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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: $3.36
187In Stock

Mfr. Part #
GDT28H-120-B

Mouser Part #
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

$3.36

$2.91

$2.34

$2.03

View

Min.: 1
Mult.: 1

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

GDT28H-110-B
Bourns
1: $3.39
459In Stock

Mfr. Part #
GDT28H-110-B

Mouser Part #
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

$3.39

$2.91

$2.34

$2.00

View

Min.: 1
Mult.: 1

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

GDT25-42-S1-BK
Bourns
1: $1.84
1,000In Stock

Mfr. Part #
GDT25-42-S1-BK

Mouser Part #
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

$1.84

$1.48

$1.23

$1.08

View

Min.: 1
Mult.: 1

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

GDT28H-270-B
Bourns
1: $3.39
305In Stock

Mfr. Part #
GDT28H-270-B

Mouser Part #
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

$3.39

$2.91

$2.34

$2.00

View

Min.: 1
Mult.: 1

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

SF-1206SA1200R-2
Bourns
1: $1.15
9,890In Stock

Mfr. Part #
SF-1206SA1200R-2

Mouser Part #
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

$1.15

$1.06

$0.777

$0.665

View

Reel

$0.493

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: $1.10
2,959In Stock

Mfr. Part #
MF-LSMF125/33X-2

Mouser Part #
652-MF-LSMF125/33X-2

Bourns

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

Learn More

Datasheet

2,959In Stock

Cut Tape

$1.10

$0.967

$0.832

$0.685

View

Reel

$0.445

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: $0.868
2,946In Stock

Mfr. Part #
MF-LSMF185/24X-2

Mouser Part #
652-MF-LSMF185/24X-2

Bourns

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

Learn More

Datasheet

2,946In Stock

Cut Tape

$0.868

$0.794

$0.705

$0.618

View

Reel

$0.525

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

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

MF-LSMF125X-2
Bourns
1: $0.388
8,441In Stock

Mfr. Part #
MF-LSMF125X-2

Mouser Part #
652-MF-LSMF125X-2

Bourns

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

Learn More

Datasheet

8,441In Stock

Cut Tape

$0.388

$0.383

Reel

$0.381

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: $2.53
1,587In Stock

Mfr. Part #
GDT35-35-S1-RP

Mouser Part #
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

$2.53

$2.34

$1.94

$1.78

Reel

$1.27

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: $2.53
1,978In Stock

Mfr. Part #
GDT35-42-S1-RP

Mouser Part #
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

$2.53

$2.34

$1.94

$1.78

Reel

$1.29

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Varistors CHIP GUARD 24VOLT

CG0402MLU-24G
Bourns
1: $0.558
24,251In Stock

Mfr. Part #
CG0402MLU-24G

Mouser Part #
652-CG0402MLU-24G

Bourns

Varistors CHIP GUARD 24VOLT

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Datasheet

24,251In Stock

Cut Tape

$0.558

$0.346

$0.298

$0.276

View

Reel

$0.222

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Thermal Cutoffs TRIP TEMP 77C 5C TOL

HC77AY-1
Bourns
1: $2.33
3,413In Stock

Mfr. Part #
HC77AY-1

Mouser Part #
652-HC77AY-1

Bourns

Thermal Cutoffs TRIP TEMP 77C 5C TOL

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Datasheet

3,413In Stock

$2.33

$2.15

$1.78

$1.64

View

Min.: 1
Mult.: 1

Varistors IsoMOV 3KA 300Vrms Bulk In-Line

IsoM3-300-B-L2
Bourns
1: $2.00
3,265In Stock

Mfr. Part #
IsoM3-300-B-L2

Mouser Part #
652-ISOM3-300-B-L2

Bourns

Varistors IsoMOV 3KA 300Vrms Bulk In-Line

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Datasheet

3,265In Stock

$2.00

$1.46

$1.32

$1.17

View

Min.: 1
Mult.: 1

Varistors IsoMOV 5KA 420Vrms Bulk In-Line

IsoM5-420-B-L2
Bourns
1: $3.94
5,080In Stock

Mfr. Part #
IsoM5-420-B-L2

Mouser Part #
652-ISOM5-420-B-L2

Bourns

Varistors IsoMOV 5KA 420Vrms Bulk In-Line

Learn More

Datasheet

5,080In Stock

$3.94

$2.48

$2.11

$1.67

View

Min.: 1
Mult.: 1

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

MF-LSMF300X-2
Bourns
1: $1.40
7,626In Stock

Mfr. Part #
MF-LSMF300X-2

Mouser Part #
652-MF-LSMF300X-2

Bourns

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

Learn More

Datasheet

7,626In Stock

Cut Tape

$1.40

$1.28

$1.06

$0.978

View

Reel

$0.547

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

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

MF-R050-2
Bourns
1: $0.806
11,952In Stock

Mfr. Part #
MF-R050-2

Mouser Part #
652-MF-R050-2

Bourns

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

Learn More

Datasheet

11,952In Stock

Cut Tape

$0.806

$0.721

$0.611

$0.518

Reel

$0.35

View

Min.: 1
Mult.: 1

Reel: 3,000

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

MF-R250-0-14
Bourns
1: $1.01
7,904In Stock

Mfr. Part #
MF-R250-0-14

Mouser Part #
652-MF-R250-0-14

Bourns

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

Learn More

Datasheet

7,904In Stock

$1.01

$0.764

$0.716

$0.541

View

Min.: 1
Mult.: 1

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

MF-R250-2
Bourns
1: $0.992
8,146In Stock

Mfr. Part #
MF-R250-2

Mouser Part #
652-MF-R250-2

Bourns

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

Learn More

Datasheet

8,146In Stock

Cut Tape

$0.992

$0.763

$0.715

$0.539

Reel

$0.392

View

Min.: 1
Mult.: 1

Reel: 3,000

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

MF-RHT200-2
Bourns
1: $1.15
11,614In Stock

Mfr. Part #
MF-RHT200-2

Mouser Part #
652-MF-RHT200-2

Bourns

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

Learn More

Datasheet

11,614In Stock

Cut Tape

$1.15

$0.89

$0.834

$0.629

Reel

$0.459

View

Min.: 1
Mult.: 1

Reel: 3,000

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

MF-RX160/72-0
Bourns
1: $0.527
12,866In Stock

Mfr. Part #
MF-RX160/72-0

Mouser Part #
652-MF-RX160/72-0

Bourns

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

Learn More

Datasheet

12,866In Stock

$0.527

$0.487

$0.436

$0.422

View

Min.: 1
Mult.: 1

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

MF-SMDF030-2
Bourns
1: $0.837
59,341In Stock

Mfr. Part #
MF-SMDF030-2

Mouser Part #
652-MF-SMDF030-2

Bourns

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

Learn More

Datasheet

59,341In Stock

Cut Tape

$0.837

$0.637

$0.597

$0.451

View

Reel

$0.408

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

Varistors PV 300V 10%

PV300K3225R2
Bourns
1: $0.899
9,851In Stock

Mfr. Part #
PV300K3225R2

Mouser Part #
652-PV300K3225R2

Bourns

Varistors PV 300V 10%

Learn More

Datasheet

9,851In Stock

Cut Tape

$0.899

$0.564

$0.491

$0.457

Reel

$0.417

View

Min.: 1
Mult.: 1

Reel: 1,000

Thermal Cutoffs 77C Low Profile SMD HC TCO

SC77AAB
Bourns
1: $1.64
9,556In Stock

Mfr. Part #
SC77AAB

Mouser Part #
652-SC77AAB

Bourns

Thermal Cutoffs 77C Low Profile SMD HC TCO

Learn More

Datasheet

9,556In Stock

Cut Tape

$1.64

$1.51

$1.25

$0.801

$0.725

Reel

$0.698

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 0.5A Fast Acting 0402 SinglFuse

SF-0402F050-2
Bourns
1: $0.636
15,114In Stock

Mfr. Part #
SF-0402F050-2

Mouser Part #
652-SF-0402F050-2

Bourns

Surface Mount Fuses 0.5A Fast Acting 0402 SinglFuse

Learn More

Datasheet

15,114In Stock

Cut Tape

$0.636

$0.442

$0.384

$0.357

Reel

$0.357

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Surface Mount Fuses 0.4A Fast Acting 0603 Singlfuse

SF-0603F040-2
Bourns
1: $0.946
6,946In Stock

Mfr. Part #
SF-0603F040-2

Mouser Part #
652-SF-0603F040-2

Bourns

Surface Mount Fuses 0.4A Fast Acting 0603 Singlfuse

Learn More

Datasheet

6,946In Stock

Cut Tape

$0.946

$0.789

$0.665

$0.553

View

Reel

$0.349

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Circuit Protection Devices

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Circuit Protection Devices

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