.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 #

Board Mount Surge Protectors Dual Bi-directional TBU Device

TBU-RS085-300-WH
Bourns
1: £1.87
10,899In Stock

Mfr. Part No.
TBU-RS085-300-WH

Mouser Part No
652-TBU-RS085-300-WH

Bourns

Board Mount Surge Protectors Dual Bi-directional TBU Device

Learn More

Datasheet

10,899In Stock

Cut Tape

£1.87

£1.69

£1.57

£1.55

Reel

£1.46

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Board Mount Surge Protectors I- (TRIGGER)50MA 250V(I

TBU-CA025-050-WH-Q
Bourns
1: £1.61
12,795In Stock

Mfr. Part No.
TBU-CA025-050-WH-Q

Mouser Part No
652-TBUCA025-050-WHQ

Bourns

Board Mount Surge Protectors I- (TRIGGER)50MA 250V(I

Learn More

Datasheet

12,795In Stock

Cut Tape

£1.61

£1.37

£1.07

£0.882

Reel

£0.678

View

Min.: 1
Mult.: 1

Reel: 3,000

SCRs Dual P Gate Forward Conducting

TISP61089BDR-S
Bourns
1: £1.48
10,896In Stock

Mfr. Part No.
TISP61089BDR-S

Mouser Part No
652-TISP61089BDR-S

Bourns

SCRs Dual P Gate Forward Conducting

Learn More

Datasheet

10,896In Stock

Cut Tape

£1.48

£0.803

£0.628

£0.508

£0.476

Reel

£0.449

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Specialty Fuses POWrFuse BD 800Vac 800Vdc 100A

PF-FB1-100
Bourns
1: £52.99
95In Stock Restricted Availability

Mfr. Part No.
PF-FB1-100

Mouser Part No
652-PF-FB1-100

Bourns

Specialty Fuses POWrFuse BD 800Vac 800Vdc 100A

Learn More

Datasheet

95In Stock

£52.99

£47.82

Min.: 1
Mult.: 1

Restricted Availability

Specialty Fuses POWrFuse BD 800Vac 800Vdc 350A

PF-FB2-350
Bourns
1: £91.63
47In Stock Restricted Availability

Mfr. Part No.
PF-FB2-350

Mouser Part No
652-PF-FB2-350

Bourns

Specialty Fuses POWrFuse BD 800Vac 800Vdc 350A

Learn More

Datasheet

47In Stock

£91.63

£89.80

Min.: 1
Mult.: 1

Restricted Availability

Specialty Fuses POWrFuse TH 600Vac 600Vdc 25A

PF-HT1-25
Bourns
1: £13.55
255In Stock Restricted Availability

Mfr. Part No.
PF-HT1-25

Mouser Part No
652-PF-HT1-25

Bourns

Specialty Fuses POWrFuse TH 600Vac 600Vdc 25A

Learn More

Datasheet

255In Stock

£13.55

£12.95

£12.68

Min.: 1
Mult.: 1

Restricted Availability

Specialty Fuses POWrFuse TH 500Vac 125Vdc 50A

PF-JT3-50
Bourns
1: £13.71
454In Stock Restricted Availability

Mfr. Part No.
PF-JT3-50

Mouser Part No
652-PF-JT3-50

Bourns

Specialty Fuses POWrFuse TH 500Vac 125Vdc 50A

Learn More

Datasheet

454In Stock

£13.71

£9.76

Min.: 1
Mult.: 1

Restricted Availability

ESD Protection Diodes / TVS Diodes 150V 1500W UniDir

1.5SMC150A
Bourns
1: £0.443
10,883In Stock

Mfr. Part No.
1.5SMC150A

Mouser Part No
652-1.5SMC150A

Bourns

ESD Protection Diodes / TVS Diodes 150V 1500W UniDir

Learn More

Datasheet

10,883In Stock

Cut Tape

£0.443

£0.382

£0.262

£0.207

Reel

£0.175

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 18V 1500W BiDir

1.5SMC18CA
Bourns
1: £0.496
21,270In Stock

Mfr. Part No.
1.5SMC18CA

Mouser Part No
652-1.5SMC18CA

Bourns

ESD Protection Diodes / TVS Diodes 18V 1500W BiDir

Learn More

Datasheet

21,270In Stock

Cut Tape

£0.496

£0.206

£0.148

Reel

£0.142

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 200V 1500W BiDir

1.5SMC200CA
Bourns
1: £0.398
13,290In Stock

Mfr. Part No.
1.5SMC200CA

Mouser Part No
652-1.5SMC200CA

Bourns

ESD Protection Diodes / TVS Diodes 200V 1500W BiDir

Learn More

Datasheet

13,290In Stock

Cut Tape

£0.398

£0.353

£0.279

£0.251

Reel

£0.244

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 24V 1500W BiDir

1.5SMC24CA
Bourns
1: £0.48
8,758In Stock

Mfr. Part No.
1.5SMC24CA

Mouser Part No
652-1.5SMC24CA

Bourns

ESD Protection Diodes / TVS Diodes 24V 1500W BiDir

Learn More

Datasheet

8,758In Stock

Cut Tape

£0.48

£0.207

£0.153

£0.148

Reel

£0.142

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 540V 1500W UniDir

1.5SMC540A
Bourns
1: £0.225
10,180In Stock

Mfr. Part No.
1.5SMC540A

Mouser Part No
652-1.5SMC540A

Bourns

ESD Protection Diodes / TVS Diodes 540V 1500W UniDir

Learn More

Datasheet

10,180In Stock

Cut Tape

£0.225

£0.22

Reel

£0.22

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 56V 1500W UniDir

1.5SMC56A
Bourns
1: £0.436
16,487In Stock

Mfr. Part No.
1.5SMC56A

Mouser Part No
652-1.5SMC56A

Bourns

ESD Protection Diodes / TVS Diodes 56V 1500W UniDir

Learn More

Datasheet

16,487In Stock

Cut Tape

£0.436

£0.319

£0.181

£0.168

£0.147

Reel

£0.143

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 82V 1500W BiDir

1.5SMC82CA
Bourns
1: £0.30
12,635In Stock

Mfr. Part No.
1.5SMC82CA

Mouser Part No
652-1.5SMC82CA

Bourns

ESD Protection Diodes / TVS Diodes 82V 1500W BiDir

Learn More

Datasheet

12,635In Stock

Cut Tape

£0.30

£0.26

£0.161

£0.159

Reel

£0.159

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 04x4.2mm, 800V

2087-80-SM-RPLF
Bourns
1: £0.698
3,507In Stock

Mfr. Part No.
2087-80-SM-RPLF

Mouser Part No
652-2087-80-SM-RPLF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 04x4.2mm, 800V

Learn More

Datasheet

3,507In Stock

Cut Tape

£0.698

£0.634

£0.308

Reel

£0.307

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,700

ESD Protection Diodes / TVS Diodes 130V 5KW 5% UNI DO-214AB (SMC)

5.0SMDJ130A
Bourns
1: £1.40
5,336In Stock

Mfr. Part No.
5.0SMDJ130A

Mouser Part No
652-5.0SMDJ130A

Bourns

ESD Protection Diodes / TVS Diodes 130V 5KW 5% UNI DO-214AB (SMC)

Learn More

Datasheet

5,336In Stock

Cut Tape

£1.40

£1.01

£0.718

£0.632

Reel

£0.539

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 14V 5KW 5% UNI DO-214AB (SMC)

5.0SMDJ14A
Bourns
1: £1.15
6,949In Stock

Mfr. Part No.
5.0SMDJ14A

Mouser Part No
652-5.0SMDJ14A

Bourns

ESD Protection Diodes / TVS Diodes 14V 5KW 5% UNI DO-214AB (SMC)

Learn More

Datasheet

6,949In Stock

Cut Tape

£1.15

£0.96

£0.686

£0.598

Reel

£0.509

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes Unidirectional 2 Line Array

CDSOT23-0502U
Bourns
1: £0.398
10,743In Stock

Mfr. Part No.
CDSOT23-0502U

Mouser Part No
652-CDSOT23-0502U

Bourns

ESD Protection Diodes / TVS Diodes Unidirectional 2 Line Array

Learn More

Datasheet

10,743In Stock

Cut Tape

£0.398

£0.311

£0.212

£0.167

£0.138

Reel

£0.131

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes TVS Diode 8V 500W BIDIR SOT23

CDSOT23-T08C-Q
Bourns
1: £0.278
8,584In Stock

Mfr. Part No.
CDSOT23-T08C-Q

Mouser Part No
652-CDSOT23-T08C-Q

Bourns

ESD Protection Diodes / TVS Diodes TVS Diode 8V 500W BIDIR SOT23

Learn More

Datasheet

8,584In Stock

Cut Tape

£0.278

£0.237

£0.164

£0.137

Reel

£0.129

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC RESETTABLE FUSE 230VOLT 50OHM

CMF-RL50A-10-0
Bourns
1: £0.571
9,535In Stock

Mfr. Part No.
CMF-RL50A-10-0

Mouser Part No
652-CMF-RL50A-10-0

Bourns

Resettable Fuses - PPTC RESETTABLE FUSE 230VOLT 50OHM

Learn More

Datasheet

9,535In Stock

£0.571

£0.524

£0.435

£0.384

View

Min.: 1
Mult.: 1

Varistors IsoMOV 5KA 380Vrms Bulk In-Line

IsoM5-380-B-L2
Bourns
1: £1.90
4,095In Stock

Mfr. Part No.
IsoM5-380-B-L2

Mouser Part No
652-ISOM5-380-B-L2

Bourns

Varistors IsoMOV 5KA 380Vrms Bulk In-Line

Learn More

Datasheet

4,095In Stock

£1.90

£1.20

£1.02

£0.811

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 8V 350MA-HD 50A MAX

MF-FSML035/8-2
Bourns
1: £0.488
23,785In Stock

Mfr. Part No.
MF-FSML035/8-2

Mouser Part No
652-MF-FSML035/8-2

Bourns

Resettable Fuses - PPTC 8V 350MA-HD 50A MAX

Learn More

Datasheet

23,785In Stock

Cut Tape

£0.488

£0.373

£0.349

£0.264

View

Reel

£0.168

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

Resettable Fuses - PPTC 0805 SMD Polymer PTC 1.25A/6V

MF-PSML125/6-2
Bourns
1: £0.773
5,772In Stock

Mfr. Part No.
MF-PSML125/6-2

Mouser Part No
652-MF-PSML125/6-2

Bourns

Resettable Fuses - PPTC 0805 SMD Polymer PTC 1.25A/6V

Learn More

Datasheet

5,772In Stock

Cut Tape

£0.773

£0.711

£0.591

£0.546

View

Reel

£0.341

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,500

Varistors 820volts 20mm

MOV-20D821K
Bourns
1: £0.818
19,867In Stock

Mfr. Part No.
MOV-20D821K

Mouser Part No
652-MOV-20D821K

Bourns

Varistors 820volts 20mm

Learn More

Datasheet

19,867In Stock

£0.818

£0.545

£0.48

£0.408

View

Min.: 1
Mult.: 1

Thermal Cut-offs 50A 12V

P-TCO-U450/12-2
Bourns
1: £0.511
5,898In Stock

Mfr. Part No.
P-TCO-U450/12-2

Mouser Part No
652-P-TCO-U450/12-2

Bourns

Thermal Cut-offs 50A 12V

Learn More

Datasheet

5,898In Stock

Cut Tape

£0.511

£0.481

£0.45

£0.428

View

Reel

£0.271

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,500

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