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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 #

Automotive Fuses POWrFuse BD 275Vac 500Vdc 15A

PF-KB1-15
Bourns
1: $18.54
169In Stock

Mfr. Part No.
PF-KB1-15

Mouser Part No
652-PF-KB1-15

Bourns

Automotive Fuses POWrFuse BD 275Vac 500Vdc 15A

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Datasheet

169In Stock

$18.54

$16.96

$16.54

$14.40

Min.: 1
Mult.: 1

Automotive Fuses POWrFuse BD 275Vac 500Vdc 30A

PF-KB1-30
Bourns
1: $18.57
213In Stock

Mfr. Part No.
PF-KB1-30

Mouser Part No
652-PF-KB1-30

Bourns

Automotive Fuses POWrFuse BD 275Vac 500Vdc 30A

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Datasheet

213In Stock

$18.57

$17.07

$17.06

$15.61

Min.: 1
Mult.: 1

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

1.5SMBJ33A-H
Bourns
1: $0.65
6,610In 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

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Datasheet

6,610In Stock

Cut Tape

$0.65

$0.543

$0.373

Reel

$0.291

$0.226

$0.222

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 10V 1500W UniDir

1.5SMC10A
Bourns
1: $0.58
12,147In Stock

Mfr. Part No.
1.5SMC10A

Mouser Part No
652-1.5SMC10A

Bourns

ESD Protection Diodes / TVS Diodes 10V 1500W UniDir

Learn More

Datasheet

12,147In Stock

Cut Tape

$0.58

$0.442

$0.302

$0.238

$0.201

Reel

$0.171

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 250V 1500W UniDir

1.5SMC250A
Bourns
1: $0.33
10,339In Stock

Mfr. Part No.
1.5SMC250A

Mouser Part No
652-1.5SMC250A

Bourns

ESD Protection Diodes / TVS Diodes 250V 1500W UniDir

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Datasheet

10,339In Stock

Cut Tape

$0.33

$0.304

Reel

$0.278

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 36V 1500W UniDir

1.5SMC36A
Bourns
1: $0.43
16,978In Stock

Mfr. Part No.
1.5SMC36A

Mouser Part No
652-1.5SMC36A

Bourns

ESD Protection Diodes / TVS Diodes 36V 1500W UniDir

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Datasheet

16,978In Stock

Cut Tape

$0.43

$0.212

$0.195

$0.19

Reel

$0.171

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 510V 1500W UniDir

1.5SMC510A
Bourns
1: $0.87
8,472In Stock

Mfr. Part No.
1.5SMC510A

Mouser Part No
652-1.5SMC510A

Bourns

ESD Protection Diodes / TVS Diodes 510V 1500W UniDir

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Datasheet

8,472In Stock

Cut Tape

$0.87

$0.671

$0.297

$0.293

Reel

$0.293

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

15KPA016C-SD-Q
Bourns
1: $4.66
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

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Datasheet

2,340In Stock

Cut Tape

$4.66

$3.30

$2.61

$2.45

Reel

$2.45

Min.: 1
Mult.: 1

Reel: 750

ESD Protection Diodes / TVS Diodes 43V 5kW 5% Bi-Dir. AEC-Q101

5.0SMDJ43CA-Q
Bourns
1: $1.97
9,381In Stock

Mfr. Part No.
5.0SMDJ43CA-Q

Mouser Part No
652-5.0SMDJ43CA-Q

Bourns

ESD Protection Diodes / TVS Diodes 43V 5kW 5% Bi-Dir. AEC-Q101

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Datasheet

9,381In Stock

Cut Tape

$1.97

$1.56

$1.12

$1.01

$0.934

Reel

$0.892

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes TVS Diode Array 24VOLT

CDNBS08-T24
Bourns
1: $2.90
8,295In Stock

Mfr. Part No.
CDNBS08-T24

Mouser Part No
652-CDNBS08-T24

Bourns

ESD Protection Diodes / TVS Diodes TVS Diode Array 24VOLT

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Datasheet

8,295In Stock

Cut Tape

$2.90

$1.88

$1.38

$1.17

$1.02

Reel

$1.02

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Resettable Fuses - PPTC Ceramic PTC

CMF-SDP50-2
Bourns
1: $1.22
5,950In Stock

Mfr. Part No.
CMF-SDP50-2

Mouser Part No
652-CMF-SDP50-2

Bourns

Resettable Fuses - PPTC Ceramic PTC

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Datasheet

5,950In Stock

Cut Tape

$1.22

$1.12

$0.842

$0.823

Reel

$0.661

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 350

Resettable Fuses - PPTC 0.09A 230V 50ohm SURFACE MOUNT

CMF-SDP50A-2
Bourns
1: $0.82
6,684In Stock

Mfr. Part No.
CMF-SDP50A-2

Mouser Part No
652-CMF-SDP50A-2

Bourns

Resettable Fuses - PPTC 0.09A 230V 50ohm SURFACE MOUNT

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Datasheet

6,684In Stock

Cut Tape

$0.82

$0.701

$0.614

$0.551

Reel

$0.49

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

Varistors CV 150 K 14 B L1

CV150K14BL1
Bourns
1: $0.561
10,602In Stock

Mfr. Part No.
CV150K14BL1

Mouser Part No
652-CV150K14BL1

Bourns

Varistors CV 150 K 14 B L1

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Datasheet

10,602In Stock

$0.561

$0.356

$0.311

$0.279

View

Min.: 1
Mult.: 1

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

MF-ASML050/6-2
Bourns
1: $0.49
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

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Datasheet

22,541In Stock

Cut Tape

$0.49

$0.371

$0.348

$0.263

View

Reel

$0.183

Min.: 1
Mult.: 1

Reel: 10,000

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

MF-NSML260/6-2
Bourns
1: $0.82
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

$0.82

$0.749

$0.619

$0.575

View

Reel

$0.351

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

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

MF-NSML300/6-2
Bourns
1: $0.82
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

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Datasheet

6,150In Stock

Cut Tape

$0.82

$0.749

$0.619

$0.573

Reel

$0.387

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: $0.68
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

$0.68

$0.60

$0.571

$0.545

View

Reel

$0.351

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

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

MF-USML700/6-2
Bourns
1: $0.511
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

$0.511

$0.49

$0.444

$0.43

View

Reel

$0.326

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,500

Varistors 1100volts 20mm

MOV-20D112K
Bourns
1: $1.19
3,546In Stock

Mfr. Part No.
MOV-20D112K

Mouser Part No
652-MOV-20D112K

Bourns

Varistors 1100volts 20mm

Learn More

Datasheet

3,546In Stock

$1.19

$0.862

$0.779

$0.656

View

Min.: 1
Mult.: 1

Varistors 390volts 20mm

MOV-20D391KTR
Bourns
1: $0.57
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

$0.57

$0.392

$0.354

Reel

$0.321

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

Varistors 750volts 20mm

MOV-20D751K
Bourns
1: $2.07
5,701In Stock

Mfr. Part No.
MOV-20D751K

Mouser Part No
652-MOV-20D751K

Bourns

Varistors 750volts 20mm

Learn More

Datasheet

5,701In Stock

$2.07

$1.28

$0.879

$0.821

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 440V 400W UniDir

P4SMA440A
Bourns
1: $0.45
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

$0.45

$0.354

$0.212

$0.183

Reel

$0.117

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 540V 400W BiDir

P4SMA540CA
Bourns
1: $0.60
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

$0.60

$0.445

$0.304

$0.24

View

Reel

$0.172

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 120V 600W BiDir

P6SMB120CA
Bourns
1: $0.13
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

$0.13

$0.114

$0.11

$0.109

Reel

$0.102

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 150V 600W BiDir

P6SMB150CA
Bourns
1: $0.57
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

$0.57

$0.416

$0.284

$0.158

Reel

$0.157

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Circuit Protection Devices

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Circuit Protection Devices

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