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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 (8.022)

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Part #

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.35A/72V

MF-LSMF035/72X-2
Bourns
1: Rp18.346
3.196In Stock
New Product

Mfr. Part No.
MF-LSMF035/72X-2

Mouser Part No
652-MF-LSMF035/72X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.35A/72V

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Datasheet

3.196In Stock

Cut Tape

Rp18.346

Rp13.888

Rp10.512

Rp10.182

View

Reel

Rp6.274

Min.: 1
Mult.: 1

: 4.000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.5A/72V

MF-LSMF050/72X-2
Bourns
1: Rp18.346
3.134In Stock
New Product

Mfr. Part No.
MF-LSMF050/72X-2

Mouser Part No
652-MF-LSMF050/72X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.5A/72V

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Datasheet

3.134In Stock

Cut Tape

Rp18.346

Rp13.888

Rp10.512

Rp10.182

View

Reel

Rp6.274

Min.: 1
Mult.: 1

: 4.000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.0A/33V

MF-LSMF200/33X-2
Bourns
1: Rp22.382
3.048In Stock
New Product

Mfr. Part No.
MF-LSMF200/33X-2

Mouser Part No
652-MF-LSMF200/33X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.0A/33V

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Datasheet

3.048In Stock

Cut Tape

Rp22.382

Rp16.677

Rp12.512

Rp12.237

View

Reel

Rp7.467

Min.: 1
Mult.: 1

: 4.000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.75A/72V

MF-LSMF075/72X-2
Bourns
1: Rp18.529
3.199In Stock
New Product

Mfr. Part No.
MF-LSMF075/72X-2

Mouser Part No
652-MF-LSMF075/72X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.75A/72V

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Datasheet

3.199In Stock

Cut Tape

Rp18.529

Rp13.906

Rp10.531

Rp10.200

View

Reel

Rp6.274

Min.: 1
Mult.: 1

: 4.000

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

PTVS1-026C-H
Bourns
1: Rp80.172
10.418In Stock

Mfr. Part No.
PTVS1-026C-H

Mouser Part No
652-PTVS1-026C-H

Bourns

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

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Datasheet

10.418In Stock

Cut Tape

Rp80.172

Rp54.121

Rp47.883

Rp46.415

Rp43.663

Reel

Rp41.829

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

PTVS1-086C-H
Bourns
1: Rp99.435
9.845In Stock

Mfr. Part No.
PTVS1-086C-H

Mouser Part No
652-PTVS1-086C-H

Bourns

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

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Datasheet

9.845In Stock

Cut Tape

Rp99.435

Rp70.082

Rp60.358

Rp59.074

Reel

Rp53.203

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Fuse Holder CFB1 FUSE BLOCK, NO FUSE

CFB1-NF
Bourns
1: Rp952.708
22In Stock
New Product

Mfr. Part No.
CFB1-NF

Mouser Part No
652-CFB1-NF

New Product

Bourns

Fuse Holder CFB1 FUSE BLOCK, NO FUSE

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Datasheet

22In Stock

Rp952.708

Rp790.162

Rp728.887

Rp590.925

Min.: 1
Mult.: 1

Fuse Holder CFB1 FUSE BLOCK 150A FUSE

CFB1-150
Bourns
1: Rp1.153.046
33In Stock
New Product

Mfr. Part No.
CFB1-150

Mouser Part No
652-CFB1-150

New Product

Bourns

Fuse Holder CFB1 FUSE BLOCK 150A FUSE

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Datasheet

33In Stock

Rp1.153.046

Rp1.041.136

Rp805.206

Rp779.155

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

PTVS1-029C-H
Bourns
1: Rp80.172
8.609In Stock

Mfr. Part No.
PTVS1-029C-H

Mouser Part No
652-PTVS1-029C-H

Bourns

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

Learn More

Datasheet

8.609In Stock

Cut Tape

Rp80.172

Rp55.772

Rp47.883

Rp46.415

Reel

Rp42.746

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Thermal Cut-offs TCO, High Current, SMD, 90C, Self Hold AEC-Q200

SD90ABB
Bourns
1: Rp43.113
15.400In Stock

Mfr. Part No.
SD90ABB

Mouser Part No
652-SD90ABB

Bourns

Thermal Cut-offs TCO, High Current, SMD, 90C, Self Hold AEC-Q200

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Datasheet

15.400In Stock

Cut Tape

Rp43.113

Rp39.811

Rp33.023

Rp29.354

View

Reel

Rp19.997

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 350V

GDT35-35-S1-RP
Bourns
1: Rp32.656
1.573In Stock

Mfr. Part No.
GDT35-35-S1-RP

Mouser Part No
652-GDT35-35-S1-RP

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 350V

Learn More

Datasheet

1.573In Stock

Cut Tape

Rp32.656

Rp30.087

Rp24.951

Rp23.116

Reel

Rp17.025

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V

GDT35-42-S1-RP
Bourns
1: Rp32.656
1.965In Stock

Mfr. Part No.
GDT35-42-S1-RP

Mouser Part No
652-GDT35-42-S1-RP

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V

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Datasheet

1.965In Stock

Cut Tape

Rp32.656

Rp30.087

Rp24.951

Rp23.116

Reel

Rp17.025

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V

GDT35-47-S1-RP
Bourns
1: Rp32.656
1.762In Stock

Mfr. Part No.
GDT35-47-S1-RP

Mouser Part No
652-GDT35-47-S1-RP

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V

Learn More

Datasheet

1.762In Stock

Cut Tape

Rp32.656

Rp30.087

Rp24.951

Rp23.116

Reel

Rp17.300

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

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

MOV-20D621KKTR
Bourns
1: Rp32.472
4.761In Stock
6.000Expected 19/10/2026

Mfr. Part No.
MOV-20D621KKTR

Mouser Part No
652-MOV-20D621KKTR

Bourns

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

Learn More

Datasheet

4.761In Stock

6.000Expected 19/10/2026

Cut Tape

Rp32.472

Rp19.997

Rp13.741

Reel

Rp12.824

Rp11.338

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

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

MOV-14D271KKTR
Bourns
1: Rp15.411
17.500In Stock

Mfr. Part No.
MOV-14D271KKTR

Mouser Part No
652-MOV-14D271KKTR

Bourns

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

Learn More

Datasheet

17.500In Stock

Cut Tape

Rp15.411

Rp9.283

Rp5.834

Rp5.119

Reel

Rp4.366

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Thermal Cut-offs TCO, High Current, SMD, 135C, Self Hold AEC-Q200

SDD5ABB
Bourns
1: Rp47.333
3.835In Stock

Mfr. Part No.
SDD5ABB

Mouser Part No
652-SDD5ABB

Bourns

Thermal Cut-offs TCO, High Current, SMD, 135C, Self Hold AEC-Q200

Datasheet

3.835In Stock

Cut Tape

Rp47.333

Rp42.746

Rp34.490

Rp30.087

View

Reel

Rp18.713

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Industrial & Electrical Fuses POWrFuse TH 600Vac 125Vdc 63A

PF-GT3-63
Bourns
1: Rp600.465
274In Stock

Mfr. Part No.
PF-GT3-63

Mouser Part No
652-PF-GT3-63

Bourns

Industrial & Electrical Fuses POWrFuse TH 600Vac 125Vdc 63A

Learn More

Datasheet

274In Stock

Rp600.465

Rp463.237

Rp448.927

Rp416.454

View

Min.: 1
Mult.: 1

Automotive Fuses POWrFuse TH 275Vac 500Vdc 50A

PF-KT1-50
Bourns
1: Rp617.710
300In Stock

Mfr. Part No.
PF-KT1-50

Mouser Part No
652-PF-KT1-50

Bourns

Automotive Fuses POWrFuse TH 275Vac 500Vdc 50A

Learn More

Datasheet

300In Stock

Rp617.710

Rp539.739

Rp426.728

Rp379.028

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 22volts 5uA 84.4 Amps Bi-Dir

SMLJ22CA
Bourns
1: Rp21.648
33.792In Stock

Mfr. Part No.
SMLJ22CA

Mouser Part No
652-SMLJ22CA

Bourns

ESD Protection Diodes / TVS Diodes 22volts 5uA 84.4 Amps Bi-Dir

Learn More

Datasheet

33.792In Stock

Cut Tape

Rp21.648

Rp14.677

Rp11.246

Rp9.522

Reel

Rp8.311

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Automotive Fuses POWrFuse TH 275Vac 500Vdc 30A

PF-KT1-30
Bourns
1: Rp630.552
282In Stock

Mfr. Part No.
PF-KT1-30

Mouser Part No
652-PF-KT1-30

Bourns

Automotive Fuses POWrFuse TH 275Vac 500Vdc 30A

Learn More

Datasheet

282In Stock

Rp630.552

Rp523.044

Rp346.189

Rp294.270

Min.: 1
Mult.: 1

Board Mount Surge Protectors 650V, 50mA Single Bidirectional TBU, AECQ

TBU-CA065-050-WH-Q
Bourns
1: Rp40.912
9.861In Stock

Mfr. Part No.
TBU-CA065-050-WH-Q

Mouser Part No
652-TBU-CA065-050WHQ

Bourns

Board Mount Surge Protectors 650V, 50mA Single Bidirectional TBU, AECQ

Learn More

Datasheet

9.861In Stock

Cut Tape

Rp40.912

Rp33.390

Rp21.281

Rp20.364

Reel

Rp19.814

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes SO-8 2.8V 8DIODE Low Capacitance

CDNBS08-SLVU2.8-8
Bourns
1: Rp68.614
9.482In Stock

Mfr. Part No.
CDNBS08-SLVU2.8-8

Mouser Part No
652-CDNBS08SLVU2.8-8

Bourns

ESD Protection Diodes / TVS Diodes SO-8 2.8V 8DIODE Low Capacitance

Learn More

Datasheet

9.482In Stock

Cut Tape

Rp68.614

Rp49.901

Rp35.958

Rp32.472

View

Reel

Rp27.519

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Surface Mount Fuses 10A 250V FAST ACTING

SF-3812F1000T-2
Bourns
1: Rp64.394
10.826In Stock

Mfr. Part No.
SF-3812F1000T-2

Mouser Part No
652-SF-3812F1000T-2

Bourns

Surface Mount Fuses 10A 250V FAST ACTING

Learn More

Datasheet

10.826In Stock

Cut Tape

Rp64.394

Rp54.121

Rp42.563

Rp37.793

Reel

Rp26.602

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Thermal Cut-offs TCO, High Current, SMD, 55C, Self Hold AEC-Q200

SD55ABB
Bourns
1: Rp43.113
3.309In Stock

Mfr. Part No.
SD55ABB

Mouser Part No
652-SD55ABB

Bourns

Thermal Cut-offs TCO, High Current, SMD, 55C, Self Hold AEC-Q200

Learn More

Datasheet

3.309In Stock

Cut Tape

Rp43.113

Rp39.811

Rp33.023

Rp29.354

View

Reel

Rp18.713

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Automotive Fuses POWrFuse BD 275Vac 500Vdc 50A

PF-KB1-50
Bourns
1: Rp639.725
163In Stock

Mfr. Part No.
PF-KB1-50

Mouser Part No
652-PF-KB1-50

Bourns

Automotive Fuses POWrFuse BD 275Vac 500Vdc 50A

Learn More

Datasheet

163In Stock

Rp639.725

Rp530.750

Rp416.454

Rp383.615

Rp365.636

Min.: 1
Mult.: 1

Circuit Protection Devices

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Circuit Protection Devices

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