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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 (8,097)

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Part #

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/6V

MF-LSMF330X-2
Bourns
1: $0.33
8,928In Stock

Mfr. Part No.
MF-LSMF330X-2

Mouser Part No
652-MF-LSMF330X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/6V

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Datasheet

8,928In Stock

Cut Tape

$0.33

$0.326

Reel

$0.324

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

Surface Mount Fuses 0603 time-lag met-foil. 5A Auto

SF-0603SPA500R-2
Bourns
1: $1.12
4,579In Stock

Mfr. Part No.
SF-0603SPA500R-2

Mouser Part No
652-SF-0603SPA500R-2

Bourns

Surface Mount Fuses 0603 time-lag met-foil. 5A Auto

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Datasheet

4,579In Stock

Cut Tape

$1.12

$1.04

$0.737

$0.65

View

Reel

$0.494

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

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

MOV-20D271KKTR
Bourns
1: $1.28
12,170In Stock

Mfr. Part No.
MOV-20D271KKTR

Mouser Part No
652-MOV-20D271KKTR

Bourns

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

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Datasheet

12,170In Stock

Cut Tape

$1.28

$0.782

$0.511

Reel

$0.475

$0.404

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

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

MOV-20D621KKTR
Bourns
1: $1.64
6,273In Stock

Mfr. Part No.
MOV-20D621KKTR

Mouser Part No
652-MOV-20D621KKTR

Bourns

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

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Datasheet

6,273In Stock

Cut Tape

$1.64

$1.01

$0.699

Reel

$0.654

$0.577

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

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

MOV-14D271KKTR
Bourns
1: $0.761
15,000In 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

15,000In Stock

Cut Tape

$0.761

$0.455

$0.285

$0.243

Reel

$0.199

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Specialty Fuses POWrFuse BD 800Vac 800Vdc 100A

PF-FB1-100
Bourns
1: $68.22
95In Stock

Mfr. Part No.
PF-FB1-100

Mouser Part No
652-PF-FB1-100

Bourns

Specialty Fuses POWrFuse BD 800Vac 800Vdc 100A

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Datasheet

95In Stock

$68.22

$63.71

Min.: 1
Mult.: 1

Specialty Fuses POWrFuse BD 800Vac 800Vdc 175A

PF-FB1-175
Bourns
1: $124.29
42In Stock

Mfr. Part No.
PF-FB1-175

Mouser Part No
652-PF-FB1-175

Bourns

Specialty Fuses POWrFuse BD 800Vac 800Vdc 175A

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Datasheet

42In Stock

$124.29

$122.92

$76.83

Min.: 1
Mult.: 1

Specialty Fuses POWrFuse BD 240Vac 150Vdc 150A

PF-MB1-150
Bourns
1: $49.40
59In Stock

Mfr. Part No.
PF-MB1-150

Mouser Part No
652-PF-MB1-150

Bourns

Specialty Fuses POWrFuse BD 240Vac 150Vdc 150A

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Datasheet

59In Stock

$49.40

Min.: 1
Mult.: 1

Specialty Fuses POWrFuse BD 800Vac 800Vdc 250A

PF-FB1-250
Bourns
1: $140.39
26In Stock

Mfr. Part No.
PF-FB1-250

Mouser Part No
652-PF-FB1-250

Bourns

Specialty Fuses POWrFuse BD 800Vac 800Vdc 250A

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Datasheet

26In Stock

$140.39

$128.76

$122.17

$120.50

$119.63

Min.: 1
Mult.: 1

Automotive Fuses POWrFuse TH 275Vac 500Vdc 50A

PF-KT1-50
Bourns
1: $15.61
300In Stock

Mfr. Part No.
PF-KT1-50

Mouser Part No
652-PF-KT1-50

Bourns

Automotive Fuses POWrFuse TH 275Vac 500Vdc 50A

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Datasheet

300In Stock

$15.61

Min.: 1
Mult.: 1

Specialty Fuses POWrFuse BD 800Vac 800Vdc 50A

PF-FB1-50
Bourns
1: $61.78
84In Stock

Mfr. Part No.
PF-FB1-50

Mouser Part No
652-PF-FB1-50

Bourns

Specialty Fuses POWrFuse BD 800Vac 800Vdc 50A

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Datasheet

84In Stock

$61.78

$54.93

$50.76

$50.75

Min.: 1
Mult.: 1

Specialty Fuses POWrFuse BD 800Vac 800Vdc 125A

PF-FB1-125
Bourns
1: $92.60
169In Stock

Mfr. Part No.
PF-FB1-125

Mouser Part No
652-PF-FB1-125

Bourns

Specialty Fuses POWrFuse BD 800Vac 800Vdc 125A

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Datasheet

169In Stock

$92.60

$76.71

Min.: 1
Mult.: 1

Automotive Fuses POWrFuse TH 275Vac 500Vdc 30A

PF-KT1-30
Bourns
1: $13.65
282In 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

282In Stock

$13.65

Min.: 1
Mult.: 1

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

PTVS1-026C-H
Bourns
1: $4.12
11,568In 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

11,568In Stock

Cut Tape

$4.12

$2.87

$2.54

$2.52

Reel

$2.24

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

ESD Protection Diodes / TVS Diodes 58V 5KW 5% UNI DO-214AB (SMC)

5.0SMDJ58A
Bourns
1: $1.64
27,986In Stock

Mfr. Part No.
5.0SMDJ58A

Mouser Part No
652-5.0SMDJ58A

Bourns

ESD Protection Diodes / TVS Diodes 58V 5KW 5% UNI DO-214AB (SMC)

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Datasheet

27,986In Stock

Cut Tape

$1.64

$1.15

$0.841

$0.745

$0.734

Reel

$0.715

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Specialty Fuses POWrFuse BD 800Vac 800Vdc 50A

PF-FB2-50
Bourns
1: $59.03
88In Stock

Mfr. Part No.
PF-FB2-50

Mouser Part No
652-PF-FB2-50

Bourns

Specialty Fuses POWrFuse BD 800Vac 800Vdc 50A

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Datasheet

88In Stock

$59.03

$53.18

$50.71

Min.: 1
Mult.: 1

Automotive Fuses POWrFuse BD 275Vac 500Vdc 50A

PF-KB1-50
Bourns
1: $27.48
176In 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

176In Stock

$27.48

$19.22

$19.21

$16.90

Min.: 1
Mult.: 1

Specialty Fuses POWrFuse BD 240Vac 150Vdc 50A

PF-MB1-50
Bourns
1: $69.01
100In Stock

Mfr. Part No.
PF-MB1-50

Mouser Part No
652-PF-MB1-50

Bourns

Specialty Fuses POWrFuse BD 240Vac 150Vdc 50A

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Datasheet

100In Stock

$69.01

$68.12

$41.61

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 22volts 5uA 84.4 Amps Bi-Dir

SMLJ22CA
Bourns
1: $0.58
34,336In Stock

Mfr. Part No.
SMLJ22CA

Mouser Part No
652-SMLJ22CA

Bourns

ESD Protection Diodes / TVS Diodes 22volts 5uA 84.4 Amps Bi-Dir

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Datasheet

34,336In Stock

Cut Tape

$0.58

$0.52

Reel

$0.442

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Board Mount Surge Protectors Dual Bi-directional TBU Device

TBU-RS085-300-WH
Bourns
1: $2.49
11,031In Stock

Mfr. Part No.
TBU-RS085-300-WH

Mouser Part No
652-TBU-RS085-300-WH

Bourns

Board Mount Surge Protectors Dual Bi-directional TBU Device

Learn More

Datasheet

11,031In Stock

Cut Tape

$2.49

$2.26

$2.09

$2.08

$2.07

Reel

$1.97

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Varistors 275 VAC 305J 730V-CL 10KA-PK

GMOV-20D271K
Bourns
1: $1.98
22,471In Stock

Mfr. Part No.
GMOV-20D271K

Mouser Part No
652-GMOV-20D271K

Bourns

Varistors 275 VAC 305J 730V-CL 10KA-PK

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Datasheet

22,471In Stock

$1.98

$1.81

$1.51

$1.40

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes P6SMB - A 160V

P6SMB160A-Q
Bourns
1: $0.70
119,957In Stock

Mfr. Part No.
P6SMB160A-Q

Mouser Part No
652-P6SMB160A-Q

Bourns

ESD Protection Diodes / TVS Diodes P6SMB - A 160V

Learn More

Datasheet

119,957In Stock

Cut Tape

$0.70

$0.429

$0.276

$0.209

Reel

$0.16

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Board Mount Surge Protectors Dual Bi-directional TBU Device

TBU-RS055-300-WH
Bourns
1: $3.01
11,646In Stock

Mfr. Part No.
TBU-RS055-300-WH

Mouser Part No
652-TBU-RS055-300-WH

Bourns

Board Mount Surge Protectors Dual Bi-directional TBU Device

Learn More

Datasheet

11,646In Stock

Cut Tape

$3.01

$2.65

$2.06

$1.71

Reel

$1.34

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1300 V

GDT28H-130-B
Bourns
1: $2.19
424In Stock

Mfr. Part No.
GDT28H-130-B

Mouser Part No
652-GDT28H-130-B

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1300 V

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Datasheet

424In Stock

$2.19

$1.88

$1.51

$1.29

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 3300 V

GDT28H-330-B
Bourns
1: $2.19
437In Stock

Mfr. Part No.
GDT28H-330-B

Mouser Part No
652-GDT28H-330-B

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 3300 V

Learn More

Datasheet

437In Stock

$2.19

$1.88

$1.51

$1.29

View

Min.: 1
Mult.: 1

Circuit Protection Devices

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