.hide-partial { max-height: none; } .show-more { display: none; }

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 (8,016)

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

ESD Protection Diodes / TVS Diodes ESD 5V BI SOD323

CDSOD323-T12C-Q
Bourns
1: $1.19
2,081In Stock
New Product

Mfr. Part #
CDSOD323-T12C-Q

Mouser Part #
652-CDSOD323-T12C-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes ESD 5V BI SOD323

Learn More

Datasheet

2,081In Stock

Cut Tape

$1.19

$0.741

$0.486

$0.376

Reel

$0.297

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes TVS 7V/12V AEC-Q101

CDSOT23-SM712-Q
Bourns
1: $1.51
1,418In Stock
24,000On Order
New Product

Mfr. Part #
CDSOT23-SM712-Q

Mouser Part #
652-CDSOT23-SM712-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes TVS 7V/12V AEC-Q101

Learn More

Datasheet

1,418In Stock

24,000On Order

Cut Tape

$1.51

$0.837

$0.632

$0.494

Reel

$0.362

View

Min.: 1
Mult.: 1

: 3,000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 450A

PF-1NH100E450B2
Bourns
1: $364.77
4In Stock
New Product

Mfr. Part #
PF-1NH100E450B2

Mouser Part #
652-PF-1NH100E450B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 450A

Learn More

Datasheet

4In Stock

$364.77

$290.05

$267.29

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 500A

PF-1NH100E500B2
Bourns
1: $364.77
4In Stock
New Product

Mfr. Part #
PF-1NH100E500B2

Mouser Part #
652-PF-1NH100E500B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 500A

Learn More

Datasheet

4In Stock

$364.77

$290.05

$267.29

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 350A

PF-01N100E350B2
Bourns
1: $333.04
6In Stock
New Product

Mfr. Part #
PF-01N100E350B2

Mouser Part #
652-PF-01N100E350B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 350A

Learn More

Datasheet

6In Stock

$333.04

$276.32

$235.90

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 550A

PF-1NH100E550B2
Bourns
1: $364.77
4In Stock
New Product

Mfr. Part #
PF-1NH100E550B2

Mouser Part #
652-PF-1NH100E550B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 550A

Learn More

Datasheet

4In Stock

$364.77

$290.05

$267.29

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes DIO TVS VWM 12V 400W BIDIR SOD323 AUTO GRADE

CDSOD323-T12SC-Q
Bourns
1: $1.20
2,100In Stock
New Product

Mfr. Part #
CDSOD323-T12SC-Q

Mouser Part #
652-CDSOD323-T12SC-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 12V 400W BIDIR SOD323 AUTO GRADE

Learn More

Datasheet

2,100In Stock

Cut Tape

$1.20

$0.75

$0.493

$0.384

Reel

$0.297

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 315A

PF-01N100E315B2
Bourns
1: $333.04
6In Stock
New Product

Mfr. Part #
PF-01N100E315B2

Mouser Part #
652-PF-01N100E315B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 315A

Learn More

Datasheet

6In Stock

$333.04

$276.32

$235.90

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes DIO TVS VWM 24V 350W BIDIR SOD323 Automotive

CDSOD323-T24LC-Q
Bourns
1: $1.24
2,044In Stock
New Product

Mfr. Part #
CDSOD323-T24LC-Q

Mouser Part #
652-CDSOD323-T24LC-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 24V 350W BIDIR SOD323 Automotive

Learn More

Datasheet

2,044In Stock

Cut Tape

$1.24

$0.776

$0.51

$0.397

Reel

$0.307

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 250A

PF-01N100E250B2
Bourns
1: $317.05
6In Stock
New Product

Mfr. Part #
PF-01N100E250B2

Mouser Part #
652-PF-01N100E250B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 250A

Learn More

Datasheet

6In Stock

$317.05

$261.78

$224.60

$212.93

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes DIO TVS VWM 03V 400W BIDIR SOD323 AUTO GRADE

CDSOD323-T03SC-Q
Bourns
1: $1.20
2,030In Stock
New Product

Mfr. Part #
CDSOD323-T03SC-Q

Mouser Part #
652-CDSOD323-T03SC-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 03V 400W BIDIR SOD323 AUTO GRADE

Learn More

Datasheet

2,030In Stock

Cut Tape

$1.20

$0.75

$0.493

$0.384

Reel

$0.297

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes DIO TVS VWM 36V 400W BIDIR SOD323 AUTO GRADE

CDSOD323-T36SC-Q
Bourns
1: $1.20
2,099In Stock
New Product

Mfr. Part #
CDSOD323-T36SC-Q

Mouser Part #
652-CDSOD323-T36SC-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 36V 400W BIDIR SOD323 AUTO GRADE

Learn More

Datasheet

2,099In Stock

Cut Tape

$1.20

$0.75

$0.493

$0.384

Reel

$0.297

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes ESD 3.3V BI

CDDFN2-T3V3SC
Bourns
1: $0.42
8,400In Stock
New Product

Mfr. Part #
CDDFN2-T3V3SC

Mouser Part #
652-CDDFN2-T3V3SC

New Product

Bourns

ESD Protection Diodes / TVS Diodes ESD 3.3V BI

Learn More

Datasheet

8,400In Stock

Cut Tape

$0.42

$0.291

$0.143

$0.119

Reel

$0.052

View

MouseReel Available

Min.: 1
Mult.: 1

: 12,000

ESD Protection Diodes / TVS Diodes ESD 5V UNI

CDDFN2-T5V0SC
Bourns
1: $0.38
8,393In Stock
New Product

Mfr. Part #
CDDFN2-T5V0SC

Mouser Part #
652-CDDFN2-T5V0SC

New Product

Bourns

ESD Protection Diodes / TVS Diodes ESD 5V UNI

Learn More

Datasheet

8,393In Stock

Cut Tape

$0.38

$0.264

$0.129

$0.108

Reel

$0.05

View

MouseReel Available

Min.: 1
Mult.: 1

: 12,000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 600A

PF-1NH100E600B2
Bourns
1: $364.77
4In Stock
New Product

Mfr. Part #
PF-1NH100E600B2

Mouser Part #
652-PF-1NH100E600B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 600A

Learn More

Datasheet

4In Stock

$364.77

$290.05

$267.29

Min.: 1
Mult.: 1

Fuse Holder CFB1 FUSE BLOCK 150A FUSE

CFB1-150
Bourns
1: $71.91
27In Stock
New Product

Mfr. Part #
CFB1-150

Mouser Part #
652-CFB1-150

New Product

Bourns

Fuse Holder CFB1 FUSE BLOCK 150A FUSE

Learn More

Datasheet

27In Stock

$71.91

$60.80

$57.32

$44.49

$44.12

Min.: 1
Mult.: 1

Fuse Holder CFB1 FUSE BLOCK, NO FUSE

CFB1-NF
Bourns
1: $51.93
21In Stock
New Product

Mfr. Part #
CFB1-NF

Mouser Part #
652-CFB1-NF

New Product

Bourns

Fuse Holder CFB1 FUSE BLOCK, NO FUSE

Learn More

Datasheet

21In Stock

$51.93

$43.07

$39.73

$29.12

View

Min.: 1
Mult.: 1

Thermal Cutoffs TCO, High Current, SMD, 90C, Self Hold AEC-Q200

SD90ABB
Bourns
1: $2.35
15,263In Stock

Mfr. Part #
SD90ABB

Mouser Part #
652-SD90ABB

Bourns

Thermal Cutoffs TCO, High Current, SMD, 90C, Self Hold AEC-Q200

Learn More

Datasheet

15,263In Stock

Cut Tape

$2.35

$2.17

$1.80

$1.60

View

Reel

$1.02

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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

GDT35-35-S1-RP
Bourns
1: $1.78
1,573In 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

1,573In Stock

Cut Tape

$1.78

$1.64

$1.36

$1.26

Reel

$0.889

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

GDT35-42-S1-RP
Bourns
1: $1.78
1,965In 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

1,965In Stock

Cut Tape

$1.78

$1.64

$1.36

$1.26

Reel

$0.903

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V

GDT35-47-S1-RP
Bourns
1: $1.78
1,682In Stock

Mfr. Part #
GDT35-47-S1-RP

Mouser Part #
652-GDT35-47-S1-RP

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V

Learn More

Datasheet

1,682In Stock

Cut Tape

$1.78

$1.64

$1.36

$1.26

Reel

$0.894

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V, REEL

GDT25-47-S1-RP
Bourns
1: $1.10
2,812In Stock

Mfr. Part #
GDT25-47-S1-RP

Mouser Part #
652-GDT25-47-S1-RP

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V, REEL

Learn More

Datasheet

2,812In Stock

Cut Tape

$1.10

$0.994

$0.836

$0.772

View

Reel

$0.561

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Varistors 20mm Radial Disc MOV - Kinked Leads, Bulk

MOV-20D182KK
Bourns
1: $2.92
3,224In Stock

Mfr. Part #
MOV-20D182KK

Mouser Part #
652-MOV-20D182KK

Bourns

Varistors 20mm Radial Disc MOV - Kinked Leads, Bulk

Learn More

Datasheet

3,224In Stock

$2.92

$2.16

$1.97

$1.69

View

Min.: 1
Mult.: 1

Varistors 20mm Radial Disc MOV - Kinked Leads, T&R

MOV-20D781KKTR
Bourns
1: $2.06
3,974In Stock

Mfr. Part #
MOV-20D781KKTR

Mouser Part #
652-MOV-20D781KKTR

Bourns

Varistors 20mm Radial Disc MOV - Kinked Leads, T&R

Learn More

Datasheet

3,974In Stock

Cut Tape

$2.06

$1.29

$1.16

$0.948

Reel

$0.885

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

Industrial Surge Protectors DATA and SIGNAL SPD,2L,110V,Circuit 6

2510-2L6-48
Bourns
1: $82.92
108In Stock

Mfr. Part #
2510-2L6-48

Mouser Part #
652-2510-2L6-48

Bourns

Industrial Surge Protectors DATA and SIGNAL SPD,2L,110V,Circuit 6

Learn More

Datasheet

108In Stock

$82.92

$69.07

$65.45

$65.44

View

Min.: 1
Mult.: 1

Circuit Protection Devices

All Results (8,016)

Customer Service Office

Company

Resources

Support

Circuit Protection Devices

All Results (8,016)

Circuit Protection

Industrial Automation

Semiconductors

Thermal Management