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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 (8,016)

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Part #

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A

PF-1NH100E400B2
Bourns
1: $525.27
4In Stock
New Product

Mfr. Part #
PF-1NH100E400B2

Mouser Part #
652-PF-1NH100E400B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A

Learn More

Datasheet

4In Stock

$525.27

$417.67

$384.90

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 550A

PF-1NH100E550B2
Bourns
1: $525.27
4In Stock
New Product

Mfr. Part #
PF-1NH100E550B2

Mouser Part #
652-PF-1NH100E550B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 550A

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Datasheet

4In Stock

$525.27

$417.67

$384.90

Min.: 1
Mult.: 1

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

CDSOD323-T12SC-Q
Bourns
1: $1.73
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

$1.73

$1.08

$0.71

$0.553

Reel

$0.428

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 315A

PF-01N100E315B2
Bourns
1: $479.58
6In Stock
New Product

Mfr. Part #
PF-01N100E315B2

Mouser Part #
652-PF-01N100E315B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 315A

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Datasheet

6In Stock

$479.58

$397.90

$339.70

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 5V BI SOD323

CDSOD323-T12C-Q
Bourns
1: $1.71
2,083In 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

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Datasheet

2,083In Stock

Cut Tape

$1.71

$1.07

$0.70

$0.541

Reel

$0.428

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

CDSOT23-SM712-Q
Bourns
1: $2.17
1,972In 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

1,972In Stock

24,000On Order

Cut Tape

$2.17

$1.37

$0.91

$0.711

Reel

$0.557

View

Min.: 1
Mult.: 1

: 3,000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 450A

PF-1NH100E450B2
Bourns
1: $525.27
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

$525.27

$417.67

$384.90

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 500A

PF-1NH100E500B2
Bourns
1: $525.27
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

$525.27

$417.67

$384.90

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 5V UNI

CDDFN2-T5V0SC
Bourns
1: $0.547
8,400In Stock
New Product

Mfr. Part #
CDDFN2-T5V0SC

Mouser Part #
652-CDDFN2-T5V0SC

New Product

Bourns

ESD Protection Diodes / TVS Diodes ESD 5V UNI

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Datasheet

8,400In Stock

Cut Tape

$0.547

$0.38

$0.186

$0.156

Reel

$0.068

View

MouseReel Available

Min.: 1
Mult.: 1

: 12,000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 600A

PF-1NH100E600B2
Bourns
1: $525.27
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

$525.27

$417.67

$384.90

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 350A

PF-01N100E350B2
Bourns
1: $479.58
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

$479.58

$397.90

$339.70

Min.: 1
Mult.: 1

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

CDSOD323-T24LC-Q
Bourns
1: $1.79
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

$1.79

$1.12

$0.734

$0.572

Reel

$0.442

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 250A

PF-01N100E250B2
Bourns
1: $456.55
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

$456.55

$376.96

$323.42

$306.62

Min.: 1
Mult.: 1

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

CDSOD323-T03SC-Q
Bourns
1: $1.73
2,100In 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

2,100In Stock

Cut Tape

$1.73

$1.08

$0.71

$0.553

Reel

$0.428

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: $1.73
2,100In 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

2,100In Stock

Cut Tape

$1.73

$1.08

$0.71

$0.553

Reel

$0.428

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A

PF-01N100E400B2
Bourns
1: $502.47
6In Stock
New Product

Mfr. Part #
PF-01N100E400B2

Mouser Part #
652-PF-01N100E400B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A

Learn More

Datasheet

6In Stock

$502.47

$418.84

$355.88

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 630A

PF-1NH100E630B2
Bourns
1: $525.27
4In Stock
New Product

Mfr. Part #
PF-1NH100E630B2

Mouser Part #
652-PF-1NH100E630B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 630A

Learn More

Datasheet

4In Stock

$525.27

$417.67

$384.90

Min.: 1
Mult.: 1

Fuse Holder CFB1 FUSE BLOCK 150A FUSE

CFB1-150
Bourns
1: $103.55
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

$103.55

$87.55

$82.54

$64.07

$63.53

Min.: 1
Mult.: 1

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

SD90ABB
Bourns
1: $3.38
15,363In Stock

Mfr. Part #
SD90ABB

Mouser Part #
652-SD90ABB

Bourns

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

Learn More

Datasheet

15,363In Stock

Cut Tape

$3.38

$3.12

$2.59

$2.30

View

Reel

$1.57

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Fuse Holder CFB1 FUSE BLOCK, NO FUSE

CFB1-NF
Bourns
1: $74.78
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

$74.78

$62.02

$57.21

$41.93

View

Min.: 1
Mult.: 1

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

GDT35-35-S1-RP
Bourns
1: $2.56
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

$2.56

$2.36

$1.96

$1.81

Reel

$1.30

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: $2.56
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

$2.56

$2.36

$1.96

$1.81

Reel

$1.34

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: $2.56
1,712In 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

1,712In Stock

Cut Tape

$2.56

$2.36

$1.96

$1.81

Reel

$1.29

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: $1.58
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

$1.58

$1.43

$1.20

$1.11

View

Reel

$0.808

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Varistors 20mm Radial Disc MOV - Kinked Leads, Bulk

MOV-20D182KK
Bourns
1: $4.20
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

$4.20

$3.11

$2.84

$2.43

View

Min.: 1
Mult.: 1

Circuit Protection Devices

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Circuit Protection Devices

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Circuit Protection

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