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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 #

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1200 V

GDT28H-120-B
Bourns
1: $3.02
187In Stock

Mfr. Part No.
GDT28H-120-B

Mouser Part No
652-GDT28H-120-B

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1200 V

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Datasheet

187In Stock

$3.02

$2.61

$2.10

$1.82

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1100 V

GDT28H-110-B
Bourns
1: $3.04
459In Stock

Mfr. Part No.
GDT28H-110-B

Mouser Part No
652-GDT28H-110-B

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1100 V

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Datasheet

459In Stock

$3.04

$2.61

$2.10

$1.79

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V,Bulk

GDT25-42-S1-BK
Bourns
1: $1.65
1,000In Stock

Mfr. Part No.
GDT25-42-S1-BK

Mouser Part No
652-GDT25-42-S1-BK

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V,Bulk

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Datasheet

1,000In Stock

$1.65

$1.33

$1.10

$0.966

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2700 V

GDT28H-270-B
Bourns
1: $3.04
305In Stock

Mfr. Part No.
GDT28H-270-B

Mouser Part No
652-GDT28H-270-B

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2700 V

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Datasheet

305In Stock

$3.04

$2.61

$2.10

$1.79

View

Min.: 1
Mult.: 1

Surface Mount Fuses 1206 slow-blow met-foil. 12A Auto

SF-1206SA1200R-2
Bourns
1: $1.03
9,890In Stock

Mfr. Part No.
SF-1206SA1200R-2

Mouser Part No
652-SF-1206SA1200R-2

Bourns

Surface Mount Fuses 1206 slow-blow met-foil. 12A Auto

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Datasheet

9,890In Stock

Cut Tape

$1.03

$0.952

$0.696

$0.596

View

Reel

$0.442

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.25A/33V

MF-LSMF125/33X-2
Bourns
1: $0.987
2,959In Stock

Mfr. Part No.
MF-LSMF125/33X-2

Mouser Part No
652-MF-LSMF125/33X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.25A/33V

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Datasheet

2,959In Stock

Cut Tape

$0.987

$0.867

$0.746

$0.614

View

Reel

$0.399

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.85/24V

MF-LSMF185/24X-2
Bourns
1: $0.778
2,946In Stock

Mfr. Part No.
MF-LSMF185/24X-2

Mouser Part No
652-MF-LSMF185/24X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.85/24V

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Datasheet

2,946In Stock

Cut Tape

$0.778

$0.712

$0.632

$0.555

View

Reel

$0.471

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

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

MF-LSMF125X-2
Bourns
1: $0.348
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

$0.348

$0.343

Reel

$0.342

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 350V

GDT35-35-S1-RP
Bourns
1: $2.27
1,587In Stock

Mfr. Part No.
GDT35-35-S1-RP

Mouser Part No
652-GDT35-35-S1-RP

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 350V

Learn More

Datasheet

1,587In Stock

Cut Tape

$2.27

$2.10

$1.74

$1.60

Reel

$1.14

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V

GDT35-42-S1-RP
Bourns
1: $2.27
1,978In Stock

Mfr. Part No.
GDT35-42-S1-RP

Mouser Part No
652-GDT35-42-S1-RP

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V

Learn More

Datasheet

1,978In Stock

Cut Tape

$2.27

$2.10

$1.74

$1.60

Reel

$1.16

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Varistors CHIP GUARD 24VOLT

CG0402MLU-24G
Bourns
1: $0.50
24,251In Stock

Mfr. Part No.
CG0402MLU-24G

Mouser Part No
652-CG0402MLU-24G

Bourns

Varistors CHIP GUARD 24VOLT

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Datasheet

24,251In Stock

Cut Tape

$0.50

$0.31

$0.267

$0.247

View

Reel

$0.199

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Thermal Cut-offs TRIP TEMP 77C 5C TOL

HC77AY-1
Bourns
1: $2.09
3,413In Stock

Mfr. Part No.
HC77AY-1

Mouser Part No
652-HC77AY-1

Bourns

Thermal Cut-offs TRIP TEMP 77C 5C TOL

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Datasheet

3,413In Stock

$2.09

$1.93

$1.60

$1.47

View

Min.: 1
Mult.: 1

Varistors IsoMOV 3KA 300Vrms Bulk In-Line

IsoM3-300-B-L2
Bourns
1: $1.79
3,265In Stock

Mfr. Part No.
IsoM3-300-B-L2

Mouser Part No
652-ISOM3-300-B-L2

Bourns

Varistors IsoMOV 3KA 300Vrms Bulk In-Line

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Datasheet

3,265In Stock

$1.79

$1.31

$1.18

$1.05

View

Min.: 1
Mult.: 1

Varistors IsoMOV 5KA 420Vrms Bulk In-Line

IsoM5-420-B-L2
Bourns
1: $3.53
5,080In Stock

Mfr. Part No.
IsoM5-420-B-L2

Mouser Part No
652-ISOM5-420-B-L2

Bourns

Varistors IsoMOV 5KA 420Vrms Bulk In-Line

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Datasheet

5,080In Stock

$3.53

$2.22

$1.89

$1.50

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 6V 3.0A-HD 40A MAX

MF-LSMF300X-2
Bourns
1: $1.25
7,626In Stock

Mfr. Part No.
MF-LSMF300X-2

Mouser Part No
652-MF-LSMF300X-2

Bourns

Resettable Fuses - PPTC 6V 3.0A-HD 40A MAX

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Datasheet

7,626In Stock

Cut Tape

$1.25

$1.15

$0.948

$0.877

View

Reel

$0.491

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

Resettable Fuses - PPTC 60V .5A-HD 40A MAX

MF-R050-2
Bourns
1: $0.723
11,952In Stock

Mfr. Part No.
MF-R050-2

Mouser Part No
652-MF-R050-2

Bourns

Resettable Fuses - PPTC 60V .5A-HD 40A MAX

Learn More

Datasheet

11,952In Stock

Cut Tape

$0.723

$0.646

$0.548

$0.464

Reel

$0.314

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC PTC RESETTABLE 2.5A 30V RADIAL LEADED

MF-R250-0-14
Bourns
1: $0.904
7,904In Stock

Mfr. Part No.
MF-R250-0-14

Mouser Part No
652-MF-R250-0-14

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 2.5A 30V RADIAL LEADED

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Datasheet

7,904In Stock

$0.904

$0.685

$0.642

$0.485

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX

MF-R250-2
Bourns
1: $0.89
8,146In Stock

Mfr. Part No.
MF-R250-2

Mouser Part No
652-MF-R250-2

Bourns

Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX

Learn More

Datasheet

8,146In Stock

Cut Tape

$0.89

$0.684

$0.641

$0.484

Reel

$0.352

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC PTC 2.0A 16V RADIAL LEADED HI-TEMP

MF-RHT200-2
Bourns
1: $1.03
11,614In Stock

Mfr. Part No.
MF-RHT200-2

Mouser Part No
652-MF-RHT200-2

Bourns

Resettable Fuses - PPTC PTC 2.0A 16V RADIAL LEADED HI-TEMP

Learn More

Datasheet

11,614In Stock

Cut Tape

$1.03

$0.798

$0.748

$0.564

Reel

$0.411

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 72V 1.6A-HD 40A MAX

MF-RX160/72-0
Bourns
1: $0.473
12,866In Stock

Mfr. Part No.
MF-RX160/72-0

Mouser Part No
652-MF-RX160/72-0

Bourns

Resettable Fuses - PPTC 72V 1.6A-HD 40A MAX

Learn More

Datasheet

12,866In Stock

$0.473

$0.436

$0.391

$0.378

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 60V 300MA-HD 10A MAX

MF-SMDF030-2
Bourns
1: $0.751
59,341In Stock

Mfr. Part No.
MF-SMDF030-2

Mouser Part No
652-MF-SMDF030-2

Bourns

Resettable Fuses - PPTC 60V 300MA-HD 10A MAX

Learn More

Datasheet

59,341In Stock

Cut Tape

$0.751

$0.571

$0.535

$0.404

View

Reel

$0.366

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

Varistors PV 300V 10%

PV300K3225R2
Bourns
1: $0.806
9,851In Stock

Mfr. Part No.
PV300K3225R2

Mouser Part No
652-PV300K3225R2

Bourns

Varistors PV 300V 10%

Learn More

Datasheet

9,851In Stock

Cut Tape

$0.806

$0.506

$0.441

$0.41

Reel

$0.374

View

Min.: 1
Mult.: 1

Reel: 1,000

Thermal Cut-offs 77C Low Profile SMD HC TCO

SC77AAB
Bourns
1: $1.47
9,556In Stock

Mfr. Part No.
SC77AAB

Mouser Part No
652-SC77AAB

Bourns

Thermal Cut-offs 77C Low Profile SMD HC TCO

Learn More

Datasheet

9,556In Stock

Cut Tape

$1.47

$1.35

$1.12

$0.719

$0.651

Reel

$0.626

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 0.5A Fast Acting 0402 SinglFuse

SF-0402F050-2
Bourns
1: $0.57
15,114In Stock

Mfr. Part No.
SF-0402F050-2

Mouser Part No
652-SF-0402F050-2

Bourns

Surface Mount Fuses 0.5A Fast Acting 0402 SinglFuse

Learn More

Datasheet

15,114In Stock

Cut Tape

$0.57

$0.396

$0.345

$0.32

Reel

$0.32

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Surface Mount Fuses 0.4A Fast Acting 0603 Singlfuse

SF-0603F040-2
Bourns
1: $0.848
6,946In Stock

Mfr. Part No.
SF-0603F040-2

Mouser Part No
652-SF-0603F040-2

Bourns

Surface Mount Fuses 0.4A Fast Acting 0603 Singlfuse

Learn More

Datasheet

6,946In Stock

Cut Tape

$0.848

$0.708

$0.596

$0.496

View

Reel

$0.313

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Circuit Protection Devices

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Circuit Protection Devices

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