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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: $0.68
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

$0.68

$0.622

$0.516

$0.469

View

Min.: 1
Mult.: 1

Varistors CV 275 K 7 B L1

CV275K7BL1
Bourns
1: $0.24
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

$0.24

$0.164

$0.147

$0.14

View

Min.: 1
Mult.: 1

Varistors DV SERIES 230V

DV230K4032R2
Bourns
1: $0.83
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

$0.83

$0.533

$0.468

$0.436

Reel

$0.39

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Varistors IsoMOV 3KA 320Vrms Bulk In-Line

IsoM3-320-B-L2
Bourns
1: $1.84
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

$1.84

$1.27

$1.15

$0.918

View

Min.: 1
Mult.: 1

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

MF-USML600/6-2
Bourns
1: $0.53
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

$0.53

$0.366

$0.326

Reel

$0.326

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,500

Varistors 1100volts 14mm

MOV-14D112K
Bourns
1: $0.58
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

$0.58

$0.369

$0.322

$0.321

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 400V 400W BiDir

P4SMA400CA
Bourns
1: $0.58
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

$0.58

$0.445

$0.304

$0.24

$0.202

Reel

$0.172

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: $0.49
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

$0.49

$0.326

$0.22

$0.172

$0.135

Reel

$0.115

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 27V 600W BiDir

P6SMB27CA
Bourns
1: $0.32
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

$0.32

$0.243

$0.17

$0.147

Reel

$0.104

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 300V 600W UniDir

P6SMB300A
Bourns
1: $0.16
13,314In Stock

Mfr. Part No.
P6SMB300A

Mouser Part No
652-P6SMB300A

Bourns

ESD Protection Diodes / TVS Diodes 300V 600W UniDir

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Datasheet

13,314In Stock

Cut Tape

$0.16

$0.159

Reel

$0.159

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 350V 600W UniDir

P6SMB350A
Bourns
1: $0.45
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

$0.45

$0.352

$0.249

$0.202

$0.187

Reel

$0.159

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 51V 600W BiDir

P6SMB51CA
Bourns
1: $0.28
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

$0.28

$0.165

$0.115

Reel

$0.115

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 550V 600W UniDir

P6SMB550A
Bourns
1: $0.19
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

$0.19

$0.184

$0.181

Reel

$0.172

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: $0.44
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

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Datasheet

13,096In Stock

Cut Tape

$0.44

$0.357

$0.243

$0.19

$0.152

Reel

$0.129

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Surface Mount Fuses .375A Fast Act Prec 0603 SinglFuse

SF-0603FP0375F-2
Bourns
1: $0.72
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

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Datasheet

51,415In Stock

Cut Tape

$0.72

$0.604

$0.509

$0.423

View

Reel

$0.265

MouseReel Available

Min.: 1
Mult.: 1

Reel: 8,000

Surface Mount Fuses .5A Fast Act Prec 0603 SinglFuse

SF-0603FP050F-2
Bourns
1: $0.59
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

$0.59

$0.431

$0.387

$0.368

$0.247

Reel

$0.247

MouseReel Available

Min.: 1
Mult.: 1

Reel: 8,000

Surface Mount Fuses 1A 32V FAST ACTING

SF-0603FP100M-2
Bourns
1: $0.60
7,671In Stock

Mfr. Part No.
SF-0603FP100M-2

Mouser Part No
652-SF-0603FP100M-2

Bourns

Surface Mount Fuses 1A 32V FAST ACTING

Learn More

Datasheet

7,671In Stock

Cut Tape

$0.60

$0.555

$0.494

$0.447

View

Reel

$0.272

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

Surface Mount Fuses 8A 24V TIME DELAY

SF-0603SA800M-2
Bourns
1: $0.78
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

$0.78

$0.713

$0.63

$0.593

View

Reel

$0.455

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Surface Mount Fuses 2410 Fast-Acting Tube 15A

SF-2410F1500T-2
Bourns
1: $0.62
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

$0.62

$0.57

$0.473

$0.436

Reel

$0.293

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Surface Mount Fuses .75A 125V FAST ACTING

SF-2410FP075T-2
Bourns
1: $0.55
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

$0.55

$0.447

$0.376

$0.319

Reel

$0.213

View

Min.: 1
Mult.: 1

Reel: 2,000

Surface Mount Fuses .75A 250V FAST ACTING

SF-2410FP075W-2
Bourns
1: $0.85
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

$0.85

$0.733

$0.616

$0.511

Reel

$0.347

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Surface Mount Fuses 2410 Fast-Precision Tube 1.5A

SF-2410FP150T-2
Bourns
1: $0.54
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

$0.54

$0.445

$0.374

$0.317

Reel

$0.211

View

Min.: 1
Mult.: 1

Reel: 2,000

ESD Protection Diodes / TVS Diodes SMA6J - CA 64V

SMA6J64CA
Bourns
1: $0.85
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

$0.85

$0.526

$0.34

$0.261

Reel

$0.166

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

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

SMAJ440CA
Bourns
1: $0.35
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

$0.35

$0.288

$0.228

$0.227

Reel

$0.204

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: $0.37
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

$0.37

$0.261

$0.176

$0.129

$0.113

Reel

$0.087

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Circuit Protection Devices

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Circuit Protection Devices

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