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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: $364.77
4In Stock
New Product

Mfr. Part #
PF-1NH100E400B2

Mouser Part #
652-PF-1NH100E400B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A

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Datasheet

4In Stock

$364.77

$290.05

$267.29

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

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Datasheet

4In Stock

$364.77

$290.05

$267.29

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A

PF-01N100E400B2
Bourns
1: $348.94
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

$348.94

$290.86

$247.14

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 630A

PF-1NH100E630B2
Bourns
1: $364.77
4In Stock
New Product

Mfr. Part #
PF-1NH100E630B2

Mouser Part #
652-PF-1NH100E630B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 630A

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Datasheet

4In Stock

$364.77

$290.05

$267.29

Min.: 1
Mult.: 1

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

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Datasheet

4In Stock

$364.77

$290.05

$267.29

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 5V BI SOD323

CDSOD323-T05C-Q
Bourns
1: $1.19
577In Stock
12,000Expected 11/10/2026
New Product

Mfr. Part #
CDSOD323-T05C-Q

Mouser Part #
652-CDSOD323-T05C-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes ESD 5V BI SOD323

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Datasheet

577In Stock

12,000Expected 11/10/2026

Cut Tape

$1.19

$0.741

$0.486

$0.376

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

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Datasheet

6In Stock

$333.04

$276.32

$235.90

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 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 ESD 5V BI SOD323

CDSOD323-T12C-Q
Bourns
1: $1.19
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

Learn More

Datasheet

2,083In 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
1,987In 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

1,987In Stock

24,000On Order

Cut Tape

$1.51

$0.954

$0.632

$0.494

Reel

$0.387

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

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

PTVS1-026C-H
Bourns
1: $4.37
10,243In Stock

Mfr. Part #
PTVS1-026C-H

Mouser Part #
652-PTVS1-026C-H

Bourns

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

Learn More

Datasheet

10,243In Stock

Cut Tape

$4.37

$3.04

$2.61

$2.53

$2.31

Reel

$2.27

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

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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
15,368In Stock

Mfr. Part #
SD90ABB

Mouser Part #
652-SD90ABB

Bourns

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

Learn More

Datasheet

15,368In Stock

Cut Tape

$2.35

$2.17

$1.80

$1.60

View

Reel

$1.09

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

PTVS1-029C-H
Bourns
1: $4.37
7,549In Stock

Mfr. Part #
PTVS1-029C-H

Mouser Part #
652-PTVS1-029C-H

Bourns

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

Learn More

Datasheet

7,549In Stock

Cut Tape

$4.37

$3.04

$2.61

$2.53

$2.31

Reel

$2.28

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

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Datasheet

27In Stock

$71.91

$60.80

$57.32

$44.49

$44.12

Min.: 1
Mult.: 1

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

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

$0.90

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

$0.928

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
1,712In 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

$1.78

$1.64

$1.36

$1.26

Reel

$0.894

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Varistors 20mm Radial Disc MOV - Kinked Leads, Bulk

MOV-20D182KK
Bourns
1: $2.92
A tariff of 8% may be applied if shipping to the United States.
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

A tariff of 8% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

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

MOV-20D781KKTR
Bourns
1: $2.06
A tariff of 8% may be applied if shipping to the United States.
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

A tariff of 8% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

: 250

Varistors 14mm Radial Disc MOV - Kinked Leads, T&R

MOV-14D271KKTR
Bourns
1: $0.84
A tariff of 8% may be applied if shipping to the United States.
17,499In Stock

Mfr. Part #
MOV-14D271KKTR

Mouser Part #
652-MOV-14D271KKTR

Bourns

Varistors 14mm Radial Disc MOV - Kinked Leads, T&R

Learn More

Datasheet

17,499In Stock

Cut Tape

$0.84

$0.506

$0.318

$0.279

Reel

$0.238

View

MouseReel Available

A tariff of 8% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

: 500

Circuit Protection Devices

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Circuit Protection Devices

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