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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 30V 1.35A-HD 40A MAX

MF-R135-2
Bourns
1: $0.54
11,495In Stock

Mfr. Part No.
MF-R135-2

Mouser Part No
652-MF-R135-2

Bourns

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

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Datasheet

11,495In Stock

Cut Tape

$0.54

$0.411

$0.385

$0.291

Reel

$0.22

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 240V .08A-HD 1.2A MAX

MF-RM008/240-2
Bourns
1: $0.50
8,806In Stock

Mfr. Part No.
MF-RM008/240-2

Mouser Part No
652-MF-RM008/240-2

Bourns

Resettable Fuses - PPTC 240V .08A-HD 1.2A MAX

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Datasheet

8,806In Stock

Cut Tape

$0.50

$0.424

$0.389

$0.333

View

Reel

$0.243

Min.: 1
Mult.: 1

Reel: 4,000

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

MF-RM025/240-0
Bourns
1: $0.66
6,804In 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

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Datasheet

6,804In Stock

$0.66

$0.555

$0.502

$0.428

View

Min.: 1
Mult.: 1

Varistors PV 115V 10%

PV115K4032R2
Bourns
1: $0.68
5,145In Stock

Mfr. Part No.
PV115K4032R2

Mouser Part No
652-PV115K4032R2

Bourns

Varistors PV 115V 10%

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Datasheet

5,145In Stock

Cut Tape

$0.68

$0.43

$0.377

$0.35

Reel

$0.316

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Varistors PV 175V 10%

PV175K4032R2
Bourns
1: $0.66
6,682In Stock

Mfr. Part No.
PV175K4032R2

Mouser Part No
652-PV175K4032R2

Bourns

Varistors PV 175V 10%

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Datasheet

6,682In Stock

Cut Tape

$0.66

$0.419

$0.367

$0.341

Reel

$0.313

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Varistors PV 75V 10%

PV75K4032R2
Bourns
1: $0.66
5,909In Stock

Mfr. Part No.
PV75K4032R2

Mouser Part No
652-PV75K4032R2

Bourns

Varistors PV 75V 10%

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Datasheet

5,909In Stock

Cut Tape

$0.66

$0.419

$0.366

$0.341

Reel

$0.319

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Thermal Cut-offs 85C Low Profile SMD HC TCO

SC85AAB
Bourns
1: $1.06
23,313In Stock

Mfr. Part No.
SC85AAB

Mouser Part No
652-SC85AAB

Bourns

Thermal Cut-offs 85C Low Profile SMD HC TCO

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Datasheet

23,313In Stock

Cut Tape

$1.06

$0.973

$0.808

$0.647

View

Reel

$0.47

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 1.6A Fast Acting 0402 SinglFuse

SF-0402F160-2
Bourns
1: $0.65
19,416In Stock

Mfr. Part No.
SF-0402F160-2

Mouser Part No
652-SF-0402F160-2

Bourns

Surface Mount Fuses 1.6A Fast Acting 0402 SinglFuse

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Datasheet

19,416In Stock

Cut Tape

$0.65

$0.541

$0.456

$0.379

View

Reel

$0.24

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Surface Mount Fuses 1.6A Slow Blow 0402 SinglFuse

SF-0402S160-2
Bourns
1: $0.78
15,799In Stock

Mfr. Part No.
SF-0402S160-2

Mouser Part No
652-SF-0402S160-2

Bourns

Surface Mount Fuses 1.6A Slow Blow 0402 SinglFuse

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Datasheet

15,799In Stock

Cut Tape

$0.78

$0.699

$0.581

$0.528

View

Reel

$0.373

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Surface Mount Fuses 2.5A Fast Acting 0603 SinglFuse

SF-0603F250-2
Bourns
1: $0.61
9,347In Stock

Mfr. Part No.
SF-0603F250-2

Mouser Part No
652-SF-0603F250-2

Bourns

Surface Mount Fuses 2.5A Fast Acting 0603 SinglFuse

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Datasheet

9,347In Stock

Cut Tape

$0.61

$0.509

$0.429

$0.357

View

Reel

$0.231

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 5A Fast Acting 0603 SinglFuse

SF-0603F500-2
Bourns
1: $0.47
20,085In Stock

Mfr. Part No.
SF-0603F500-2

Mouser Part No
652-SF-0603F500-2

Bourns

Surface Mount Fuses 5A Fast Acting 0603 SinglFuse

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Datasheet

20,085In Stock

Cut Tape

$0.47

$0.419

$0.37

$0.335

View

Reel

$0.225

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 3.15A 32V FAST ACTING

SF-0603FP315-2
Bourns
1: $0.68
19,642In 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

19,642In Stock

Cut Tape

$0.68

$0.573

$0.482

$0.40

View

Reel

$0.25

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 4A Fast Acting 1206 SinglFuse

SF-1206F400-2
Bourns
1: $0.43
19,599In Stock

Mfr. Part No.
SF-1206F400-2

Mouser Part No
652-SF-1206F400-2

Bourns

Surface Mount Fuses 4A Fast Acting 1206 SinglFuse

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Datasheet

19,599In Stock

Cut Tape

$0.43

$0.397

$0.348

$0.329

View

Reel

$0.217

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses .8A 63V FAST ACTING

SF-1206FP080-2
Bourns
1: $0.53
17,604In Stock

Mfr. Part No.
SF-1206FP080-2

Mouser Part No
652-SF-1206FP080-2

Bourns

Surface Mount Fuses .8A 63V FAST ACTING

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Datasheet

17,604In Stock

Cut Tape

$0.53

$0.467

$0.406

$0.366

View

Reel

$0.239

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 4A 32V FAST ACTING

SF-1206FP400-2
Bourns
1: $0.55
8,885In Stock

Mfr. Part No.
SF-1206FP400-2

Mouser Part No
652-SF-1206FP400-2

Bourns

Surface Mount Fuses 4A 32V FAST ACTING

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Datasheet

8,885In Stock

Cut Tape

$0.55

$0.492

$0.431

$0.39

View

Reel

$0.232

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Thyristor Surge Protection Devices - TSPD PROTECTOR - SINGLE BIDIRECTIONAL

TISP4070J3BJR-S
Bourns
1: $1.80
9,082In Stock

Mfr. Part No.
TISP4070J3BJR-S

Mouser Part No
652-TISP4070J3BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD PROTECTOR - SINGLE BIDIRECTIONAL

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Datasheet

9,082In Stock

Cut Tape

$1.80

$1.15

$0.566

$0.486

Reel

$0.485

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Varistors 18 VDC .4J 38V-CL 355PF

ZV14K0805121NIR1
Bourns
1: $0.18
31,026In Stock

Mfr. Part No.
ZV14K0805121NIR1

Mouser Part No
652-ZV14K0805121NIR1

Bourns

Varistors 18 VDC .4J 38V-CL 355PF

Learn More

Datasheet

31,026In Stock

Cut Tape

$0.18

$0.109

$0.093

$0.089

Reel

$0.078

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Varistors ZV 35V 10%

ZV35K1206121NIR1
Bourns
1: $0.25
14,835In Stock

Mfr. Part No.
ZV35K1206121NIR1

Mouser Part No
652-ZV35K1206121NIR1

Bourns

Varistors ZV 35V 10%

Learn More

Datasheet

14,835In Stock

Cut Tape

$0.25

$0.151

$0.13

$0.119

Reel

$0.102

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors ZV 50V 10%

ZV50K1210251NIR1HT
Bourns
1: $0.35
14,313In Stock

Mfr. Part No.
ZV50K1210251NIR1HT

Mouser Part No
652-ZV50K1210251NIRH

Bourns

Varistors ZV 50V 10%

Learn More

Datasheet

14,313In Stock

Cut Tape

$0.35

$0.213

$0.184

$0.17

Reel

$0.148

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Varistors ZV 60 K 1210 251 NI R1

ZV60K1210251NIR1
Bourns
1: $0.32
11,750In Stock

Mfr. Part No.
ZV60K1210251NIR1

Mouser Part No
652-ZV60K1210251NIR1

Bourns

Varistors ZV 60 K 1210 251 NI R1

Learn More

Datasheet

11,750In Stock

Cut Tape

$0.32

$0.198

$0.17

$0.157

Reel

$0.137

View

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.25A/15V

MF-LSMF125X-2
Bourns
1: $0.25
8,441In Stock

Mfr. Part No.
MF-LSMF125X-2

Mouser Part No
652-MF-LSMF125X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.25A/15V

Learn More

Datasheet

8,441In Stock

Cut Tape

$0.25

$0.247

Reel

$0.246

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

Varistors 7mm Radial Disc MOV - Kinked Leads, T&R

MOV-07D181KKTR
Bourns
1: $0.37
3,874In Stock

Mfr. Part No.
MOV-07D181KKTR

Mouser Part No
652-MOV-07D181KKTR

Bourns

Varistors 7mm Radial Disc MOV - Kinked Leads, T&R

Learn More

Datasheet

3,874In Stock

Cut Tape

$0.37

$0.30

$0.159

$0.123

Reel

$0.051

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Varistors 10mm Radial Disc MOV - Kinked Leads, T&R

MOV-10D301KKTR
Bourns
1: $0.57
1,980In Stock
New Product

Mfr. Part No.
MOV-10D301KKTR

Mouser Part No
652-MOV-10D301KKTR

New Product

Bourns

Varistors 10mm Radial Disc MOV - Kinked Leads, T&R

Learn More

Datasheet

1,980In Stock

Cut Tape

$0.57

$0.344

$0.212

$0.185

Reel

$0.138

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Varistors 10mm Radial Disc MOV - Kinked Leads, T&R

MOV-10D621KKTR
Bourns
1: $0.76
1,941In Stock

Mfr. Part No.
MOV-10D621KKTR

Mouser Part No
652-MOV-10D621KKTR

Bourns

Varistors 10mm Radial Disc MOV - Kinked Leads, T&R

Learn More

Datasheet

1,941In Stock

Cut Tape

$0.76

$0.457

$0.286

$0.244

Reel

$0.213

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Varistors 10mm Radial Disc MOV - Kinked Leads, T&R

MOV-10D751KKTR
Bourns
1: $0.76
1,909In Stock

Mfr. Part No.
MOV-10D751KKTR

Mouser Part No
652-MOV-10D751KKTR

Bourns

Varistors 10mm Radial Disc MOV - Kinked Leads, T&R

Learn More

Datasheet

1,909In Stock

Cut Tape

$0.76

$0.457

$0.286

$0.244

Reel

$0.213

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Circuit Protection Devices

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