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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: $0.512
8,928In Stock

Mfr. Part #
MF-LSMF330X-2

Mouser Part #
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

$0.512

$0.504

Reel

$0.502

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

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

SF-0603SPA500R-2
Bourns
1: $1.74
4,579In Stock

Mfr. Part #
SF-0603SPA500R-2

Mouser Part #
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

$1.74

$1.61

$1.14

$1.01

View

Reel

$0.736

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

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

MOV-20D271KKTR
Bourns
1: $1.98
12,170In Stock

Mfr. Part #
MOV-20D271KKTR

Mouser Part #
652-MOV-20D271KKTR

Bourns

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

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Datasheet

12,170In Stock

Cut Tape

$1.98

$1.21

$0.792

Reel

$0.735

$0.625

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

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

MOV-20D621KKTR
Bourns
1: $2.54
6,273In Stock

Mfr. Part #
MOV-20D621KKTR

Mouser Part #
652-MOV-20D621KKTR

Bourns

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

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Datasheet

6,273In Stock

Cut Tape

$2.54

$1.57

$1.08

Reel

$1.01

$0.894

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

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

MOV-14D271KKTR
Bourns
1: $1.18
15,000In Stock

Mfr. Part #
MOV-14D271KKTR

Mouser Part #
652-MOV-14D271KKTR

Bourns

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

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Datasheet

15,000In Stock

Cut Tape

$1.18

$0.705

$0.442

$0.377

Reel

$0.308

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Specialty Fuses POWrFuse BD 800Vac 800Vdc 100A

PF-FB1-100
Bourns
1: $105.73
95In Stock

Mfr. Part #
PF-FB1-100

Mouser Part #
652-PF-FB1-100

Bourns

Specialty Fuses POWrFuse BD 800Vac 800Vdc 100A

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Datasheet

95In Stock

$105.73

$92.97

$90.50

$90.49

Min.: 1
Mult.: 1

Specialty Fuses POWrFuse BD 800Vac 800Vdc 175A

PF-FB1-175
Bourns
1: $192.62
42In Stock

Mfr. Part #
PF-FB1-175

Mouser Part #
652-PF-FB1-175

Bourns

Specialty Fuses POWrFuse BD 800Vac 800Vdc 175A

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Datasheet

42In Stock

$192.62

$190.50

$119.06

Min.: 1
Mult.: 1

Specialty Fuses POWrFuse BD 240Vac 150Vdc 150A

PF-MB1-150
Bourns
1: $69.30
59In Stock

Mfr. Part #
PF-MB1-150

Mouser Part #
652-PF-MB1-150

Bourns

Specialty Fuses POWrFuse BD 240Vac 150Vdc 150A

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Datasheet

59In Stock

$69.30

Min.: 1
Mult.: 1

Specialty Fuses POWrFuse BD 800Vac 800Vdc 250A

PF-FB1-250
Bourns
1: $217.56
26In Stock

Mfr. Part #
PF-FB1-250

Mouser Part #
652-PF-FB1-250

Bourns

Specialty Fuses POWrFuse BD 800Vac 800Vdc 250A

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Datasheet

26In Stock

$217.56

$199.53

$189.33

$186.74

View

Min.: 1
Mult.: 1

Automotive Fuses POWrFuse TH 275Vac 500Vdc 50A

PF-KT1-50
Bourns
1: $22.96
300In Stock

Mfr. Part #
PF-KT1-50

Mouser Part #
652-PF-KT1-50

Bourns

Automotive Fuses POWrFuse TH 275Vac 500Vdc 50A

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Datasheet

300In Stock

$22.96

$22.01

$21.99

Min.: 1
Mult.: 1

Specialty Fuses POWrFuse BD 800Vac 800Vdc 50A

PF-FB1-50
Bourns
1: $95.74
84In Stock

Mfr. Part #
PF-FB1-50

Mouser Part #
652-PF-FB1-50

Bourns

Specialty Fuses POWrFuse BD 800Vac 800Vdc 50A

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Datasheet

84In Stock

$95.74

$85.13

$78.66

$78.65

Min.: 1
Mult.: 1

Specialty Fuses POWrFuse BD 800Vac 800Vdc 125A

PF-FB1-125
Bourns
1: $143.50
169In Stock

Mfr. Part #
PF-FB1-125

Mouser Part #
652-PF-FB1-125

Bourns

Specialty Fuses POWrFuse BD 800Vac 800Vdc 125A

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Datasheet

169In Stock

$143.50

$111.54

$111.52

Min.: 1
Mult.: 1

Automotive Fuses POWrFuse TH 275Vac 500Vdc 30A

PF-KT1-30
Bourns
1: $20.51
282In Stock

Mfr. Part #
PF-KT1-30

Mouser Part #
652-PF-KT1-30

Bourns

Automotive Fuses POWrFuse TH 275Vac 500Vdc 30A

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Datasheet

282In Stock

$20.51

$20.32

Min.: 1
Mult.: 1

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

PTVS1-026C-H
Bourns
1: $6.39
11,568In Stock

Mfr. Part #
PTVS1-026C-H

Mouser Part #
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

$6.39

$4.45

$3.92

$3.91

Reel

$3.47

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: $2.54
27,986In Stock

Mfr. Part #
5.0SMDJ58A

Mouser Part #
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

$2.54

$1.78

$1.30

$1.15

View

Reel

$1.06

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Specialty Fuses POWrFuse BD 800Vac 800Vdc 50A

PF-FB2-50
Bourns
1: $91.48
88In Stock

Mfr. Part #
PF-FB2-50

Mouser Part #
652-PF-FB2-50

Bourns

Specialty Fuses POWrFuse BD 800Vac 800Vdc 50A

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Datasheet

88In Stock

$91.48

$82.41

$78.40

$76.69

View

Min.: 1
Mult.: 1

Automotive Fuses POWrFuse BD 275Vac 500Vdc 50A

PF-KB1-50
Bourns
1: $42.59
176In Stock

Mfr. Part #
PF-KB1-50

Mouser Part #
652-PF-KB1-50

Bourns

Automotive Fuses POWrFuse BD 275Vac 500Vdc 50A

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Datasheet

176In Stock

$42.59

$29.79

$29.78

$26.16

Min.: 1
Mult.: 1

Specialty Fuses POWrFuse BD 240Vac 150Vdc 50A

PF-MB1-50
Bourns
1: $106.95
100In Stock

Mfr. Part #
PF-MB1-50

Mouser Part #
652-PF-MB1-50

Bourns

Specialty Fuses POWrFuse BD 240Vac 150Vdc 50A

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Datasheet

100In Stock

$106.95

$105.57

$62.84

Min.: 1
Mult.: 1

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

SMLJ22CA
Bourns
1: $0.899
34,336In Stock

Mfr. Part #
SMLJ22CA

Mouser Part #
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

$0.899

$0.806

Reel

$0.659

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Board Mount Surge Protectors Dual Bi-directional TBU Device

TBU-RS085-300-WH
Bourns
1: $3.86
11,031In Stock

Mfr. Part #
TBU-RS085-300-WH

Mouser Part #
652-TBU-RS085-300-WH

Bourns

Board Mount Surge Protectors Dual Bi-directional TBU Device

Learn More

Datasheet

11,031In Stock

Cut Tape

$3.86

$3.50

$3.24

$3.22

View

Reel

$2.85

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

GMOV-20D271K
Bourns
1: $3.07
22,471In Stock

Mfr. Part #
GMOV-20D271K

Mouser Part #
652-GMOV-20D271K

Bourns

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

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Datasheet

22,471In Stock

$3.07

$2.81

$2.34

$2.17

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes P6SMB - A 160V

P6SMB160A-Q
Bourns
1: $1.09
119,957In Stock

Mfr. Part #
P6SMB160A-Q

Mouser Part #
652-P6SMB160A-Q

Bourns

ESD Protection Diodes / TVS Diodes P6SMB - A 160V

Learn More

Datasheet

119,957In Stock

Cut Tape

$1.09

$0.665

$0.426

$0.324

Reel

$0.248

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: $4.67
11,646In Stock

Mfr. Part #
TBU-RS055-300-WH

Mouser Part #
652-TBU-RS055-300-WH

Bourns

Board Mount Surge Protectors Dual Bi-directional TBU Device

Learn More

Datasheet

11,646In Stock

Cut Tape

$4.67

$4.11

$3.19

$2.65

Reel

$2.08

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: $3.39
424In Stock

Mfr. Part #
GDT28H-130-B

Mouser Part #
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

$3.39

$2.91

$2.34

$2.00

View

Min.: 1
Mult.: 1

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

GDT28H-330-B
Bourns
1: $3.39
437In Stock

Mfr. Part #
GDT28H-330-B

Mouser Part #
652-GDT28H-330-B

Bourns

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

Learn More

Datasheet

437In Stock

$3.39

$2.91

$2.34

$2.00

View

Min.: 1
Mult.: 1

Circuit Protection Devices

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Circuit Protection Devices

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