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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 #

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

$0.974

$0.916

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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

$26.01

$25.51

$25.50

$23.85

Min.: 1
Mult.: 1

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

$0.318

$0.279

Reel

$0.238

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

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

$0.275

$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

Reel

$0.896

View

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
7,509In 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

7,509In Stock

Cut Tape

$4.78

$3.07

$2.69

$2.53

$2.38

Reel

$2.06

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Industrial Surge Protectors 75VDC 2W+G

1320-S-75
Bourns
1: $156.75
167In Stock

Mfr. Part No.
1320-S-75

Mouser Part No
652-1320-S-75

Bourns

Industrial Surge Protectors 75VDC 2W+G

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Datasheet

167In Stock

$156.75

$118.21

$97.55

$92.86

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

$1.02

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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

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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

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Datasheet

4,997In Stock

Cut Tape

$2.29

$2.12

$2.11

$1.76

View

Reel

$1.02

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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: $34.37
279In Stock

Mfr. Part No.
PF-KT1-30

Mouser Part No
652-PF-KT1-30

Bourns

Automotive Fuses POWrFuse TH 275Vac 500Vdc 30A

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Datasheet

279In Stock

$34.37

$28.51

$18.98

$16.95

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

$0.96

$0.933

$0.826

View

Min.: 1
Mult.: 1

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

PTVS1-026C-H
Bourns
1: $5.27
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

$5.27

$3.10

$2.82

$2.53

$2.31

Reel

$2.06

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

$0.945

$0.889

View

Min.: 1
Mult.: 1

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

BN-LG10Y150MYB
Bourns
1: $0.41
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

$0.41

$0.368

$0.322

$0.282

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

$17.30

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

$0.21

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 13 dia Power NTC 5ohm Y kink bulk

BN-LG13Y5R0MYB
Bourns
1: $0.81
11,477In Stock

Mfr. Part No.
BN-LG13Y5R0MYB

Mouser Part No
652-BN-LG13Y5R0MYB

Bourns

NTC (Negative Temperature Coefficient) Thermistors 13 dia Power NTC 5ohm Y kink bulk

Learn More

Datasheet

11,477In Stock

$0.81

$0.624

$0.538

$0.519

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 120ohm Y kink bulk

BN-LG15Y121MYB
Bourns
1: $0.73
11,358In Stock

Mfr. Part No.
BN-LG15Y121MYB

Mouser Part No
652-BN-LG15Y121MYB

Bourns

NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 120ohm Y kink bulk

Learn More

Datasheet

11,358In Stock

$0.73

$0.665

$0.638

$0.577

View

Min.: 1
Mult.: 1

Surface Mount Fuses 35A 250V FAST ACTING

SF-3812F3500T-2
Bourns
1: $4.18
9,947In 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

9,947In Stock

Cut Tape

$4.18

$3.51

$2.76

$2.45

Reel

$1.78

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Surface Mount Fuses 15A 250V FAST ACTING

SF-3812F1500T-2
Bourns
1: $3.65
9,935In Stock

Mfr. Part No.
SF-3812F1500T-2

Mouser Part No
652-SF-3812F1500T-2

Bourns

Surface Mount Fuses 15A 250V FAST ACTING

Learn More

Datasheet

9,935In Stock

Cut Tape

$3.65

$3.06

$2.40

$2.13

Reel

$1.51

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Surface Mount Fuses 20A 250V FAST ACTING

SF-3812F2000T-2
Bourns
1: $2.94
9,961In Stock

Mfr. Part No.
SF-3812F2000T-2

Mouser Part No
652-SF-3812F2000T-2

Bourns

Surface Mount Fuses 20A 250V FAST ACTING

Learn More

Datasheet

9,961In Stock

Cut Tape

$2.94

$2.63

$2.22

$2.09

Reel

$1.49

View

Min.: 1
Mult.: 1

: 2,500

Circuit Protection Devices

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Circuit Protection Devices

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