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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 600A

PF-1NH100E600B2
Bourns
1: $496.09
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

$496.09

$394.47

$363.51

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 5V BI SOD323

CDSOD323-T05C-Q
Bourns
1: $1.62
612In Stock
12,000Expected 10/11/2026
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

612In Stock

12,000Expected 10/11/2026

Cut Tape

$1.62

$1.01

$0.661

$0.511

Reel

$0.404

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 315A

PF-01N100E315B2
Bourns
1: $452.93
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

$452.93

$375.80

$320.82

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A

PF-1NH100E400B2
Bourns
1: $496.09
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

$496.09

$394.47

$363.51

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 550A

PF-1NH100E550B2
Bourns
1: $496.09
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

$496.09

$394.47

$363.51

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 5V BI SOD323

CDSOD323-T12C-Q
Bourns
1: $1.62
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

$1.62

$1.01

$0.661

$0.511

Reel

$0.404

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

CDSOT23-SM712-Q
Bourns
1: $2.05
2,185In 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

2,185In Stock

24,000On Order

Cut Tape

$2.05

$1.30

$0.86

$0.672

Reel

$0.526

View

Min.: 1
Mult.: 1

: 3,000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 450A

PF-1NH100E450B2
Bourns
1: $496.09
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

Learn More

Datasheet

4In Stock

$496.09

$394.47

$363.51

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 500A

PF-1NH100E500B2
Bourns
1: $496.09
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

Learn More

Datasheet

4In Stock

$496.09

$394.47

$363.51

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A

PF-01N100E400B2
Bourns
1: $474.56
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

Learn More

Datasheet

6In Stock

$474.56

$395.57

$336.11

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 630A

PF-1NH100E630B2
Bourns
1: $496.09
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

$496.09

$394.47

$363.51

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 350A

PF-01N100E350B2
Bourns
1: $452.93
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

Learn More

Datasheet

6In Stock

$452.93

$375.80

$320.82

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 250A

PF-01N100E250B2
Bourns
1: $431.19
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

$431.19

$356.02

$305.46

$289.58

Min.: 1
Mult.: 1

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

PTVS1-026C-H
Bourns
1: $5.94
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

Learn More

Datasheet

10,243In Stock

Cut Tape

$5.94

$3.96

$3.55

$3.44

$3.24

Reel

$3.07

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

PTVS1-029C-H
Bourns
1: $5.94
7,559In 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

7,559In Stock

Cut Tape

$5.94

$3.96

$3.55

$3.44

$3.24

Reel

$3.09

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Fuse Holder CFB1 FUSE BLOCK 150A FUSE

CFB1-150
Bourns
1: $97.80
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

$97.80

$82.69

$77.96

$60.51

$60.00

Min.: 1
Mult.: 1

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

SD90ABB
Bourns
1: $3.20
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

$3.20

$2.95

$2.45

$2.18

View

Reel

$1.39

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Fuse Holder CFB1 FUSE BLOCK, NO FUSE

CFB1-NF
Bourns
1: $70.62
22In 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

22In Stock

$70.62

$58.58

$54.03

$39.60

View

Min.: 1
Mult.: 1

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

GDT35-35-S1-RP
Bourns
1: $2.42
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

$2.42

$2.23

$1.85

$1.71

Reel

$1.22

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: $2.42
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

$2.42

$2.23

$1.85

$1.71

Reel

$1.22

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: $2.42
1,762In 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

1,762In Stock

Cut Tape

$2.42

$2.23

$1.85

$1.71

Reel

$1.22

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: $1.50
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

$1.50

$1.35

$1.14

$1.05

View

Reel

$0.763

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

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

2510-2L6-48
Bourns
1: $112.77
108In Stock

Mfr. Part No.
2510-2L6-48

Mouser Part No
652-2510-2L6-48

Bourns

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

Learn More

Datasheet

108In Stock

$112.77

$93.94

$89.01

$89.00

View

Min.: 1
Mult.: 1

Varistors 20mm Radial Disc MOV - Kinked Leads, Bulk

MOV-20D182KK
Bourns
1: $3.97
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

$3.97

$2.94

$2.68

$2.30

View

Min.: 1
Mult.: 1

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

MOV-20D781KKTR
Bourns
1: $2.80
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

$2.80

$1.75

$1.58

$1.29

Reel

$1.20

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

Circuit Protection Devices

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Circuit Protection Devices

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