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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 #

Surface Mount Fuses 3A Fast Acting 0603 SinglFuse

SF-0603F300-2
Bourns
1: $0.626
9,151In Stock

Mfr. Part No.
SF-0603F300-2

Mouser Part No
652-SF-0603F300-2

Bourns

Surface Mount Fuses 3A Fast Acting 0603 SinglFuse

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Datasheet

9,151In Stock

Cut Tape

$0.626

$0.577

$0.505

$0.477

View

Reel

$0.309

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 0.63A Slow Blow 0603 SinglFuse

SF-0603S063-2
Bourns
1: $0.584
8,969In Stock

Mfr. Part No.
SF-0603S063-2

Mouser Part No
652-SF-0603S063-2

Bourns

Surface Mount Fuses 0.63A Slow Blow 0603 SinglFuse

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Datasheet

8,969In Stock

Cut Tape

$0.584

$0.514

$0.423

$0.371

View

Reel

$0.306

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 3A Fast Acting 1206 SinglFuse

SF-1206F300-2
Bourns
1: $0.681
14,262In Stock

Mfr. Part No.
SF-1206F300-2

Mouser Part No
652-SF-1206F300-2

Bourns

Surface Mount Fuses 3A Fast Acting 1206 SinglFuse

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Datasheet

14,262In Stock

Cut Tape

$0.681

$0.495

$0.421

$0.379

View

Reel

$0.27

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 2A 63V FAST ACTING

SF-1206FP200-2
Bourns
1: $0.681
6,077In Stock

Mfr. Part No.
SF-1206FP200-2

Mouser Part No
652-SF-1206FP200-2

Bourns

Surface Mount Fuses 2A 63V FAST ACTING

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Datasheet

6,077In Stock

Cut Tape

$0.681

$0.62

$0.541

$0.503

View

Reel

$0.32

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Thyristor Surge Protection Devices - TSPD Sidacs Very Low Volt Bidirectional

TISP4025H1BJR-S
Bourns
1: $1.79
9,422In Stock

Mfr. Part No.
TISP4025H1BJR-S

Mouser Part No
652-TISP4025H1BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD Sidacs Very Low Volt Bidirectional

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Datasheet

9,422In Stock

Cut Tape

$1.79

$1.13

$0.746

$0.587

Reel

$0.464

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Thyristor Surge Protection Devices - TSPD 58V 600mA

TISP4070M3BJR-S
Bourns
1: $1.61
12,997In Stock

Mfr. Part No.
TISP4070M3BJR-S

Mouser Part No
652-TISP4070M3BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD 58V 600mA

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Datasheet

12,997In Stock

Cut Tape

$1.61

$1.01

$0.666

$0.521

Reel

$0.396

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Thyristor Surge Protection Devices - TSPD BI-DIRECTIONL PRTCTR 120volts

TISP4145M3BJR-S
Bourns
1: $1.61
8,461In Stock

Mfr. Part No.
TISP4145M3BJR-S

Mouser Part No
652-TISP4145M3BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD BI-DIRECTIONL PRTCTR 120volts

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Datasheet

8,461In Stock

Cut Tape

$1.61

$1.01

$0.666

$0.521

Reel

$0.349

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Varistors ZV 20V 10%

ZV20K1206201NIR1HT
Bourns
1: $0.278
22,724In Stock

Mfr. Part No.
ZV20K1206201NIR1HT

Mouser Part No
652-ZV20K1206201NIRH

Bourns

Varistors ZV 20V 10%

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Datasheet

22,724In Stock

Cut Tape

$0.278

$0.221

$0.196

$0.192

View

Reel

$0.136

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Industrial Surge Protectors AC SPD 10KA RATED 120V

1202-120S
Bourns
1: $142.68
23In Stock

Mfr. Part No.
1202-120S

Mouser Part No
652-1202-120S

Bourns

Industrial Surge Protectors AC SPD 10KA RATED 120V

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Datasheet

23In Stock

$142.68

$120.01

$89.66

$89.64

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 60volts Fail Short

2020-15T-C2FLF
Bourns
1: $7.06
1,010In Stock

Mfr. Part No.
2020-15T-C2FLF

Mouser Part No
652-2020-15T-C2FLF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 60volts Fail Short

Datasheet

1,010In Stock

$7.06

$5.85

$5.41

$4.49

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Sparkover100V/s 350V 3 Pole

2026-35-C2LF
Bourns
1: $2.86
1,869In Stock

Mfr. Part No.
2026-35-C2LF

Mouser Part No
652-2026-35-C2LF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Sparkover100V/s 350V 3 Pole

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Datasheet

1,869In Stock

$2.86

$2.24

$2.21

$1.93

View

Min.: 1
Mult.: 1

Varistors AVHT AUTO SERIES 17V

AV17K1206201NIR1HT
Bourns
1: $0.389
36,351In Stock

Mfr. Part No.
AV17K1206201NIR1HT

Mouser Part No
652-AV17K1206201NI1H

Bourns

Varistors AVHT AUTO SERIES 17V

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Datasheet

36,351In Stock

Cut Tape

$0.389

$0.234

$0.209

$0.197

Reel

$0.157

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors AVHT AUTO SERIES 17V

AV17K2220122NIR1HT
Bourns
1: $1.63
6,240In Stock

Mfr. Part No.
AV17K2220122NIR1HT

Mouser Part No
652-AV17K2220122NI1H

Bourns

Varistors AVHT AUTO SERIES 17V

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Datasheet

6,240In Stock

Cut Tape

$1.63

$1.17

$1.08

$0.723

Reel

$0.721

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Varistors Chip Guard 0402 12 VOLTS

CG0402MLC-12LGA
Bourns
1: $0.431
12,930In Stock

Mfr. Part No.
CG0402MLC-12LGA

Mouser Part No
652-CG0402MLC-12LGA

Bourns

Varistors Chip Guard 0402 12 VOLTS

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Datasheet

12,930In Stock

Cut Tape

$0.431

$0.267

$0.231

$0.213

View

Reel

$0.181

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Varistors IsoMOV 3KA 175Vrms Bulk In-Line

IsoM3-175-B-L2
Bourns
1: $1.65
3,128In Stock

Mfr. Part No.
IsoM3-175-B-L2

Mouser Part No
652-ISOM3-175-B-L2

Bourns

Varistors IsoMOV 3KA 175Vrms Bulk In-Line

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Datasheet

3,128In Stock

$1.65

$0.92

$0.915

$0.913

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC PTC RESETTABLE 0.17A 60V RADIAL LEADED

MF-R017-2
Bourns
1: $0.626
11,331In Stock

Mfr. Part No.
MF-R017-2

Mouser Part No
652-MF-R017-2

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 0.17A 60V RADIAL LEADED

Learn More

Datasheet

11,331In Stock

Cut Tape

$0.626

$0.48

$0.449

$0.339

Reel

$0.246

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 60V .75A-HD 40A MAX

MF-R075-2
Bourns
1: $0.57
11,648In Stock

Mfr. Part No.
MF-R075-2

Mouser Part No
652-MF-R075-2

Bourns

Resettable Fuses - PPTC 60V .75A-HD 40A MAX

Learn More

Datasheet

11,648In Stock

Cut Tape

$0.57

$0.517

$0.43

$0.396

Reel

$0.265

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 60V .145A-HD 3A MAX

MF-RX014/250-0
Bourns
1: $0.904
11,522In Stock

Mfr. Part No.
MF-RX014/250-0

Mouser Part No
652-MF-RX014/250-0

Bourns

Resettable Fuses - PPTC 60V .145A-HD 3A MAX

Learn More

Datasheet

11,522In Stock

$0.904

$0.776

$0.582

$0.553

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 6V 3.0A-HD 100A MAX

MF-SM300-2
Bourns
1: $0.723
9,145In Stock

Mfr. Part No.
MF-SM300-2

Mouser Part No
652-MF-SM300-2

Bourns

Resettable Fuses - PPTC 6V 3.0A-HD 100A MAX

Learn More

Datasheet

Product Comments

9,145In Stock

Cut Tape

$0.723

$0.548

$0.514

$0.388

View

Reel

$0.249

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Thermal Cut-offs Trip Temp 72c 5c TOL

NR72CB0
Bourns
1: $1.35
4,447In Stock

Mfr. Part No.
NR72CB0

Mouser Part No
652-NR72CB0

Bourns

Thermal Cut-offs Trip Temp 72c 5c TOL

Learn More

Datasheet

4,447In Stock

$1.35

$1.27

$1.13

$0.885

$0.863

Min.: 1
Mult.: 1

Varistors PV 130V 10%

PV130K3225R2
Bourns
1: $0.806
6,531In Stock

Mfr. Part No.
PV130K3225R2

Mouser Part No
652-PV130K3225R2

Bourns

Varistors PV 130V 10%

Learn More

Datasheet

6,531In Stock

Cut Tape

$0.806

$0.506

$0.441

$0.409

Reel

$0.367

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Thermal Cut-offs 77C Reinforced Cover SMD HC TCO

SC77AAA
Bourns
1: $1.81
3,939In Stock

Mfr. Part No.
SC77AAA

Mouser Part No
652-SC77AAA

Bourns

Thermal Cut-offs 77C Reinforced Cover SMD HC TCO

Learn More

Datasheet

3,939In Stock

Cut Tape

$1.81

$1.67

$1.37

$0.813

Reel

$0.799

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 0.75A Fast Acting 0402 SinglFuse

SF-0402F075-2
Bourns
1: $1.07
16,820In Stock

Mfr. Part No.
SF-0402F075-2

Mouser Part No
652-SF-0402F075-2

Bourns

Surface Mount Fuses 0.75A Fast Acting 0402 SinglFuse

Learn More

Datasheet

16,820In Stock

Cut Tape

$1.07

$0.99

$0.821

$0.752

View

Reel

$0.384

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Surface Mount Fuses 1.5A Fast Acting 0402 SinglFuse

SF-0402F150-2
Bourns
1: $0.904
18,685In Stock

Mfr. Part No.
SF-0402F150-2

Mouser Part No
652-SF-0402F150-2

Bourns

Surface Mount Fuses 1.5A Fast Acting 0402 SinglFuse

Learn More

Datasheet

18,685In Stock

Cut Tape

$0.904

$0.752

$0.634

$0.527

View

Reel

$0.31

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Surface Mount Fuses 3A Fast Acting 0402 SinglFuse

SF-0402F300-2
Bourns
1: $0.751
15,111In Stock

Mfr. Part No.
SF-0402F300-2

Mouser Part No
652-SF-0402F300-2

Bourns

Surface Mount Fuses 3A Fast Acting 0402 SinglFuse

Learn More

Datasheet

15,111In Stock

Cut Tape

$0.751

$0.703

$0.627

$0.542

View

Reel

$0.356

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Circuit Protection Devices

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Circuit Protection Devices

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