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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 (8,016)

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Part #

Varistors 7mm Radial Disc MOV - Kinked Leads, T&R

MOV-07D390KKTR
Bourns
1: €0.439
1,940In Stock

Mfr. Part No.
MOV-07D390KKTR

Mouser Part No
652-MOV-07D390KKTR

Bourns

Varistors 7mm Radial Disc MOV - Kinked Leads, T&R

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Datasheet

1,940In Stock

Cut Tape

€0.439

€0.282

€0.176

€0.148

Reel

€0.073

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Varistors 7mm Radial Disc MOV - Kinked Leads, T&R

MOV-07D431KKTR
Bourns
1: €0.172
7,344In Stock

Mfr. Part No.
MOV-07D431KKTR

Mouser Part No
652-MOV-07D431KKTR

Bourns

Varistors 7mm Radial Disc MOV - Kinked Leads, T&R

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Datasheet

7,344In Stock

Cut Tape

€0.172

€0.095

€0.082

€0.074

Reel

€0.068

View

Min.: 1
Mult.: 1

: 1,500

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

MOV-14D221KKTR
Bourns
1: €0.722
5,835In Stock

Mfr. Part No.
MOV-14D221KKTR

Mouser Part No
652-MOV-14D221KKTR

Bourns

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

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Datasheet

5,835In Stock

Cut Tape

€0.722

€0.432

€0.272

€0.238

Reel

€0.203

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

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

MOV-14D470KKTR
Bourns
1: €0.791
4,360In Stock

Mfr. Part No.
MOV-14D470KKTR

Mouser Part No
652-MOV-14D470KKTR

Bourns

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

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Datasheet

4,360In Stock

Cut Tape

€0.791

€0.476

€0.305

€0.283

Reel

€0.239

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE 2POLE 600VOLT

2027-60-BT1LF
Bourns
1: €1.38
3,035In Stock

Mfr. Part No.
2027-60-BT1LF

Mouser Part No
652-2027-60-BT1LF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE 2POLE 600VOLT

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Datasheet

3,035In Stock

Cut Tape

€1.38

€1.28

€1.07

€0.98

Reel

€0.77

View

Min.: 1
Mult.: 1

: 1,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE HIGH VOLTAGE

2039-110-SM-RPLF
Bourns
1: €1.06
5,236In Stock

Mfr. Part No.
2039-110-SM-RPLF

Mouser Part No
652-2039-110-SM-RPLF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE HIGH VOLTAGE

Datasheet

5,236In Stock

Cut Tape

€1.06

€0.972

€0.806

€0.744

View

Reel

€0.558

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Thermal Cut-offs TRIP TEMP 90C 5C TOL

HC90AY-1
Bourns
1: €1.20
3,108In Stock

Mfr. Part No.
HC90AY-1

Mouser Part No
652-HC90AY-1

Bourns

Thermal Cut-offs TRIP TEMP 90C 5C TOL

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Datasheet

3,108In Stock

€1.20

€1.14

€0.989

€0.912

View

Min.: 1
Mult.: 1

Thermal Cut-offs TRIP TEMP 77C 5C TOL

LC77AY-1
Bourns
1: €1.05
7,547In Stock

Mfr. Part No.
LC77AY-1

Mouser Part No
652-LC77AY-1

Bourns

Thermal Cut-offs TRIP TEMP 77C 5C TOL

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Datasheet

7,547In Stock

€1.05

€0.963

€0.799

€0.733

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/6V

MF-LSMF330X-2
Bourns
1: €0.645
8,916In Stock

Mfr. Part No.
MF-LSMF330X-2

Mouser Part No
652-MF-LSMF330X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/6V

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Datasheet

8,916In Stock

Cut Tape

€0.645

€0.495

€0.464

€0.35

View

Reel

€0.259

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

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

MF-R250U
Bourns
1: €0.43
7,526In Stock

Mfr. Part No.
MF-R250U

Mouser Part No
652-MF-R250U

Bourns

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

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Datasheet

7,526In Stock

€0.43

€0.386

€0.256

€0.23

View

Min.: 1
Mult.: 1

Varistors PV 140V 10%

PV140K4032R2
Bourns
1: €0.714
4,783In Stock

Mfr. Part No.
PV140K4032R2

Mouser Part No
652-PV140K4032R2

Bourns

Varistors PV 140V 10%

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Datasheet

4,783In Stock

Cut Tape

€0.714

€0.456

€0.40

€0.373

Reel

€0.343

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Thermal Cut-offs HC TCO 77C BL-51

SA77SB0
Bourns
1: €0.929
23,218In Stock

Mfr. Part No.
SA77SB0

Mouser Part No
652-SA77SB0

Bourns

Thermal Cut-offs HC TCO 77C BL-51

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Datasheet

23,218In Stock

Cut Tape

€0.929

€0.857

€0.711

€0.624

View

Reel

€0.40

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Thermal Cut-offs 72C Reinforced Cover SMD HC TCO

SC72AAA
Bourns
1: €0.946
4,529In Stock

Mfr. Part No.
SC72AAA

Mouser Part No
652-SC72AAA

Bourns

Thermal Cut-offs 72C Reinforced Cover SMD HC TCO

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Datasheet

4,529In Stock

Cut Tape

€0.946

€0.828

€0.822

€0.655

View

Reel

€0.505

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 4A Fast Acting 0603 SinglFuse

SF-0603F400-2
Bourns
1: €0.482
21,852In Stock

Mfr. Part No.
SF-0603F400-2

Mouser Part No
652-SF-0603F400-2

Bourns

Surface Mount Fuses 4A Fast Acting 0603 SinglFuse

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Datasheet

21,852In Stock

Cut Tape

€0.482

€0.421

€0.369

€0.335

View

Reel

€0.21

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 1A 32V TIME DELAY

SF-0603SP100-2
Bourns
1: €0.654
15,776In Stock

Mfr. Part No.
SF-0603SP100-2

Mouser Part No
652-SF-0603SP100-2

Bourns

Surface Mount Fuses 1A 32V TIME DELAY

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Datasheet

15,776In Stock

Cut Tape

€0.654

€0.519

€0.438

€0.384

View

Reel

€0.343

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 1.6A 32V TIME DELAY

SF-0603SP160-2
Bourns
1: €0.654
18,045In Stock

Mfr. Part No.
SF-0603SP160-2

Mouser Part No
652-SF-0603SP160-2

Bourns

Surface Mount Fuses 1.6A 32V TIME DELAY

Learn More

Datasheet

18,045In Stock

Cut Tape

€0.654

€0.519

€0.438

€0.384

View

Reel

€0.243

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 6A 50V TIME DELAY

SF-0603SP600-2
Bourns
1: €0.654
13,408In Stock

Mfr. Part No.
SF-0603SP600-2

Mouser Part No
652-SF-0603SP600-2

Bourns

Surface Mount Fuses 6A 50V TIME DELAY

Learn More

Datasheet

13,408In Stock

Cut Tape

€0.654

€0.501

€0.432

€0.379

View

Reel

€0.243

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 0603 time-lag met-foil. 5A Auto

SF-0603SPA500R-2
Bourns
1: €0.912
4,306In Stock

Mfr. Part No.
SF-0603SPA500R-2

Mouser Part No
652-SF-0603SPA500R-2

Bourns

Surface Mount Fuses 0603 time-lag met-foil. 5A Auto

Learn More

Datasheet

4,306In Stock

Cut Tape

€0.912

€0.728

€0.612

€0.531

View

Reel

€0.326

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

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

SF-1206SA1500R-2
Bourns
1: €0.843
7,076In 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

7,076In Stock

Cut Tape

€0.843

€0.67

€0.564

€0.49

View

Reel

€0.30

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional

TISP4030L1AJR-S
Bourns
1: €0.688
19,301In Stock

Mfr. Part No.
TISP4030L1AJR-S

Mouser Part No
652-TISP4030L1AJR-S

Bourns

Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional

Learn More

Datasheet

19,301In Stock

Cut Tape

€0.688

€0.374

€0.253

€0.194

Reel

€0.143

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional

TISP4040L1BJR-S
Bourns
1: €0.576
11,387In Stock
12,000Expected 21/08/2026

Mfr. Part No.
TISP4040L1BJR-S

Mouser Part No
652-TISP4040L1BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional

Learn More

Datasheet

11,387In Stock

12,000Expected 21/08/2026

Cut Tape

€0.576

€0.415

€0.26

€0.201

Reel

€0.157

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Miniature 3-Pole Gas Discharge Tube

2036-09-B2FLF
Bourns
1: €2.25
1,134In Stock

Mfr. Part No.
2036-09-B2FLF

Mouser Part No
652-2036-09-B2FLF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Miniature 3-Pole Gas Discharge Tube

Datasheet

1,134In Stock

€2.25

€2.08

€1.73

€1.55

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/16V

MF-LSMF260/16X-2
Bourns
1: €0.662
7,826In Stock

Mfr. Part No.
MF-LSMF260/16X-2

Mouser Part No
652-MF-LSMF260/16X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/16V

Learn More

Datasheet

7,826In Stock

Cut Tape

€0.662

€0.531

€0.477

€0.36

View

Reel

€0.272

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 42V 200MA-HD 40A MAX

MF-MSHT020KX-2
Bourns
1: €0.645
8,996In Stock

Mfr. Part No.
MF-MSHT020KX-2

Mouser Part No
652-MF-MSHT020KX-2

Bourns

Resettable Fuses - PPTC 42V 200MA-HD 40A MAX

Learn More

Datasheet

8,996In Stock

Cut Tape

€0.645

€0.541

€0.476

€0.449

Reel

€0.36

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 6V 1.1A-HD 100A MAX

MF-NSMF110-2
Bourns
1: €0.232
20,262In Stock

Mfr. Part No.
MF-NSMF110-2

Mouser Part No
652-MF-NSMF110-2

Bourns

Resettable Fuses - PPTC 6V 1.1A-HD 100A MAX

Learn More

Datasheet

20,262In Stock

Cut Tape

€0.232

€0.213

€0.194

€0.181

Reel

€0.132

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Circuit Protection Devices

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