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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: £0.248
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

£0.248

£0.244

Reel

£0.244

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

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

SF-0603SPA500R-2
Bourns
1: £0.841
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

£0.841

£0.78

£0.553

£0.488

View

Reel

£0.371

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

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

MOV-20D271KKTR
Bourns
1: £0.96
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

£0.96

£0.587

£0.383

Reel

£0.356

£0.303

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

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

MOV-20D621KKTR
Bourns
1: £1.23
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

£1.23

£0.759

£0.525

Reel

£0.491

£0.433

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

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

MOV-14D271KKTR
Bourns
1: £0.571
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

£0.571

£0.341

£0.214

£0.182

Reel

£0.149

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Specialty Fuses POWrFuse BD 800Vac 800Vdc 125A

PF-FB1-125
Bourns
1: £69.51
169In Stock Restricted Availability

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

£69.51

£57.58

Min.: 1
Mult.: 1

Restricted Availability

Automotive Fuses POWrFuse TH 275Vac 500Vdc 30A

PF-KT1-30
Bourns
1: £10.25
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

£10.25

Min.: 1
Mult.: 1

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

PTVS1-026C-H
Bourns
1: £3.09
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

£3.09

£2.16

£1.90

£1.89

Reel

£1.68

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Specialty Fuses POWrFuse BD 800Vac 800Vdc 100A

PF-FB1-100
Bourns
1: £51.21
95In Stock Restricted Availability

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

£51.21

£47.82

Min.: 1
Mult.: 1

Restricted Availability

Specialty Fuses POWrFuse BD 800Vac 800Vdc 175A

PF-FB1-175
Bourns
1: £93.30
42In Stock Restricted Availability

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

£93.30

£92.27

£57.67

Min.: 1
Mult.: 1

Restricted Availability

Specialty Fuses POWrFuse BD 240Vac 150Vdc 150A

PF-MB1-150
Bourns
1: £37.09
59In Stock Restricted Availability

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

£37.09

Min.: 1
Mult.: 1

Restricted Availability

Specialty Fuses POWrFuse BD 800Vac 800Vdc 250A

PF-FB1-250
Bourns
1: £105.38
26In Stock Restricted Availability

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

£105.38

£96.65

£91.71

£90.45

£89.80

Min.: 1
Mult.: 1

Restricted Availability

Automotive Fuses POWrFuse TH 275Vac 500Vdc 50A

PF-KT1-50
Bourns
1: £11.72
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

£11.72

Min.: 1
Mult.: 1

Specialty Fuses POWrFuse BD 800Vac 800Vdc 50A

PF-FB1-50
Bourns
1: £46.37
84In Stock Restricted Availability

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

£46.37

£41.23

£38.11

£38.10

Min.: 1
Mult.: 1

Restricted Availability

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

5.0SMDJ58A
Bourns
1: £1.23
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

£1.23

£0.863

£0.631

£0.56

£0.551

Reel

£0.537

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMLJ22CA
Bourns
1: £0.436
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

£0.436

£0.39

Reel

£0.332

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Board Mount Surge Protectors Dual Bi-directional TBU Device

TBU-RS085-300-WH
Bourns
1: £1.87
11,041In 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

11,041In Stock

Cut Tape

£1.87

£1.69

£1.57

£1.56

£1.55

Reel

£1.48

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Specialty Fuses POWrFuse BD 800Vac 800Vdc 50A

PF-FB2-50
Bourns
1: £44.31
88In Stock Restricted Availability

Mfr. Part No.
PF-FB2-50

Mouser Part No
652-PF-FB2-50

Bourns

Specialty Fuses POWrFuse BD 800Vac 800Vdc 50A

Learn More

Datasheet

88In Stock

£44.31

£39.92

£38.06

Min.: 1
Mult.: 1

Restricted Availability

Automotive Fuses POWrFuse BD 275Vac 500Vdc 50A

PF-KB1-50
Bourns
1: £20.63
176In Stock

Mfr. Part No.
PF-KB1-50

Mouser Part No
652-PF-KB1-50

Bourns

Automotive Fuses POWrFuse BD 275Vac 500Vdc 50A

Learn More

Datasheet

176In Stock

£20.63

£14.43

£14.42

£12.68

Min.: 1
Mult.: 1

Specialty Fuses POWrFuse BD 240Vac 150Vdc 50A

PF-MB1-50
Bourns
1: £51.80
100In Stock Restricted Availability

Mfr. Part No.
PF-MB1-50

Mouser Part No
652-PF-MB1-50

Bourns

Specialty Fuses POWrFuse BD 240Vac 150Vdc 50A

Learn More

Datasheet

100In Stock

£51.80

£51.13

£31.24

Min.: 1
Mult.: 1

Restricted Availability

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

GMOV-20D271K
Bourns
1: £1.48
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

£1.48

£1.36

£1.13

£1.05

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes P6SMB - A 160V

P6SMB160A-Q
Bourns
1: £0.526
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

£0.526

£0.322

£0.207

£0.157

Reel

£0.12

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: £2.26
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

£2.26

£1.99

£1.55

£1.28

Reel

£1.00

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1100 V

GDT28H-110-B
Bourns
1: £1.64
459In Stock

Mfr. Part No.
GDT28H-110-B

Mouser Part No
652-GDT28H-110-B

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1100 V

Learn More

Datasheet

459In Stock

£1.64

£1.41

£1.13

£0.969

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V,Bulk

GDT25-42-S1-BK
Bourns
1: £0.89
1,000In Stock

Mfr. Part No.
GDT25-42-S1-BK

Mouser Part No
652-GDT25-42-S1-BK

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V,Bulk

Learn More

Datasheet

1,000In Stock

£0.89

£0.718

£0.595

£0.522

View

Min.: 1
Mult.: 1

Circuit Protection Devices

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Circuit Protection Devices

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