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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.

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Part #

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

MOV-14D241KKTR
Bourns
1: $0.76
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

$0.76

$0.455

$0.285

$0.243

Reel

$0.212

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

MOV-14D560KKTR
Bourns
1: $0.92
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

$0.92

$0.553

$0.347

$0.305

Reel

$0.23

View

Min.: 1
Mult.: 1

Reel: 500

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

MOV-14D561KKTR
Bourns
1: $0.95
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

$0.95

$0.567

$0.356

$0.313

Reel

$0.266

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

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

MOV-14D820KKTR
Bourns
1: $0.78
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

$0.78

$0.464

$0.291

$0.253

Reel

$0.217

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

MOV-20D201KKTR
Bourns
1: $1.24
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

$1.24

$0.754

$0.483

Reel

$0.441

$0.375

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

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

MOV-20D301KKTR
Bourns
1: $1.27
1,690In Stock
6,000Expected 22/06/2026

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 22/06/2026

Cut Tape

$1.27

$0.77

$0.494

Reel

$0.451

$0.383

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

Varistors CHIP GUARD 24VOLT

CG0402MLU-24G
Bourns
1: $0.36
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

$0.36

$0.223

$0.192

$0.178

View

Reel

$0.143

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Varistors IsoMOV 3KA 300Vrms Bulk In-Line

IsoM3-300-B-L2
Bourns
1: $1.29
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

$1.29

$0.94

$0.852

$0.754

View

Min.: 1
Mult.: 1

Varistors IsoMOV 5KA 420Vrms Bulk In-Line

IsoM5-420-B-L2
Bourns
1: $2.54
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

$2.54

$1.60

$1.36

$1.08

View

Min.: 1
Mult.: 1

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

MF-LSMF300X-2
Bourns
1: $0.90
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

$0.90

$0.824

$0.682

$0.632

View

Reel

$0.40

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

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

MF-R050-2
Bourns
1: $0.52
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

$0.52

$0.465

$0.394

$0.334

Reel

$0.226

View

Min.: 1
Mult.: 1

Reel: 3,000

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

MF-R250-0-14
Bourns
1: $0.65
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

$0.65

$0.493

$0.462

$0.349

View

Min.: 1
Mult.: 1

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

MF-R250-2
Bourns
1: $0.64
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

$0.64

$0.492

$0.461

$0.348

Reel

$0.253

View

Min.: 1
Mult.: 1

Reel: 3,000

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

MF-RHT200-2
Bourns
1: $0.75
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

$0.75

$0.575

$0.539

$0.407

Reel

$0.296

View

Min.: 1
Mult.: 1

Reel: 3,000

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

MF-RX160/72-0
Bourns
1: $0.34
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

$0.34

$0.314

$0.281

$0.272

View

Min.: 1
Mult.: 1

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

MF-SMDF030-2
Bourns
1: $0.54
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

$0.54

$0.411

$0.385

$0.291

View

Reel

$0.185

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

Varistors PV 300V 10%

PV300K3225R2
Bourns
1: $0.58
9,851In Stock

Mfr. Part No.
PV300K3225R2

Mouser Part No
652-PV300K3225R2

Bourns

Varistors PV 300V 10%

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Datasheet

9,851In Stock

Cut Tape

$0.58

$0.364

$0.317

$0.295

Reel

$0.269

View

Min.: 1
Mult.: 1

Reel: 1,000

Thermal Cut-offs 77C Low Profile SMD HC TCO

SC77AAB
Bourns
1: $1.06
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

$1.06

$0.973

$0.808

$0.573

$0.48

Reel

$0.45

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 0.5A Fast Acting 0402 SinglFuse

SF-0402F050-2
Bourns
1: $0.49
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

$0.49

$0.366

$0.313

$0.274

View

Reel

$0.236

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Surface Mount Fuses 0.4A Fast Acting 0603 Singlfuse

SF-0603F040-2
Bourns
1: $0.61
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

$0.61

$0.509

$0.429

$0.357

View

Reel

$0.225

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 3A Fast Acting 0603 SinglFuse

SF-0603F300-2
Bourns
1: $0.45
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

$0.45

$0.415

$0.363

$0.343

View

Reel

$0.222

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 0.63A Slow Blow 0603 SinglFuse

SF-0603S063-2
Bourns
1: $0.42
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

$0.42

$0.37

$0.304

$0.267

View

Reel

$0.22

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 3A Fast Acting 1206 SinglFuse

SF-1206F300-2
Bourns
1: $0.49
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

$0.49

$0.356

$0.303

$0.273

View

Reel

$0.194

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Surface Mount Fuses 2A 63V FAST ACTING

SF-1206FP200-2
Bourns
1: $0.49
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

$0.49

$0.446

$0.389

$0.362

View

Reel

$0.23

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Thyristor Surge Protection Devices - TSPD Sidacs Very Low Volt Bidirectional

TISP4025H1BJR-S
Bourns
1: $1.29
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

$1.29

$0.811

$0.537

$0.422

Reel

$0.334

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Circuit Protection Devices

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