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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 #

Varistors 20mm Radial Disc MOV - Kinked Leads, Bulk

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

Mfr. Part No.
MOV-20D182KK

Mouser Part No
652-MOV-20D182KK

Bourns

Varistors 20mm Radial Disc MOV - Kinked Leads, Bulk

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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 No.
MOV-20D781KKTR

Mouser Part No
652-MOV-20D781KKTR

Bourns

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

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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

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 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

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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 NextGen HV GDT 8 mm 2700 V

GDT28H-270-BRP
Bourns
1: $1.81
1,909In Stock

Mfr. Part No.
GDT28H-270-BRP

Mouser Part No
652-GDT28H-270-BRP

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2700 V

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Datasheet

1,909In Stock

Cut Tape

$1.81

$1.67

$1.40

$1.28

Reel

$1.02

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

MOV-14D271KKTR
Bourns
1: $0.84
17,499In Stock

Mfr. Part No.
MOV-14D271KKTR

Mouser Part No
652-MOV-14D271KKTR

Bourns

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

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Datasheet

17,499In Stock

Cut Tape

$0.84

$0.506

$0.317

$0.279

Reel

$0.238

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

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

2510-2L6-48
Bourns
1: $82.93
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

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Datasheet

108In Stock

$82.93

$69.08

$65.47

$65.45

View

Min.: 1
Mult.: 1

Thermal Cut-offs TCO, High Current, SMD, 135C, Self Hold AEC-Q200

SDD5ABB
Bourns
1: $2.58
3,814In Stock

Mfr. Part No.
SDD5ABB

Mouser Part No
652-SDD5ABB

Bourns

Thermal Cut-offs TCO, High Current, SMD, 135C, Self Hold AEC-Q200

Datasheet

3,814In Stock

Cut Tape

$2.58

$2.33

$1.88

$1.64

View

Reel

$1.07

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 2.5ohm Y kink bulk

BN-LG15Y2R5MYB
Bourns
1: $0.95
10,231In Stock

Mfr. Part No.
BN-LG15Y2R5MYB

Mouser Part No
652-BN-LG15Y2R5MYB

Bourns

NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 2.5ohm Y kink bulk

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Datasheet

10,231In Stock

$0.95

$0.744

$0.641

$0.618

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 20 dia Power NTC 5ohm Y kink bulk

BN-LG20Y5R0MYB
Bourns
1: $1.29
5,880In Stock

Mfr. Part No.
BN-LG20Y5R0MYB

Mouser Part No
652-BN-LG20Y5R0MYB

Bourns

NTC (Negative Temperature Coefficient) Thermistors 20 dia Power NTC 5ohm Y kink bulk

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Datasheet

5,880In Stock

$1.29

$1.17

$0.975

$0.916

View

Min.: 1
Mult.: 1

Automotive Fuses POWrFuse BD 275Vac 500Vdc 50A

PF-KB1-50
Bourns
1: $39.20
158In Stock

Mfr. Part No.
PF-KB1-50

Mouser Part No
652-PF-KB1-50

Bourns

Automotive Fuses POWrFuse BD 275Vac 500Vdc 50A

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Datasheet

158In Stock

$39.20

$26.02

$25.52

$25.50

$23.85

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes P6SMB - A 160V

P6SMB160A-Q
Bourns
1: $0.70
119,948In Stock

Mfr. Part No.
P6SMB160A-Q

Mouser Part No
652-P6SMB160A-Q

Bourns

ESD Protection Diodes / TVS Diodes P6SMB - A 160V

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Datasheet

119,948In Stock

Cut Tape

$0.70

$0.429

$0.276

$0.209

Reel

$0.16

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Board Mount Surge Protectors 100mA 850Vimp

P850-G120-WH
Bourns
1: $2.38
24,235In Stock

Mfr. Part No.
P850-G120-WH

Mouser Part No
652-P850-G120-WH

Bourns

Board Mount Surge Protectors 100mA 850Vimp

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Datasheet

Product Comments

24,235In Stock

Cut Tape

$2.38

$2.07

$1.43

$1.16

$1.09

Reel

$1.08

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

PTVS1-029C-H
Bourns
1: $4.78
7,480In 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

7,480In Stock

Cut Tape

$4.78

$3.07

$2.69

$2.54

$2.38

Reel

$2.15

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

NTC (Negative Temperature Coefficient) Thermistors 20 dia Power NTC 2.5ohm Y kink bulk

BN-LG20Y2R5MYB
Bourns
1: $1.56
5,473In Stock

Mfr. Part No.
BN-LG20Y2R5MYB

Mouser Part No
652-BN-LG20Y2R5MYB

Bourns

NTC (Negative Temperature Coefficient) Thermistors 20 dia Power NTC 2.5ohm Y kink bulk

Learn More

Datasheet

5,473In Stock

$1.56

$1.19

$0.946

$0.89

View

Min.: 1
Mult.: 1

Thermal Cut-offs TCO, High Current, Axial Lead, 55C, Self Hold AEC-Q200

AD55ABB
Bourns
1: $2.19
2,469In Stock

Mfr. Part No.
AD55ABB

Mouser Part No
652-AD55ABB

Bourns

Thermal Cut-offs TCO, High Current, Axial Lead, 55C, Self Hold AEC-Q200

Learn More

Datasheet

2,469In Stock

$2.19

$2.02

$1.57

$1.38

View

Min.: 1
Mult.: 1

Thermal Cut-offs TCO, High Current, SMD, 82C, non Self Hold AEC-Q200

SD82WBB
Bourns
1: $2.29
4,997In Stock

Mfr. Part No.
SD82WBB

Mouser Part No
652-SD82WBB

Bourns

Thermal Cut-offs TCO, High Current, SMD, 82C, non Self Hold AEC-Q200

Learn More

Datasheet

4,997In Stock

Cut Tape

$2.29

$2.12

$2.11

$1.76

View

Reel

$1.04

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC (Negative Temperature Coefficient) Thermistors 10 dia Power NTC 15ohm Y kink bulk

BN-LG10Y150MYB
Bourns
1: $0.411
15,062In Stock

Mfr. Part No.
BN-LG10Y150MYB

Mouser Part No
652-BN-LG10Y150MYB

Bourns

NTC (Negative Temperature Coefficient) Thermistors 10 dia Power NTC 15ohm Y kink bulk

Learn More

Datasheet

15,062In Stock

$0.411

$0.368

$0.322

$0.283

View

Min.: 1
Mult.: 1

Automotive Fuses POWrFuse BD 275Vac 500Vdc 15A

PF-KB1-15
Bourns
1: $21.42
144In Stock

Mfr. Part No.
PF-KB1-15

Mouser Part No
652-PF-KB1-15

Bourns

Automotive Fuses POWrFuse BD 275Vac 500Vdc 15A

Learn More

Datasheet

144In Stock

$21.42

$18.99

$18.92

$17.31

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 5 dia Power NTC 5ohm Y kink bulk

BN-LG05Y5R0MYB
Bourns
1: $0.37
13,570In Stock

Mfr. Part No.
BN-LG05Y5R0MYB

Mouser Part No
652-BN-LG05Y5R0MYB

Bourns

NTC (Negative Temperature Coefficient) Thermistors 5 dia Power NTC 5ohm Y kink bulk

Learn More

Datasheet

13,570In Stock

$0.37

$0.298

$0.262

$0.211

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10 dia Power NTC 16ohm Y kink bulk

BN-LG10Y160MYB
Bourns
1: $0.57
9,998In Stock

Mfr. Part No.
BN-LG10Y160MYB

Mouser Part No
652-BN-LG10Y160MYB

Bourns

NTC (Negative Temperature Coefficient) Thermistors 10 dia Power NTC 16ohm Y kink bulk

Learn More

Datasheet

9,998In Stock

$0.57

$0.498

$0.433

$0.358

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 220ohm Y kink bulk

BN-LG15Y221MYB
Bourns
1: $0.94
5,738In Stock
6,250On Order

Mfr. Part No.
BN-LG15Y221MYB

Mouser Part No
652-BN-LG15Y221MYB

Bourns

NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 220ohm Y kink bulk

Learn More

Datasheet

5,738In Stock

6,250On Order

$0.94

$0.722

$0.622

$0.60

View

Min.: 1
Mult.: 1

Automotive Fuses POWrFuse TH 275Vac 500Vdc 30A

PF-KT1-30
Bourns
1: $34.38
279In Stock

Mfr. Part No.
PF-KT1-30

Mouser Part No
652-PF-KT1-30

Bourns

Automotive Fuses POWrFuse TH 275Vac 500Vdc 30A

Learn More

Datasheet

279In Stock

$34.38

$28.52

$18.98

$16.96

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 20 dia Power NTC 20ohm Y kink bulk

BN-LG20Y200MYB
Bourns
1: $1.56
6,193In Stock

Mfr. Part No.
BN-LG20Y200MYB

Mouser Part No
652-BN-LG20Y200MYB

Bourns

NTC (Negative Temperature Coefficient) Thermistors 20 dia Power NTC 20ohm Y kink bulk

Learn More

Datasheet

6,193In Stock

$1.56

$0.961

$0.933

$0.826

View

Min.: 1
Mult.: 1

Surface Mount Fuses 35A 250V FAST ACTING

SF-3812F3500T-2
Bourns
1: $4.18
9,937In Stock

Mfr. Part No.
SF-3812F3500T-2

Mouser Part No
652-SF-3812F3500T-2

Bourns

Surface Mount Fuses 35A 250V FAST ACTING

Learn More

Datasheet

9,937In Stock

Cut Tape

$4.18

$3.51

$2.76

$2.45

Reel

$1.78

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

PTVS1-026C-H
Bourns
1: $5.27
10,203In 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

10,203In Stock

Cut Tape

$5.27

$3.11

$2.83

$2.54

$2.31

Reel

$2.15

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Circuit Protection Devices

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Circuit Protection Devices

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