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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)

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Part #

Resettable Fuses - PPTC RESETTABLE FUSE 220VOLT 25OHM

CMF-RL50A-0
Bourns
1: £0.511
14,419In Stock

Mfr. Part No.
CMF-RL50A-0

Mouser Part No
652-CMF-RL50A-0

Bourns

Resettable Fuses - PPTC RESETTABLE FUSE 220VOLT 25OHM

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Datasheet

14,419In Stock

£0.511

£0.467

£0.388

£0.352

View

Min.: 1
Mult.: 1

Varistors CV 275 K 7 B L1

CV275K7BL1
Bourns
1: £0.18
17,012In Stock

Mfr. Part No.
CV275K7BL1

Mouser Part No
652-CV275K7BL1

Bourns

Varistors CV 275 K 7 B L1

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Datasheet

17,012In Stock

£0.18

£0.123

£0.11

£0.105

View

Min.: 1
Mult.: 1

Varistors DV SERIES 230V

DV230K4032R2
Bourns
1: £0.623
11,119In Stock

Mfr. Part No.
DV230K4032R2

Mouser Part No
652-DV230K4032R2

Bourns

Varistors DV SERIES 230V

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Datasheet

11,119In Stock

Cut Tape

£0.623

£0.40

£0.351

£0.327

Reel

£0.292

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Varistors IsoMOV 3KA 320Vrms Bulk In-Line

IsoM3-320-B-L2
Bourns
1: £1.38
4,992In Stock

Mfr. Part No.
IsoM3-320-B-L2

Mouser Part No
652-ISOM3-320-B-L2

Bourns

Varistors IsoMOV 3KA 320Vrms Bulk In-Line

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Datasheet

4,992In Stock

£1.38

£0.952

£0.863

£0.689

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 6V 6.0A-HD 20A PTC

MF-USML600/6-2
Bourns
1: £0.398
4,882In Stock

Mfr. Part No.
MF-USML600/6-2

Mouser Part No
652-MF-USML600/6-2

Bourns

Resettable Fuses - PPTC 6V 6.0A-HD 20A PTC

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Datasheet

4,882In Stock

Cut Tape

£0.398

£0.275

£0.244

Reel

£0.244

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,500

Varistors 1100volts 14mm

MOV-14D112K
Bourns
1: £0.436
5,895In Stock

Mfr. Part No.
MOV-14D112K

Mouser Part No
652-MOV-14D112K

Bourns

Varistors 1100volts 14mm

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Datasheet

5,895In Stock

£0.436

£0.277

£0.242

£0.241

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 400V 400W BiDir

P4SMA400CA
Bourns
1: £0.436
8,778In Stock

Mfr. Part No.
P4SMA400CA

Mouser Part No
652-P4SMA400CA

Bourns

ESD Protection Diodes / TVS Diodes 400V 400W BiDir

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Datasheet

8,778In Stock

Cut Tape

£0.436

£0.334

£0.228

£0.18

£0.152

Reel

£0.129

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes DIO TVS VBR 24V 600W UNIDIR SMB AECQ

P6SMB24A-Q
Bourns
1: £0.368
21,345In Stock

Mfr. Part No.
P6SMB24A-Q

Mouser Part No
652-P6SMB24A-Q

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VBR 24V 600W UNIDIR SMB AECQ

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Datasheet

21,345In Stock

Cut Tape

£0.368

£0.244

£0.165

£0.129

£0.101

Reel

£0.086

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 27V 600W BiDir

P6SMB27CA
Bourns
1: £0.24
18,701In Stock

Mfr. Part No.
P6SMB27CA

Mouser Part No
652-P6SMB27CA

Bourns

ESD Protection Diodes / TVS Diodes 27V 600W BiDir

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Datasheet

18,701In Stock

Cut Tape

£0.24

£0.182

£0.127

£0.11

Reel

£0.078

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 300V 600W UniDir

P6SMB300A
Bourns
1: £0.12
13,294In Stock

Mfr. Part No.
P6SMB300A

Mouser Part No
652-P6SMB300A

Bourns

ESD Protection Diodes / TVS Diodes 300V 600W UniDir

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Datasheet

13,294In Stock

Cut Tape

£0.12

Reel

£0.12

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 350V 600W UniDir

P6SMB350A
Bourns
1: £0.338
12,403In Stock

Mfr. Part No.
P6SMB350A

Mouser Part No
652-P6SMB350A

Bourns

ESD Protection Diodes / TVS Diodes 350V 600W UniDir

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Datasheet

12,403In Stock

Cut Tape

£0.338

£0.265

£0.187

£0.152

£0.141

Reel

£0.12

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 51V 600W BiDir

P6SMB51CA
Bourns
1: £0.21
13,380In Stock

Mfr. Part No.
P6SMB51CA

Mouser Part No
652-P6SMB51CA

Bourns

ESD Protection Diodes / TVS Diodes 51V 600W BiDir

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Datasheet

13,380In Stock

Cut Tape

£0.21

£0.124

£0.086

Reel

£0.086

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 550V 600W UniDir

P6SMB550A
Bourns
1: £0.142
17,377In Stock

Mfr. Part No.
P6SMB550A

Mouser Part No
652-P6SMB550A

Bourns

ESD Protection Diodes / TVS Diodes 550V 600W UniDir

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Datasheet

17,377In Stock

Cut Tape

£0.142

£0.138

£0.136

Reel

£0.129

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes DIO TVS VBR 68V 600W BIIDIR SMB AECQ

P6SMB68CA-Q
Bourns
1: £0.33
13,096In Stock

Mfr. Part No.
P6SMB68CA-Q

Mouser Part No
652-P6SMB68CA-Q

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VBR 68V 600W BIIDIR SMB AECQ

Learn More

Datasheet

13,096In Stock

Cut Tape

£0.33

£0.268

£0.182

£0.142

£0.114

Reel

£0.097

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Surface Mount Fuses .375A Fast Act Prec 0603 SinglFuse

SF-0603FP0375F-2
Bourns
1: £0.54
51,415In Stock

Mfr. Part No.
SF-0603FP0375F-2

Mouser Part No
652-SF-0603FP0375F-2

Bourns

Surface Mount Fuses .375A Fast Act Prec 0603 SinglFuse

Learn More

Datasheet

51,415In Stock

Cut Tape

£0.54

£0.453

£0.382

£0.318

View

Reel

£0.199

MouseReel Available

Min.: 1
Mult.: 1

Reel: 8,000

Surface Mount Fuses .5A Fast Act Prec 0603 SinglFuse

SF-0603FP050F-2
Bourns
1: £0.443
26,763In Stock

Mfr. Part No.
SF-0603FP050F-2

Mouser Part No
652-SF-0603FP050F-2

Bourns

Surface Mount Fuses .5A Fast Act Prec 0603 SinglFuse

Learn More

Datasheet

26,763In Stock

Cut Tape

£0.443

£0.324

£0.291

£0.276

£0.185

Reel

£0.185

MouseReel Available

Min.: 1
Mult.: 1

Reel: 8,000

Surface Mount Fuses 1A 32V FAST ACTING

SF-0603FP100M-2
Bourns
1: £0.45
7,671In Stock

Mfr. Part No.
SF-0603FP100M-2

Mouser Part No
652-SF-0603FP100M-2

Bourns

Surface Mount Fuses 1A 32V FAST ACTING

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Datasheet

7,671In Stock

Cut Tape

£0.45

£0.416

£0.371

£0.335

View

Reel

£0.204

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

Surface Mount Fuses 8A 24V TIME DELAY

SF-0603SA800M-2
Bourns
1: £0.586
4,805In Stock

Mfr. Part No.
SF-0603SA800M-2

Mouser Part No
652-SF-0603SA800M-2

Bourns

Surface Mount Fuses 8A 24V TIME DELAY

Learn More

Datasheet

4,805In Stock

Cut Tape

£0.586

£0.535

£0.473

£0.445

View

Reel

£0.341

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Surface Mount Fuses 2410 Fast-Acting Tube 15A

SF-2410F1500T-2
Bourns
1: £0.465
8,619In Stock

Mfr. Part No.
SF-2410F1500T-2

Mouser Part No
652-SF-2410F1500T-2

Bourns

Surface Mount Fuses 2410 Fast-Acting Tube 15A

Learn More

Datasheet

8,619In Stock

Cut Tape

£0.465

£0.428

£0.355

£0.327

Reel

£0.22

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Surface Mount Fuses .75A 125V FAST ACTING

SF-2410FP075T-2
Bourns
1: £0.413
8,746In Stock

Mfr. Part No.
SF-2410FP075T-2

Mouser Part No
652-SF-2410FP075T-2

Bourns

Surface Mount Fuses .75A 125V FAST ACTING

Learn More

Datasheet

8,746In Stock

Cut Tape

£0.413

£0.335

£0.282

£0.239

Reel

£0.16

View

Min.: 1
Mult.: 1

Reel: 2,000

Surface Mount Fuses .75A 250V FAST ACTING

SF-2410FP075W-2
Bourns
1: £0.638
17,358In Stock

Mfr. Part No.
SF-2410FP075W-2

Mouser Part No
652-SF-2410FP075W-2

Bourns

Surface Mount Fuses .75A 250V FAST ACTING

Learn More

Datasheet

17,358In Stock

Cut Tape

£0.638

£0.55

£0.463

£0.383

Reel

£0.26

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Surface Mount Fuses 2410 Fast-Precision Tube 1.5A

SF-2410FP150T-2
Bourns
1: £0.405
8,283In Stock

Mfr. Part No.
SF-2410FP150T-2

Mouser Part No
652-SF-2410FP150T-2

Bourns

Surface Mount Fuses 2410 Fast-Precision Tube 1.5A

Learn More

Datasheet

8,283In Stock

Cut Tape

£0.405

£0.334

£0.281

£0.238

Reel

£0.158

View

Min.: 1
Mult.: 1

Reel: 2,000

ESD Protection Diodes / TVS Diodes SMA6J - CA 64V

SMA6J64CA
Bourns
1: £0.638
14,170In Stock

Mfr. Part No.
SMA6J64CA

Mouser Part No
652-SMA6J64CA

Bourns

ESD Protection Diodes / TVS Diodes SMA6J - CA 64V

Learn More

Datasheet

14,170In Stock

Cut Tape

£0.638

£0.395

£0.255

£0.196

Reel

£0.125

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 440volts 1uA .6 Amps Bi-Dir

SMAJ440CA
Bourns
1: £0.263
15,348In Stock

Mfr. Part No.
SMAJ440CA

Mouser Part No
652-SMAJ440CA

Bourns

ESD Protection Diodes / TVS Diodes 440volts 1uA .6 Amps Bi-Dir

Learn More

Datasheet

15,348In Stock

Cut Tape

£0.263

£0.217

£0.171

£0.17

Reel

£0.153

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 10volts 5uA 35.3 Amps Uni-Dir

SMBJ10A
Bourns
1: £0.278
18,459In Stock

Mfr. Part No.
SMBJ10A

Mouser Part No
652-SMBJ10A

Bourns

ESD Protection Diodes / TVS Diodes 10volts 5uA 35.3 Amps Uni-Dir

Learn More

Datasheet

18,459In Stock

Cut Tape

£0.278

£0.196

£0.132

£0.097

£0.085

Reel

£0.065

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Circuit Protection Devices

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Circuit Protection Devices

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