.hide-partial { max-height: none; } .show-more { display: none; }

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)

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Select a category below to see filtering options and narrow down your search.

Part #

Board Mount Surge Protectors I- (TRIGGER)100MA 850V(I

TBU-DF085-100-WH
Bourns
1: £2.62
7,931In Stock

Mfr. Part No.
TBU-DF085-100-WH

Mouser Part No
652-TBU-DF085-100-WH

Bourns

Board Mount Surge Protectors I- (TRIGGER)100MA 850V(I

Learn More

Datasheet

7,931In Stock

Cut Tape

£2.62

£1.93

£1.35

£1.20

Reel

£1.13

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Board Mount Surge Protectors Dual Unidirectional TBU Device

TBU-DT085-200-WH
Bourns
1: £0.89
8,319In Stock

Mfr. Part No.
TBU-DT085-200-WH

Mouser Part No
652-TBU-DT085-200-WH

Bourns

Board Mount Surge Protectors Dual Unidirectional TBU Device

Learn More

Datasheet

8,319In Stock

Cut Tape

£0.89

£0.849

£0.796

£0.788

Reel

£0.717

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Specialty Fuses POWrFuse BD 800Vac 800Vdc 225A

PF-FB1-225
Bourns
1: £145.49
50In Stock Restricted Availability

Mfr. Part No.
PF-FB1-225

Mouser Part No
652-PF-FB1-225

Bourns

Specialty Fuses POWrFuse BD 800Vac 800Vdc 225A

Learn More

Datasheet

50In Stock

£145.49

£143.89

£89.80

Min.: 1
Mult.: 1

Restricted Availability

Specialty Fuses POWrFuse BD 800Vac 800Vdc 225A

PF-FB2-225
Bourns
1: £104.10
42In Stock Restricted Availability

Mfr. Part No.
PF-FB2-225

Mouser Part No
652-PF-FB2-225

Bourns

Specialty Fuses POWrFuse BD 800Vac 800Vdc 225A

Learn More

Datasheet

42In Stock

£104.10

£92.85

£89.80

Min.: 1
Mult.: 1

Restricted Availability

Automotive Fuses POWrFuse BD 275Vac 500Vdc 40A

PF-KB1-40
Bourns
1: £15.50
85In Stock

Mfr. Part No.
PF-KB1-40

Mouser Part No
652-PF-KB1-40

Bourns

Automotive Fuses POWrFuse BD 275Vac 500Vdc 40A

Learn More

Datasheet

85In Stock

£15.50

£13.68

£13.66

£12.35

Min.: 1
Mult.: 1

Specialty Fuses POWrFuse TH 170Vdc 80A

PF-NT2-80
Bourns
1: £19.04
254In Stock Restricted Availability

Mfr. Part No.
PF-NT2-80

Mouser Part No
652-PF-NT2-80

Bourns

Specialty Fuses POWrFuse TH 170Vdc 80A

Learn More

Datasheet

254In Stock

£19.04

£16.76

£15.60

£14.15

Min.: 1
Mult.: 1

Restricted Availability

ESD Protection Diodes / TVS Diodes DIO TVS VRWM 30V 1500W UNIDIR SMB

1.5SMBJ30A
Bourns
1: £0.788
11,378In Stock

Mfr. Part No.
1.5SMBJ30A

Mouser Part No
652-1.5SMBJ30A

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VRWM 30V 1500W UNIDIR SMB

Learn More

Datasheet

11,378In Stock

Cut Tape

£0.788

£0.491

£0.321

£0.168

Reel

£0.167

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 120V 1500W BiDir

1.5SMC120CA
Bourns
1: £0.788
10,661In Stock

Mfr. Part No.
1.5SMC120CA

Mouser Part No
652-1.5SMC120CA

Bourns

ESD Protection Diodes / TVS Diodes 120V 1500W BiDir

Learn More

Datasheet

10,661In Stock

Cut Tape

£0.788

£0.217

£0.188

Reel

£0.159

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 180V 1500W UniDir

1.5SMC180A
Bourns
1: £0.188
10,638In Stock

Mfr. Part No.
1.5SMC180A

Mouser Part No
652-1.5SMC180A

Bourns

ESD Protection Diodes / TVS Diodes 180V 1500W UniDir

Learn More

Datasheet

10,638In Stock

Cut Tape

£0.188

£0.18

£0.159

£0.154

Reel

£0.154

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 6.8V 1500W UniDir

1.5SMC6.8A
Bourns
1: £0.21
15,882In Stock

Mfr. Part No.
1.5SMC6.8A

Mouser Part No
652-1.5SMC6.8A

Bourns

ESD Protection Diodes / TVS Diodes 6.8V 1500W UniDir

Learn More

Datasheet

15,882In Stock

Cut Tape

£0.21

£0.177

£0.161

£0.153

Reel

£0.129

£0.128

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 170V 5KW 5% UNI DO-214AB (SMC)

5.0SMDJ170A
Bourns
1: £1.23
5,980In Stock

Mfr. Part No.
5.0SMDJ170A

Mouser Part No
652-5.0SMDJ170A

Bourns

ESD Protection Diodes / TVS Diodes 170V 5KW 5% UNI DO-214AB (SMC)

Learn More

Datasheet

5,980In Stock

Cut Tape

£1.23

£1.01

£0.675

£0.64

£0.588

Reel

£0.537

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 22V 5KW 5% BI DO-214AB (SMC)

5.0SMDJ22CA
Bourns
1: £1.27
5,487In Stock

Mfr. Part No.
5.0SMDJ22CA

Mouser Part No
652-5.0SMDJ22CA

Bourns

ESD Protection Diodes / TVS Diodes 22V 5KW 5% BI DO-214AB (SMC)

Learn More

Datasheet

5,487In Stock

Cut Tape

£1.27

£1.01

£0.718

£0.632

£0.597

Reel

£0.537

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 5.0SMDJ - CA 48V

5.0SMDJ48CA-Q
Bourns
1: £1.48
8,275In Stock

Mfr. Part No.
5.0SMDJ48CA-Q

Mouser Part No
652-5.0SMDJ48CA-Q

Bourns

ESD Protection Diodes / TVS Diodes 5.0SMDJ - CA 48V

Learn More

Datasheet

8,275In Stock

Cut Tape

£1.48

£1.17

£0.841

£0.759

£0.701

Reel

£0.647

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes DIO TVS VWM 58V 5kW UNIDIR SMC AECQ

5.0SMDJ58A-Q
Bourns
1: £1.41
7,536In Stock

Mfr. Part No.
5.0SMDJ58A-Q

Mouser Part No
652-5.0SMDJ58A-Q

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 58V 5kW UNIDIR SMC AECQ

Learn More

Datasheet

7,536In Stock

Cut Tape

£1.41

£1.17

£0.899

£0.759

£0.663

Reel

£0.61

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 5.0SMDJ - CA 58V

5.0SMDJ58CA-Q
Bourns
1: £1.48
6,000In Stock

Mfr. Part No.
5.0SMDJ58CA-Q

Mouser Part No
652-5.0SMDJ58CA-Q

Bourns

ESD Protection Diodes / TVS Diodes 5.0SMDJ - CA 58V

Learn More

Datasheet

6,000In Stock

Cut Tape

£1.48

£1.23

£0.943

£0.788

£0.701

Reel

£0.647

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Varistors 5.5VDC 10% 0201 33pF

CG0201MLA-5.5MH
Bourns
1: £0.12
60,930In Stock

Mfr. Part No.
CG0201MLA-5.5MH

Mouser Part No
652-CG0201MLA-5.5MH

Bourns

Varistors 5.5VDC 10% 0201 33pF

Learn More

Datasheet

60,930In Stock

Cut Tape

£0.12

£0.072

£0.062

£0.057

View

Reel

£0.047

MouseReel Available

Min.: 1
Mult.: 1

Reel: 15,000

Varistors Chip Guard 0603 12 Volt AEC-Q200

CGA0603MLC-12E
Bourns
1: £0.248
11,303In Stock

Mfr. Part No.
CGA0603MLC-12E

Mouser Part No
652-CGA0603MLC-12E

Bourns

Varistors Chip Guard 0603 12 Volt AEC-Q200

Learn More

Datasheet

11,303In Stock

Cut Tape

£0.248

£0.147

£0.129

£0.12

£0.119

Reel

£0.119

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Resettable Fuses - PPTC RESETTABLE FUSE 230VOLT 35OHM

CMF-RL35-10-0
Bourns
1: £0.713
11,093In Stock

Mfr. Part No.
CMF-RL35-10-0

Mouser Part No
652-CMF-RL35-10-0

Bourns

Resettable Fuses - PPTC RESETTABLE FUSE 230VOLT 35OHM

Learn More

Datasheet

11,093In Stock

£0.713

£0.542

£0.508

£0.384

View

Min.: 1
Mult.: 1

Varistors CV 275 K 10 B L1

CV275K10BL1
Bourns
1: £0.803
14,414In Stock

Mfr. Part No.
CV275K10BL1

Mouser Part No
652-CV275K10BL1

Bourns

Varistors CV 275 K 10 B L1

Learn More

Datasheet

14,414In Stock

£0.803

£0.486

£0.311

£0.275

View

Min.: 1
Mult.: 1

Varistors CV 300 K 14 B L1

CV300K14BL1
Bourns
1: £0.986
6,886In Stock

Mfr. Part No.
CV300K14BL1

Mouser Part No
652-CV300K14BL1

Bourns

Varistors CV 300 K 14 B L1

Learn More

Datasheet

6,886In Stock

£0.986

£0.553

£0.382

£0.35

View

Min.: 1
Mult.: 1

Varistors CV+ 275 K 7 B L1

CVQ275K7BL1
Bourns
1: £0.601
16,689In Stock

Mfr. Part No.
CVQ275K7BL1

Mouser Part No
652-CVQ275K7BL1

Bourns

Varistors CV+ 275 K 7 B L1

Learn More

Datasheet

16,689In Stock

£0.601

£0.331

£0.227

£0.20

View

Min.: 1
Mult.: 1

Varistors DV SERIES 25V

DV25K3225R2
Bourns
1: £0.882
6,348In Stock

Mfr. Part No.
DV25K3225R2

Mouser Part No
652-DV25K3225R2

Bourns

Varistors DV SERIES 25V

Learn More

Datasheet

6,348In Stock

Cut Tape

£0.882

£0.634

£0.574

£0.507

Reel

£0.424

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Varistors 130 VAC 70J 360V-CL 6KA-PK

GMOV-14D131K
Bourns
1: £1.15
3,482In Stock

Mfr. Part No.
GMOV-14D131K

Mouser Part No
652-GMOV-14D131K

Bourns

Varistors 130 VAC 70J 360V-CL 6KA-PK

Learn More

Datasheet

3,482In Stock

£1.15

£1.07

£0.856

£0.811

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 6V 200MA-HD 50A MAX

MF-ASML020/6-2
Bourns
1: £0.368
21,509In Stock

Mfr. Part No.
MF-ASML020/6-2

Mouser Part No
652-MF-ASML020/6-2

Bourns

Resettable Fuses - PPTC 6V 200MA-HD 50A MAX

Learn More

Datasheet

21,509In Stock

Cut Tape

£0.368

£0.278

£0.261

£0.201

£0.197

Reel

£0.197

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Resettable Fuses - PPTC PTC RESETTABLE 6.0A 10V AXIAL STRAP

MF-LR600
Bourns
1: £0.834
3,776In Stock

Mfr. Part No.
MF-LR600

Mouser Part No
652-MF-LR600

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 6.0A 10V AXIAL STRAP

Learn More

Datasheet

3,776In Stock

£0.834

£0.621

£0.47

£0.456

View

Min.: 1
Mult.: 1

Circuit Protection Devices

All Results (8,097)

Customer Service Office

Company

Resources

Support

Circuit Protection Devices

All Results (8,097)

Circuit Protection

Industrial Automation

Semiconductors

Thermal Management