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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 #

Surface Mount Fuses 4A Fast Acting 1206 SinglFuse

SF-1206F400-2
Bourns
1: £0.323
19,599In Stock

Mfr. Part No.
SF-1206F400-2

Mouser Part No
652-SF-1206F400-2

Bourns

Surface Mount Fuses 4A Fast Acting 1206 SinglFuse

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Datasheet

19,599In Stock

Cut Tape

£0.323

£0.298

£0.261

£0.247

View

Reel

£0.163

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses .8A 63V FAST ACTING

SF-1206FP080-2
Bourns
1: £0.368
17,604In Stock

Mfr. Part No.
SF-1206FP080-2

Mouser Part No
652-SF-1206FP080-2

Bourns

Surface Mount Fuses .8A 63V FAST ACTING

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Datasheet

17,604In Stock

Cut Tape

£0.368

£0.34

£0.30

£0.285

View

Reel

£0.18

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 4A 32V FAST ACTING

SF-1206FP400-2
Bourns
1: £0.361
8,889In Stock

Mfr. Part No.
SF-1206FP400-2

Mouser Part No
652-SF-1206FP400-2

Bourns

Surface Mount Fuses 4A 32V FAST ACTING

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Datasheet

8,889In Stock

Cut Tape

£0.361

£0.331

£0.29

£0.273

View

Reel

£0.169

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Varistors 18 VDC .4J 38V-CL 355PF

ZV14K0805121NIR1
Bourns
1: £0.135
31,026In Stock

Mfr. Part No.
ZV14K0805121NIR1

Mouser Part No
652-ZV14K0805121NIR1

Bourns

Varistors 18 VDC .4J 38V-CL 355PF

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Datasheet

31,026In Stock

Cut Tape

£0.135

£0.082

£0.07

£0.067

Reel

£0.058

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Varistors ZV 35V 10%

ZV35K1206121NIR1
Bourns
1: £0.188
14,835In Stock

Mfr. Part No.
ZV35K1206121NIR1

Mouser Part No
652-ZV35K1206121NIR1

Bourns

Varistors ZV 35V 10%

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Datasheet

14,835In Stock

Cut Tape

£0.188

£0.113

£0.098

£0.089

Reel

£0.077

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors ZV 50V 10%

ZV50K1210251NIR1HT
Bourns
1: £0.263
14,313In Stock

Mfr. Part No.
ZV50K1210251NIR1HT

Mouser Part No
652-ZV50K1210251NIRH

Bourns

Varistors ZV 50V 10%

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Datasheet

14,313In Stock

Cut Tape

£0.263

£0.16

£0.138

£0.127

Reel

£0.111

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Varistors ZV 60 K 1210 251 NI R1

ZV60K1210251NIR1
Bourns
1: £0.24
11,750In Stock

Mfr. Part No.
ZV60K1210251NIR1

Mouser Part No
652-ZV60K1210251NIR1

Bourns

Varistors ZV 60 K 1210 251 NI R1

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Datasheet

11,750In Stock

Cut Tape

£0.24

£0.148

£0.127

£0.118

Reel

£0.103

View

Min.: 1
Mult.: 1

Reel: 2,000

Surface Mount Fuses 1206 slow-blow met-foil. 15A Auto

SF-1206SA1500R-2
Bourns
1: £0.465
7,634In Stock

Mfr. Part No.
SF-1206SA1500R-2

Mouser Part No
652-SF-1206SA1500R-2

Bourns

Surface Mount Fuses 1206 slow-blow met-foil. 15A Auto

Learn More

Datasheet

7,634In Stock

Cut Tape

£0.465

£0.418

£0.35

£0.319

View

Reel

£0.239

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Varistors CHIP GUARD 24VOLT

CG0402MLU-24G
Bourns
1: £0.271
24,251In Stock

Mfr. Part No.
CG0402MLU-24G

Mouser Part No
652-CG0402MLU-24G

Bourns

Varistors CHIP GUARD 24VOLT

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Datasheet

24,251In Stock

Cut Tape

£0.271

£0.168

£0.144

£0.134

View

Reel

£0.107

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Thermal Cut-offs TRIP TEMP 77C 5C TOL

HC77AY-1
Bourns
1: £1.13
3,413In Stock

Mfr. Part No.
HC77AY-1

Mouser Part No
652-HC77AY-1

Bourns

Thermal Cut-offs TRIP TEMP 77C 5C TOL

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Datasheet

3,413In Stock

£1.13

£1.05

£0.863

£0.796

View

Min.: 1
Mult.: 1

Varistors IsoMOV 3KA 300Vrms Bulk In-Line

IsoM3-300-B-L2
Bourns
1: £0.969
3,265In Stock

Mfr. Part No.
IsoM3-300-B-L2

Mouser Part No
652-ISOM3-300-B-L2

Bourns

Varistors IsoMOV 3KA 300Vrms Bulk In-Line

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Datasheet

3,265In Stock

£0.969

£0.705

£0.64

£0.566

View

Min.: 1
Mult.: 1

Varistors IsoMOV 5KA 420Vrms Bulk In-Line

IsoM5-420-B-L2
Bourns
1: £1.90
5,080In Stock

Mfr. Part No.
IsoM5-420-B-L2

Mouser Part No
652-ISOM5-420-B-L2

Bourns

Varistors IsoMOV 5KA 420Vrms Bulk In-Line

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Datasheet

5,080In Stock

£1.90

£1.20

£1.02

£0.811

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 6V 3.0A-HD 40A MAX

MF-LSMF300X-2
Bourns
1: £0.676
7,626In Stock

Mfr. Part No.
MF-LSMF300X-2

Mouser Part No
652-MF-LSMF300X-2

Bourns

Resettable Fuses - PPTC 6V 3.0A-HD 40A MAX

Learn More

Datasheet

7,626In Stock

Cut Tape

£0.676

£0.619

£0.512

£0.474

View

Reel

£0.292

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

Resettable Fuses - PPTC 60V .5A-HD 40A MAX

MF-R050-2
Bourns
1: £0.39
11,952In Stock

Mfr. Part No.
MF-R050-2

Mouser Part No
652-MF-R050-2

Bourns

Resettable Fuses - PPTC 60V .5A-HD 40A MAX

Learn More

Datasheet

11,952In Stock

Cut Tape

£0.39

£0.349

£0.296

£0.251

Reel

£0.171

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC PTC RESETTABLE 2.5A 30V RADIAL LEADED

MF-R250-0-14
Bourns
1: £0.488
7,904In Stock

Mfr. Part No.
MF-R250-0-14

Mouser Part No
652-MF-R250-0-14

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 2.5A 30V RADIAL LEADED

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Datasheet

7,904In Stock

£0.488

£0.37

£0.347

£0.262

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX

MF-R250-2
Bourns
1: £0.48
8,146In Stock

Mfr. Part No.
MF-R250-2

Mouser Part No
652-MF-R250-2

Bourns

Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX

Learn More

Datasheet

8,146In Stock

Cut Tape

£0.48

£0.369

£0.346

£0.261

Reel

£0.223

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC PTC 2.0A 16V RADIAL LEADED HI-TEMP

MF-RHT200-2
Bourns
1: £0.555
11,614In Stock

Mfr. Part No.
MF-RHT200-2

Mouser Part No
652-MF-RHT200-2

Bourns

Resettable Fuses - PPTC PTC 2.0A 16V RADIAL LEADED HI-TEMP

Learn More

Datasheet

11,614In Stock

Cut Tape

£0.555

£0.431

£0.404

£0.305

Reel

£0.223

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 72V 1.6A-HD 40A MAX

MF-RX160/72-0
Bourns
1: £0.255
12,866In Stock

Mfr. Part No.
MF-RX160/72-0

Mouser Part No
652-MF-RX160/72-0

Bourns

Resettable Fuses - PPTC 72V 1.6A-HD 40A MAX

Learn More

Datasheet

12,866In Stock

£0.255

£0.236

£0.211

£0.204

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 60V 300MA-HD 10A MAX

MF-SMDF030-2
Bourns
1: £0.405
59,341In Stock

Mfr. Part No.
MF-SMDF030-2

Mouser Part No
652-MF-SMDF030-2

Bourns

Resettable Fuses - PPTC 60V 300MA-HD 10A MAX

Learn More

Datasheet

59,341In Stock

Cut Tape

£0.405

£0.308

£0.289

£0.218

£0.203

Reel

£0.197

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

Varistors PV 300V 10%

PV300K3225R2
Bourns
1: £0.436
9,851In Stock

Mfr. Part No.
PV300K3225R2

Mouser Part No
652-PV300K3225R2

Bourns

Varistors PV 300V 10%

Learn More

Datasheet

9,851In Stock

Cut Tape

£0.436

£0.273

£0.238

£0.222

Reel

£0.202

View

Min.: 1
Mult.: 1

Reel: 1,000

Thermal Cut-offs 77C Low Profile SMD HC TCO

SC77AAB
Bourns
1: £0.796
9,556In Stock

Mfr. Part No.
SC77AAB

Mouser Part No
652-SC77AAB

Bourns

Thermal Cut-offs 77C Low Profile SMD HC TCO

Learn More

Datasheet

9,556In Stock

Cut Tape

£0.796

£0.731

£0.606

£0.388

£0.352

Reel

£0.352

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 0.5A Fast Acting 0402 SinglFuse

SF-0402F050-2
Bourns
1: £0.308
15,114In Stock

Mfr. Part No.
SF-0402F050-2

Mouser Part No
652-SF-0402F050-2

Bourns

Surface Mount Fuses 0.5A Fast Acting 0402 SinglFuse

Learn More

Datasheet

15,114In Stock

Cut Tape

£0.308

£0.214

£0.186

£0.173

Reel

£0.173

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Surface Mount Fuses 0.4A Fast Acting 0603 Singlfuse

SF-0603F040-2
Bourns
1: £0.458
6,946In Stock

Mfr. Part No.
SF-0603F040-2

Mouser Part No
652-SF-0603F040-2

Bourns

Surface Mount Fuses 0.4A Fast Acting 0603 Singlfuse

Learn More

Datasheet

6,946In Stock

Cut Tape

£0.458

£0.382

£0.322

£0.268

View

Reel

£0.169

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 3A Fast Acting 0603 SinglFuse

SF-0603F300-2
Bourns
1: £0.338
9,151In Stock

Mfr. Part No.
SF-0603F300-2

Mouser Part No
652-SF-0603F300-2

Bourns

Surface Mount Fuses 3A Fast Acting 0603 SinglFuse

Learn More

Datasheet

9,151In Stock

Cut Tape

£0.338

£0.312

£0.272

£0.258

View

Reel

£0.167

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 0.63A Slow Blow 0603 SinglFuse

SF-0603S063-2
Bourns
1: £0.315
8,969In Stock

Mfr. Part No.
SF-0603S063-2

Mouser Part No
652-SF-0603S063-2

Bourns

Surface Mount Fuses 0.63A Slow Blow 0603 SinglFuse

Learn More

Datasheet

8,969In Stock

Cut Tape

£0.315

£0.278

£0.228

£0.201

View

Reel

£0.166

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Circuit Protection Devices

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Circuit Protection Devices

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