Circuit Protection – Mouser United Kingdom

.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.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

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; }

Part #

Resettable Fuses - PPTC 240V .33A-HD 4.5A MAX

MF-RM033/240-0
Bourns
1: £0.548
6,054In Stock

Mfr. Part No.
MF-RM033/240-0

Mouser Part No
652-MF-RM033/240-0

Bourns

Resettable Fuses - PPTC 240V .33A-HD 4.5A MAX

Learn More

Datasheet

6,054In Stock

£0.548

£0.505

£0.42

£0.368

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC PTC 0.08A 250V SMD 2920 TELECOM

MF-SM008/250F-2
Bourns
1: £0.428
13,771In Stock

Mfr. Part No.
MF-SM008/250F-2

Mouser Part No
652-MF-SM008/250F-2

Bourns

Resettable Fuses - PPTC PTC 0.08A 250V SMD 2920 TELECOM

Learn More

Datasheet

13,771In Stock

Cut Tape

£0.428

£0.388

£0.323

£0.298

Reel

£0.21

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 1210 SMD High-Temp Polymer PTC, 16V/0.75

MF-USHT075KX-2
Bourns
1: £0.518
10,799In Stock

Mfr. Part No.
MF-USHT075KX-2

Mouser Part No
652-MF-USHT075KX-2

Bourns

Resettable Fuses - PPTC 1210 SMD High-Temp Polymer PTC, 16V/0.75

Learn More

Datasheet

10,799In Stock

Cut Tape

£0.518

£0.395

£0.37

£0.279

Reel

£0.203

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 6V 750MA-HD 40A MAX

MF-USMF075-2
Bourns
1: £0.30
24,085In Stock

Mfr. Part No.
MF-USMF075-2

Mouser Part No
652-MF-USMF075-2

Bourns

Resettable Fuses - PPTC 6V 750MA-HD 40A MAX

Learn More

Datasheet

24,085In Stock

Cut Tape

£0.30

£0.271

£0.249

£0.175

View

Reel

£0.136

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Thermal Cut-offs Trip Temp 72c 5c TOL

NR72AB0
Bourns
1: £1.05
3,111In Stock

Mfr. Part No.
NR72AB0

Mouser Part No
652-NR72AB0

Bourns

Thermal Cut-offs Trip Temp 72c 5c TOL

Learn More

Datasheet

3,111In Stock

£1.05

£0.96

£0.796

£0.733

View

Min.: 1
Mult.: 1

Thermal Cut-offs 72C Low Profile SMD HC TCO

SC72AAB
Bourns
1: £0.796
5,474In Stock

Mfr. Part No.
SC72AAB

Mouser Part No
652-SC72AAB

Bourns

Thermal Cut-offs 72C Low Profile SMD HC TCO

Learn More

Datasheet

5,474In Stock

Cut Tape

£0.796

£0.731

£0.607

£0.56

View

Reel

£0.353

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Thermal Cut-offs 82C Low Profile SMD HC TCO

SC82AAB
Bourns
1: £0.796
2,986In Stock

Mfr. Part No.
SC82AAB

Mouser Part No
652-SC82AAB

Bourns

Thermal Cut-offs 82C Low Profile SMD HC TCO

Learn More

Datasheet

2,986In Stock

Cut Tape

£0.796

£0.731

£0.606

£0.559

View

Reel

£0.353

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 1.25A Fast Acting 0603 SinglFuse

SF-0603F125-2
Bourns
1: £0.338
11,498In Stock

Mfr. Part No.
SF-0603F125-2

Mouser Part No
652-SF-0603F125-2

Bourns

Surface Mount Fuses 1.25A Fast Acting 0603 SinglFuse

Learn More

Datasheet

11,498In Stock

Cut Tape

£0.338

£0.296

£0.252

£0.223

View

Reel

£0.16

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses .8A 32V TIME DELAY

SF-0603SP080-2
Bourns
1: £0.54
21,415In Stock

Mfr. Part No.
SF-0603SP080-2

Mouser Part No
652-SF-0603SP080-2

Bourns

Surface Mount Fuses .8A 32V TIME DELAY

Learn More

Datasheet

21,415In Stock

Cut Tape

£0.54

£0.453

£0.382

£0.318

View

Reel

£0.253

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 1.25A Fast Acting 1206 SinglFuse

SF-1206F125-2
Bourns
1: £0.368
56,288In Stock

Mfr. Part No.
SF-1206F125-2

Mouser Part No
652-SF-1206F125-2

Bourns

Surface Mount Fuses 1.25A Fast Acting 1206 SinglFuse

Learn More

Datasheet

56,288In Stock

Cut Tape

£0.368

£0.33

£0.288

£0.258

View

Reel

£0.208

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Thyristor Surge Protection Devices - TSPD 15V (DRM) 500A (IPP) 30V (B

TISP4030H1BJR-S
Bourns
1: £0.995
23,888In Stock

Mfr. Part No.
TISP4030H1BJR-S

Mouser Part No
652-TISP4030H1BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD 15V (DRM) 500A (IPP) 30V (B

Learn More

Datasheet

23,888In Stock

Cut Tape

£0.995

£0.471

£0.34

£0.289

£0.26

Reel

£0.26

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Varistors ZV 20V 10%

ZV20K1812801NIR1
Bourns
1: £0.421
9,487In Stock

Mfr. Part No.
ZV20K1812801NIR1

Mouser Part No
652-ZV20K1812801NIR1

Bourns

Varistors ZV 20V 10%

Learn More

Datasheet

9,487In Stock

Cut Tape

£0.421

£0.264

£0.229

£0.213

Reel

£0.193

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Varistors ZV 20V 10%

ZV20K2220122NIR1
Bourns
1: £0.78
6,790In Stock

Mfr. Part No.
ZV20K2220122NIR1

Mouser Part No
652-ZV20K2220122NIR1

Bourns

Varistors ZV 20V 10%

Learn More

Datasheet

6,790In Stock

Cut Tape

£0.78

£0.507

£0.447

£0.418

Reel

£0.386

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Varistors ZV 25V 10%

ZV25K2220122NIR1HT
Bourns
1: £0.743
3,066In Stock

Mfr. Part No.
ZV25K2220122NIR1HT

Mouser Part No
652-ZV25K2220122NIRH

Bourns

Varistors ZV 25V 10%

Learn More

Datasheet

3,066In Stock

Cut Tape

£0.743

£0.546

£0.482

£0.452

Reel

£0.418

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Surface Mount Fuses 1206 slow-blow met-foil. 12A Auto

SF-1206SA1200R-2
Bourns
1: £0.555
9,890In Stock

Mfr. Part No.
SF-1206SA1200R-2

Mouser Part No
652-SF-1206SA1200R-2

Bourns

Surface Mount Fuses 1206 slow-blow met-foil. 12A Auto

Learn More

Datasheet

9,890In Stock

Cut Tape

£0.555

£0.514

£0.376

£0.322

View

Reel

£0.239

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Industrial Surge Protectors AC SPD 10KA RATED 120V

1202-120S
Bourns
1: £77.07
23In Stock

Mfr. Part No.
1202-120S

Mouser Part No
652-1202-120S

Bourns

Industrial Surge Protectors AC SPD 10KA RATED 120V

Learn More

Datasheet

23In Stock

£77.07

£64.82

£48.43

£48.42

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 60volts Fail Short

2020-15T-C2FLF
Bourns
1: £3.82
1,022In Stock

Mfr. Part No.
2020-15T-C2FLF

Mouser Part No
652-2020-15T-C2FLF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 60volts Fail Short

Datasheet

1,022In Stock

£3.82

£3.16

£2.92

£2.43

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Sparkover100V/s 350V 3 Pole

2026-35-C2LF
Bourns
1: £1.55
1,869In Stock

Mfr. Part No.
2026-35-C2LF

Mouser Part No
652-2026-35-C2LF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Sparkover100V/s 350V 3 Pole

Learn More

Datasheet

1,869In Stock

£1.55

£1.21

£1.06

£0.952

View

Min.: 1
Mult.: 1

Varistors AVHT AUTO SERIES 17V

AV17K1206201NIR1HT
Bourns
1: £0.217
36,351In Stock

Mfr. Part No.
AV17K1206201NIR1HT

Mouser Part No
652-AV17K1206201NI1H

Bourns

Varistors AVHT AUTO SERIES 17V

Learn More

Datasheet

36,351In Stock

Cut Tape

£0.217

£0.131

£0.113

£0.108

Reel

£0.096

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors AVHT AUTO SERIES 17V

AV17K2220122NIR1HT
Bourns
1: £1.06
6,240In Stock

Mfr. Part No.
AV17K2220122NIR1HT

Mouser Part No
652-AV17K2220122NI1H

Bourns

Varistors AVHT AUTO SERIES 17V

Learn More

Datasheet

6,240In Stock

Cut Tape

£1.06

£0.766

£0.689

£0.602

View

Reel

£0.40

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Varistors Chip Guard 0402 12 VOLTS

CG0402MLC-12LGA
Bourns
1: £0.233
12,930In Stock

Mfr. Part No.
CG0402MLC-12LGA

Mouser Part No
652-CG0402MLC-12LGA

Bourns

Varistors Chip Guard 0402 12 VOLTS

Learn More

Datasheet

12,930In Stock

Cut Tape

£0.233

£0.144

£0.125

£0.115

View

Reel

£0.098

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Varistors IsoMOV 3KA 175Vrms Bulk In-Line

IsoM3-175-B-L2
Bourns
1: £0.89
3,128In Stock

Mfr. Part No.
IsoM3-175-B-L2

Mouser Part No
652-ISOM3-175-B-L2

Bourns

Varistors IsoMOV 3KA 175Vrms Bulk In-Line

Learn More

Datasheet

3,128In Stock

£0.89

£0.497

£0.494

£0.493

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC PTC RESETTABLE 0.17A 60V RADIAL LEADED

MF-R017-2
Bourns
1: £0.338
11,331In Stock

Mfr. Part No.
MF-R017-2

Mouser Part No
652-MF-R017-2

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 0.17A 60V RADIAL LEADED

Learn More

Datasheet

11,331In Stock

Cut Tape

£0.338

£0.259

£0.243

£0.183

Reel

£0.155

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 60V .75A-HD 40A MAX

MF-R075-2
Bourns
1: £0.308
11,646In Stock

Mfr. Part No.
MF-R075-2

Mouser Part No
652-MF-R075-2

Bourns

Resettable Fuses - PPTC 60V .75A-HD 40A MAX

Learn More

Datasheet

11,646In Stock

Cut Tape

£0.308

£0.279

£0.232

£0.214

Reel

£0.143

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 60V .145A-HD 3A MAX

MF-RX014/250-0
Bourns
1: £0.488
11,522In Stock

Mfr. Part No.
MF-RX014/250-0

Mouser Part No
652-MF-RX014/250-0

Bourns

Resettable Fuses - PPTC 60V .145A-HD 3A MAX

Learn More

Datasheet

11,522In Stock

£0.488

£0.419

£0.314

£0.299

View

Min.: 1
Mult.: 1

Circuit Protection Devices

Types of Circuit Protection

Customer Service Office

Company

Resources

Support