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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 #

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

MOV-14D241KKTR
Bourns
1: $1.06
5,384In Stock

Mfr. Part No.
MOV-14D241KKTR

Mouser Part No
652-MOV-14D241KKTR

Bourns

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

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Datasheet

5,384In Stock

Cut Tape

$1.06

$0.632

$0.396

$0.338

Reel

$0.295

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

MOV-14D560KKTR
Bourns
1: $1.28
4,859In Stock

Mfr. Part No.
MOV-14D560KKTR

Mouser Part No
652-MOV-14D560KKTR

Bourns

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

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Datasheet

4,859In Stock

Cut Tape

$1.28

$0.769

$0.482

$0.424

Reel

$0.32

View

Min.: 1
Mult.: 1

Reel: 500

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

MOV-14D561KKTR
Bourns
1: $1.32
5,072In Stock

Mfr. Part No.
MOV-14D561KKTR

Mouser Part No
652-MOV-14D561KKTR

Bourns

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

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Datasheet

5,072In Stock

Cut Tape

$1.32

$0.788

$0.495

$0.435

Reel

$0.37

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

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

MOV-14D820KKTR
Bourns
1: $1.08
3,605In Stock

Mfr. Part No.
MOV-14D820KKTR

Mouser Part No
652-MOV-14D820KKTR

Bourns

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

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Datasheet

3,605In Stock

Cut Tape

$1.08

$0.645

$0.404

$0.352

Reel

$0.302

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

MOV-20D201KKTR
Bourns
1: $1.72
4,002In Stock

Mfr. Part No.
MOV-20D201KKTR

Mouser Part No
652-MOV-20D201KKTR

Bourns

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

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Datasheet

4,002In Stock

Cut Tape

$1.72

$1.05

$0.671

Reel

$0.613

$0.521

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

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

MOV-20D301KKTR
Bourns
1: $1.77
1,690In Stock
6,000Expected 22/6/2026

Mfr. Part No.
MOV-20D301KKTR

Mouser Part No
652-MOV-20D301KKTR

Bourns

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

Learn More

Datasheet

1,690In Stock

6,000Expected 22/6/2026

Cut Tape

$1.77

$1.07

$0.687

Reel

$0.627

$0.532

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

Varistors CHIP GUARD 24VOLT

CG0402MLU-24G
Bourns
1: $0.50
24,192In Stock

Mfr. Part No.
CG0402MLU-24G

Mouser Part No
652-CG0402MLU-24G

Bourns

Varistors CHIP GUARD 24VOLT

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Datasheet

24,192In Stock

Cut Tape

$0.50

$0.31

$0.267

$0.247

View

Reel

$0.199

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Varistors IsoMOV 3KA 300Vrms Bulk In-Line

IsoM3-300-B-L2
Bourns
1: $1.79
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

$1.79

$1.31

$1.18

$1.05

View

Min.: 1
Mult.: 1

Varistors IsoMOV 5KA 420Vrms Bulk In-Line

IsoM5-420-B-L2
Bourns
1: $3.53
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

$3.53

$2.22

$1.89

$1.50

View

Min.: 1
Mult.: 1

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

MF-LSMF300X-2
Bourns
1: $1.25
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

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Datasheet

7,626In Stock

Cut Tape

$1.25

$1.15

$0.948

$0.878

View

Reel

$0.556

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

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

MF-R050-2
Bourns
1: $0.723
11,942In Stock

Mfr. Part No.
MF-R050-2

Mouser Part No
652-MF-R050-2

Bourns

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

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Datasheet

11,942In Stock

Cut Tape

$0.723

$0.646

$0.548

$0.464

Reel

$0.314

View

Min.: 1
Mult.: 1

Reel: 3,000

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

MF-R250-0-14
Bourns
1: $0.904
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

$0.904

$0.685

$0.642

$0.485

View

Min.: 1
Mult.: 1

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

MF-R250-2
Bourns
1: $0.89
8,143In Stock

Mfr. Part No.
MF-R250-2

Mouser Part No
652-MF-R250-2

Bourns

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

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Datasheet

8,143In Stock

Cut Tape

$0.89

$0.684

$0.641

$0.484

Reel

$0.352

View

Min.: 1
Mult.: 1

Reel: 3,000

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

MF-RHT200-2
Bourns
1: $1.04
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

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Datasheet

11,614In Stock

Cut Tape

$1.04

$0.799

$0.749

$0.566

Reel

$0.411

View

Min.: 1
Mult.: 1

Reel: 3,000

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

MF-RX160/72-0
Bourns
1: $0.473
12,865In 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

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Datasheet

12,865In Stock

$0.473

$0.436

$0.391

$0.378

View

Min.: 1
Mult.: 1

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

MF-SMDF030-2
Bourns
1: $0.751
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

$0.751

$0.571

$0.535

$0.404

View

Reel

$0.257

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

Varistors PV 300V 10%

PV300K3225R2
Bourns
1: $0.806
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

$0.806

$0.506

$0.441

$0.41

Reel

$0.374

View

Min.: 1
Mult.: 1

Reel: 1,000

Thermal Cut-offs 77C Low Profile SMD HC TCO

SC77AAB
Bourns
1: $1.47
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

$1.47

$1.35

$1.12

$0.796

$0.667

Reel

$0.626

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 0.5A Fast Acting 0402 SinglFuse

SF-0402F050-2
Bourns
1: $0.681
15,075In 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

15,075In Stock

Cut Tape

$0.681

$0.509

$0.435

$0.381

View

Reel

$0.328

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Surface Mount Fuses 0.4A Fast Acting 0603 Singlfuse

SF-0603F040-2
Bourns
1: $0.848
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

$0.848

$0.708

$0.596

$0.496

View

Reel

$0.313

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 3A Fast Acting 0603 SinglFuse

SF-0603F300-2
Bourns
1: $0.626
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

$0.626

$0.577

$0.505

$0.477

View

Reel

$0.309

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 0.63A Slow Blow 0603 SinglFuse

SF-0603S063-2
Bourns
1: $0.584
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

$0.584

$0.514

$0.423

$0.371

View

Reel

$0.306

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 3A Fast Acting 1206 SinglFuse

SF-1206F300-2
Bourns
1: $0.681
14,262In Stock

Mfr. Part No.
SF-1206F300-2

Mouser Part No
652-SF-1206F300-2

Bourns

Surface Mount Fuses 3A Fast Acting 1206 SinglFuse

Learn More

Datasheet

14,262In Stock

Cut Tape

$0.681

$0.495

$0.421

$0.379

View

Reel

$0.27

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 2A 63V FAST ACTING

SF-1206FP200-2
Bourns
1: $0.681
6,077In Stock

Mfr. Part No.
SF-1206FP200-2

Mouser Part No
652-SF-1206FP200-2

Bourns

Surface Mount Fuses 2A 63V FAST ACTING

Learn More

Datasheet

6,077In Stock

Cut Tape

$0.681

$0.62

$0.541

$0.503

View

Reel

$0.32

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Thyristor Surge Protection Devices - TSPD Sidacs Very Low Volt Bidirectional

TISP4025H1BJR-S
Bourns
1: $1.79
9,422In Stock

Mfr. Part No.
TISP4025H1BJR-S

Mouser Part No
652-TISP4025H1BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD Sidacs Very Low Volt Bidirectional

Learn More

Datasheet

9,422In Stock

Cut Tape

$1.79

$1.13

$0.746

$0.587

Reel

$0.464

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Circuit Protection Devices

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