34

£0.287

£0.265

View

Reel

£0.168

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 4A Fast Acting 1206 SinglFuse

SF-1206F400-2
Bourns
1: £0.33
17,518In Stock

Mfr. Part No.
SF-1206F400-2

Mouser Part No
652-SF-1206F400-2

Bourns

Surface Mount Fuses 4A Fast Acting 1206 SinglFuse

Learn More

Datasheet

17,518In Stock

Cut Tape

£0.33

£0.309

£0.27

£0.256

View

Reel

£0.188

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses .8A 63V FAST ACTING

SF-1206FP080-2
Bourns
1: £0.511
17,401In Stock

Mfr. Part No.
SF-1206FP080-2

Mouser Part No
652-SF-1206FP080-2

Bourns

Surface Mount Fuses .8A 63V FAST ACTING

Learn More

Datasheet

17,401In Stock

Cut Tape

£0.511

£0.406

£0.342

£0.30

View

Reel

£0.189

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Thyristor Surge Protection Devices - TSPD PROTECTOR - SINGLE BIDIRECTIONAL

TISP4070J3BJR-S
Bourns
1: £1.42
8,480In Stock

Mfr. Part No.
TISP4070J3BJR-S

Mouser Part No
652-TISP4070J3BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD PROTECTOR - SINGLE BIDIRECTIONAL

Learn More

Datasheet

8,480In Stock

Cut Tape

£1.42

£0.908

£0.608

£0.443

£0.405

Reel

£0.396

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT35 Design Kit

DK-GDT35-01
Bourns
1: £23.35
43In Stock

Mfr. Part No.
DK-GDT35-01

Mouser Part No
652-DK-GDT35-01

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT35 Design Kit

Learn More

Datasheet

43In Stock

£23.35

£21.38

£20.39

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Sparkover100V/s 350V 3 Pole

2026-35-C2LF
Bourns
1: £1.62
1,859In Stock

Mfr. Part No.
2026-35-C2LF

Mouser Part No
652-2026-35-C2LF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Sparkover100V/s 350V 3 Pole

Learn More

Datasheet

1,859In Stock

£1.62

£1.37

£1.21

£1.13

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE MINI 3POLE 90VOLT

2036-09-SMLF
Bourns
1: £1.40
1,685In Stock

Mfr. Part No.
2036-09-SMLF

Mouser Part No
652-2036-09-SMLF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE MINI 3POLE 90VOLT

Datasheet

1,685In Stock

£1.40

£1.27

£1.06

£0.978

View

Min.: 1
Mult.: 1

Varistors IsoMOV 3KA 175Vrms Bulk In-Line

IsoM3-175-B-L2
Bourns
1: £1.07
2,928In Stock

Mfr. Part No.
IsoM3-175-B-L2

Mouser Part No
652-ISOM3-175-B-L2

Bourns

Varistors IsoMOV 3KA 175Vrms Bulk In-Line

Learn More

Datasheet

2,928In Stock

£1.07

£0.773

£0.698

£0.601

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 6.0A/12V

MF-LSMF600/12X-2
Bourns
1: £0.811
5,940In Stock

Mfr. Part No.
MF-LSMF600/12X-2

Mouser Part No
652-MF-LSMF600/12X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 6.0A/12V

Learn More

Datasheet

5,940In Stock

Cut Tape

£0.811

£0.642

£0.555

£0.52

View

Reel

£0.332

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 30V 750MA-HD 40A MAX

MF-MSHT075KX-2
Bourns
1: £0.548
15,617In Stock

Mfr. Part No.
MF-MSHT075KX-2

Mouser Part No
652-MF-MSHT075KX-2

Bourns

Resettable Fuses - PPTC 30V 750MA-HD 40A MAX

Learn More

Datasheet

15,617In Stock

Cut Tape

£0.548

£0.45

£0.404

£0.269

Reel

£0.216

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC PTC RESETTABLE 0.17A 60V RADIAL LEADED

MF-R017-2
Bourns
1: £0.346
10,744In Stock

Mfr. Part No.
MF-R017-2

Mouser Part No
652-MF-R017-2

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 0.17A 60V RADIAL LEADED

Learn More

Datasheet

10,744In Stock

Cut Tape

£0.346

£0.259

£0.243

£0.183

Reel

£0.134

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC PTC 7.5A 16V RADIAL LEADED HI-TEMP

MF-RHT750-0
Bourns
1: £0.943
7,284In Stock

Mfr. Part No.
MF-RHT750-0

Mouser Part No
652-MF-RHT750-0

Bourns

Resettable Fuses - PPTC PTC 7.5A 16V RADIAL LEADED HI-TEMP

Learn More

Datasheet

7,284In Stock

£0.943

£0.826

£0.616

£0.603

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 240V .33A-HD 4.5A MAX

MF-RM033/240-2
Bourns
1: £0.518
13,455In Stock

Mfr. Part No.
MF-RM033/240-2

Mouser Part No
652-MF-RM033/240-2

Bourns

Resettable Fuses - PPTC 240V .33A-HD 4.5A MAX

Learn More

Datasheet

13,455In Stock

Cut Tape

£0.518

£0.471

£0.392

£0.362

View

Reel

£0.234

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 60V .145A-HD 3A MAX

MF-RX014/250-0
Bourns
1: £0.548
10,511In Stock

Mfr. Part No.
MF-RX014/250-0

Mouser Part No
652-MF-RX014/250-0

Bourns

Resettable Fuses - PPTC 60V .145A-HD 3A MAX

Learn More

Datasheet

10,511In Stock

£0.548

£0.419

£0.393

£0.297

View

Min.: 1
Mult.: 1

Circuit Protection Devices

All Results (8,016)

Customer Service Office

Company

Resources

Support

Circuit Protection Devices

All Results (8,016)

Circuit Protection

Industrial Automation

Semiconductors

Thermal Management