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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 350A

PF-01N100E350B2
Bourns
1: CHF 264.07
6In Stock
New Product

Mfr. Part No.
PF-01N100E350B2

Mouser Part No
652-PF-01N100E350B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 350A

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Datasheet

6In Stock

CHF 264.07

CHF 219.10

CHF 187.05

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A

PF-01N100E400B2
Bourns
1: CHF 276.68
6In Stock
New Product

Mfr. Part No.
PF-01N100E400B2

Mouser Part No
652-PF-01N100E400B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A

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Datasheet

6In Stock

CHF 276.68

CHF 230.63

CHF 195.96

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 630A

PF-1NH100E630B2
Bourns
1: CHF 289.23
4In Stock
New Product

Mfr. Part No.
PF-1NH100E630B2

Mouser Part No
652-PF-1NH100E630B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 630A

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Datasheet

4In Stock

CHF 289.23

CHF 229.98

CHF 211.94

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A

PF-1NH100E400B2
Bourns
1: CHF 289.23
4In Stock
New Product

Mfr. Part No.
PF-1NH100E400B2

Mouser Part No
652-PF-1NH100E400B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A

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Datasheet

4In Stock

CHF 289.23

CHF 229.98

CHF 211.94

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 550A

PF-1NH100E550B2
Bourns
1: CHF 289.23
4In Stock
New Product

Mfr. Part No.
PF-1NH100E550B2

Mouser Part No
652-PF-1NH100E550B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 550A

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Datasheet

4In Stock

CHF 289.23

CHF 229.98

CHF 211.94

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 600A

PF-1NH100E600B2
Bourns
1: CHF 289.23
4In Stock
New Product

Mfr. Part No.
PF-1NH100E600B2

Mouser Part No
652-PF-1NH100E600B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 600A

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Datasheet

4In Stock

CHF 289.23

CHF 229.98

CHF 211.94

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 250A

PF-01N100E250B2
Bourns
1: CHF 251.39
6In Stock
New Product

Mfr. Part No.
PF-01N100E250B2

Mouser Part No
652-PF-01N100E250B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 250A

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Datasheet

6In Stock

CHF 251.39

CHF 207.57

CHF 178.09

CHF 168.84

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 5V BI SOD323

CDSOD323-T05C-Q
Bourns
1: CHF 0.94
559In Stock
12’000Expected 11/10/2026
New Product

Mfr. Part No.
CDSOD323-T05C-Q

Mouser Part No
652-CDSOD323-T05C-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes ESD 5V BI SOD323

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Datasheet

559In Stock

12’000Expected 11/10/2026

Cut Tape

CHF 0.94

CHF 0.587

CHF 0.385

CHF 0.298

Reel

CHF 0.235

View

MouseReel Available

Min.: 1
Mult.: 1

: 3’000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 315A

PF-01N100E315B2
Bourns
1: CHF 264.07
6In Stock
New Product

Mfr. Part No.
PF-01N100E315B2

Mouser Part No
652-PF-01N100E315B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 315A

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Datasheet

6In Stock

CHF 264.07

CHF 219.10

CHF 187.05

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 5V BI SOD323

CDSOD323-T12C-Q
Bourns
1: CHF 0.94
2’083In Stock
New Product

Mfr. Part No.
CDSOD323-T12C-Q

Mouser Part No
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

CHF 0.94

CHF 0.587

CHF 0.385

CHF 0.298

Reel

CHF 0.235

View

MouseReel Available

Min.: 1
Mult.: 1

: 3’000

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

CDSOT23-SM712-Q
Bourns
1: CHF 1.20
1’979In Stock
24’000On Order
New Product

Mfr. Part No.
CDSOT23-SM712-Q

Mouser Part No
652-CDSOT23-SM712-Q

New Product

Bourns

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

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Datasheet

1’979In Stock

24’000On Order

Cut Tape

CHF 1.20

CHF 0.756

CHF 0.502

CHF 0.392

Reel

CHF 0.307

View

Min.: 1
Mult.: 1

: 3’000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 450A

PF-1NH100E450B2
Bourns
1: CHF 289.23
4In Stock
New Product

Mfr. Part No.
PF-1NH100E450B2

Mouser Part No
652-PF-1NH100E450B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 450A

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Datasheet

4In Stock

CHF 289.23

CHF 229.98

CHF 211.94

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 500A

PF-1NH100E500B2
Bourns
1: CHF 289.23
4In Stock
New Product

Mfr. Part No.
PF-1NH100E500B2

Mouser Part No
652-PF-1NH100E500B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 500A

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Datasheet

4In Stock

CHF 289.23

CHF 229.98

CHF 211.94

Min.: 1
Mult.: 1

Fuse Holder CFB1 FUSE BLOCK, NO FUSE

CFB1-NF
Bourns
1: CHF 41.18
21In Stock
New Product

Mfr. Part No.
CFB1-NF

Mouser Part No
652-CFB1-NF

New Product

Bourns

Fuse Holder CFB1 FUSE BLOCK, NO FUSE

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Datasheet

21In Stock

CHF 41.18

CHF 34.15

CHF 31.50

CHF 23.09

View

Min.: 1
Mult.: 1

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

PTVS1-026C-H
Bourns
1: CHF 3.47
10’243In Stock

Mfr. Part No.
PTVS1-026C-H

Mouser Part No
652-PTVS1-026C-H

Bourns

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

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Datasheet

10’243In Stock

Cut Tape

CHF 3.47

CHF 2.41

CHF 2.07

CHF 2.01

CHF 1.83

Reel

CHF 1.80

MouseReel Available

Min.: 1
Mult.: 1

: 2’500

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

SD90ABB
Bourns
1: CHF 1.86
15’368In Stock

Mfr. Part No.
SD90ABB

Mouser Part No
652-SD90ABB

Bourns

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

Learn More

Datasheet

15’368In Stock

Cut Tape

CHF 1.86

CHF 1.72

CHF 1.43

CHF 1.27

View

Reel

CHF 0.864

MouseReel Available

Min.: 1
Mult.: 1

: 4’000

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

PTVS1-029C-H
Bourns
1: CHF 3.47
7’549In Stock

Mfr. Part No.
PTVS1-029C-H

Mouser Part No
652-PTVS1-029C-H

Bourns

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

Learn More

Datasheet

7’549In Stock

Cut Tape

CHF 3.47

CHF 2.41

CHF 2.07

CHF 2.01

CHF 1.83

Reel

CHF 1.81

MouseReel Available

Min.: 1
Mult.: 1

: 2’500

Fuse Holder CFB1 FUSE BLOCK 150A FUSE

CFB1-150
Bourns
1: CHF 57.02
27In Stock
New Product

Mfr. Part No.
CFB1-150

Mouser Part No
652-CFB1-150

New Product

Bourns

Fuse Holder CFB1 FUSE BLOCK 150A FUSE

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Datasheet

27In Stock

CHF 57.02

CHF 48.21

CHF 45.45

CHF 35.28

CHF 34.98

Min.: 1
Mult.: 1

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

GDT25-47-S1-RP
Bourns
1: CHF 0.872
2’812In Stock

Mfr. Part No.
GDT25-47-S1-RP

Mouser Part No
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

CHF 0.872

CHF 0.788

CHF 0.663

CHF 0.612

View

Reel

CHF 0.444

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: CHF 1.41
1’573In 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

1’573In Stock

Cut Tape

CHF 1.41

CHF 1.30

CHF 1.08

CHF 0.996

Reel

CHF 0.714

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: CHF 1.41
1’965In 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

1’965In Stock

Cut Tape

CHF 1.41

CHF 1.30

CHF 1.08

CHF 0.996

Reel

CHF 0.736

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: CHF 1.41
1’712In Stock

Mfr. Part No.
GDT35-47-S1-RP

Mouser Part No
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

CHF 1.41

CHF 1.30

CHF 1.08

CHF 0.996

Reel

CHF 0.709

View

MouseReel Available

Min.: 1
Mult.: 1

: 1’000

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

MOV-14D271KKTR
Bourns
1: CHF 0.666
17’499In Stock

Mfr. Part No.
MOV-14D271KKTR

Mouser Part No
652-MOV-14D271KKTR

Bourns

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

Learn More

Datasheet

17’499In Stock

Cut Tape

CHF 0.666

CHF 0.401

CHF 0.252

CHF 0.221

Reel

CHF 0.189

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Varistors 20mm Radial Disc MOV - Kinked Leads, Bulk

MOV-20D182KK
Bourns
1: CHF 2.31
3’224In Stock

Mfr. Part No.
MOV-20D182KK

Mouser Part No
652-MOV-20D182KK

Bourns

Varistors 20mm Radial Disc MOV - Kinked Leads, Bulk

Learn More

Datasheet

3’224In Stock

CHF 2.31

CHF 1.71

CHF 1.56

CHF 1.34

View

Min.: 1
Mult.: 1

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

MOV-20D781KKTR
Bourns
1: CHF 1.63
3’974In Stock

Mfr. Part No.
MOV-20D781KKTR

Mouser Part No
652-MOV-20D781KKTR

Bourns

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

Learn More

Datasheet

3’974In Stock

Cut Tape

CHF 1.63

CHF 1.02

CHF 0.92

CHF 0.751

Reel

CHF 0.702

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

Circuit Protection Devices

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Circuit Protection Devices

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