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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 #

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

MF-LSMF260/16X-2
Bourns
1: $1.05
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

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Datasheet

7,826In Stock

Cut Tape

$1.05

$0.84

$0.755

$0.57

View

Reel

$0.43

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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

MF-MSHT020KX-2
Bourns
1: $1.02
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

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Datasheet

8,996In Stock

Cut Tape

$1.02

$0.855

$0.752

$0.71

Reel

$0.57

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

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

MF-NSMF110-2
Bourns
1: $0.367
20,062In Stock

Mfr. Part No.
MF-NSMF110-2

Mouser Part No
652-MF-NSMF110-2

Bourns

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

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Datasheet

20,062In Stock

Cut Tape

$0.367

$0.337

$0.307

$0.287

Reel

$0.203

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

MF-R250-AP-10
Bourns
1: $0.68
11,510In Stock

Mfr. Part No.
MF-R250-AP-10

Mouser Part No
652-MF-R250-AP-10

Bourns

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

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Datasheet

11,510In Stock

$0.68

$0.627

$0.52

$0.475

Reel

$0.303

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 240V .55A-HD 7A MAX

MF-RM055/240-0
Bourns
1: $1.48
3,169In Stock

Mfr. Part No.
MF-RM055/240-0

Mouser Part No
652-MF-RM055/240-0

Bourns

Resettable Fuses - PPTC 240V .55A-HD 7A MAX

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Datasheet

3,169In Stock

$1.48

$1.37

$1.09

$1.04

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC PTC RESETTABLE 1.35A 72V RADIAL LEADED

MF-RX135/72-2-14
Bourns
1: $0.966
9,341In Stock

Mfr. Part No.
MF-RX135/72-2-14

Mouser Part No
652-MF-RX135/72-2-14

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 1.35A 72V RADIAL LEADED

Datasheet

9,341In Stock

Cut Tape

$0.966

$0.888

$0.737

$0.68

Reel

$0.445

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 1210 SMD High-Temp Polymer PTC, 16V/0.75

MF-USHT075KX-2
Bourns
1: $0.938
10,126In Stock

Mfr. Part No.
MF-USHT075KX-2

Mouser Part No
652-MF-USHT075KX-2

Bourns

Resettable Fuses - PPTC 1210 SMD High-Temp Polymer PTC, 16V/0.75

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Datasheet

10,126In Stock

Cut Tape

$0.938

$0.714

$0.67

$0.506

Reel

$0.367

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Thermal Cut-offs Trip Temp 72c 5c TOL

NR72AB0
Bourns
1: $2.26
3,041In Stock

Mfr. Part No.
NR72AB0

Mouser Part No
652-NR72AB0

Bourns

Thermal Cut-offs Trip Temp 72c 5c TOL

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Datasheet

3,041In Stock

$2.26

$2.05

$1.78

$1.56

View

Min.: 1
Mult.: 1

Thermal Cut-offs HC TCO 85C BL-51

SA85SB0
Bourns
1: $1.47
9,798In Stock

Mfr. Part No.
SA85SB0

Mouser Part No
652-SA85SB0

Bourns

Thermal Cut-offs HC TCO 85C BL-51

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Datasheet

9,798In Stock

Cut Tape

$1.47

$1.35

$1.12

$0.987

View

Reel

$0.632

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Thermal Cut-offs 72C Low Profile SMD HC TCO

SC72AAB
Bourns
1: $1.44
4,983In Stock

Mfr. Part No.
SC72AAB

Mouser Part No
652-SC72AAB

Bourns

Thermal Cut-offs 72C Low Profile SMD HC TCO

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Datasheet

4,983In Stock

Cut Tape

$1.44

$1.32

$1.10

$1.01

View

Reel

$0.647

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 2A Fast Acting 0603 SinglFuse

SF-0603F200-2
Bourns
1: $0.748
20,471In Stock

Mfr. Part No.
SF-0603F200-2

Mouser Part No
652-SF-0603F200-2

Bourns

Surface Mount Fuses 2A Fast Acting 0603 SinglFuse

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Datasheet

20,471In Stock

Cut Tape

$0.748

$0.634

$0.548

$0.503

View

Reel

$0.371

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses .8A 32V TIME DELAY

SF-0603SP080-2
Bourns
1: $1.03
21,375In Stock

Mfr. Part No.
SF-0603SP080-2

Mouser Part No
652-SF-0603SP080-2

Bourns

Surface Mount Fuses .8A 32V TIME DELAY

Learn More

Datasheet

21,375In Stock

Cut Tape

$1.03

$0.821

$0.692

$0.608

View

Reel

$0.384

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 0603 time-lag met-foil. 6A Auto

SF-0603SPA600R-2
Bourns
1: $1.44
9,045In Stock

Mfr. Part No.
SF-0603SPA600R-2

Mouser Part No
652-SF-0603SPA600R-2

Bourns

Surface Mount Fuses 0603 time-lag met-foil. 6A Auto

Learn More

Datasheet

9,045In Stock

Cut Tape

$1.44

$0.941

$0.823

$0.77

View

Reel

$0.646

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 0603 time-lag met-foil. 8A Auto

SF-0603SPA800R-2
Bourns
1: $1.13
8,282In Stock

Mfr. Part No.
SF-0603SPA800R-2

Mouser Part No
652-SF-0603SPA800R-2

Bourns

Surface Mount Fuses 0603 time-lag met-foil. 8A Auto

Learn More

Datasheet

8,282In Stock

Cut Tape

$1.13

$1.04

$0.918

$0.858

View

Reel

$0.622

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 1A 63V FAST ACTING

SF-1206FP100-2
Bourns
1: $0.925
14,046In Stock

Mfr. Part No.
SF-1206FP100-2

Mouser Part No
652-SF-1206FP100-2

Bourns

Surface Mount Fuses 1A 63V FAST ACTING

Learn More

Datasheet

14,046In Stock

Cut Tape

$0.925

$0.736

$0.62

$0.544

View

Reel

$0.343

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 1A 63V TIME DELAY

SF-1206SP100-2
Bourns
1: $0.884
15,750In Stock

Mfr. Part No.
SF-1206SP100-2

Mouser Part No
652-SF-1206SP100-2

Bourns

Surface Mount Fuses 1A 63V TIME DELAY

Learn More

Datasheet

15,750In Stock

Cut Tape

$0.884

$0.779

$0.656

$0.577

View

Reel

$0.363

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Thyristor Surge Protection Devices - TSPD 15V (DRM) 500A (IPP) 30V (B

TISP4030H1BJR-S
Bourns
1: $1.90
21,243In Stock

Mfr. Part No.
TISP4030H1BJR-S

Mouser Part No
652-TISP4030H1BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD 15V (DRM) 500A (IPP) 30V (B

Learn More

Datasheet

21,243In Stock

Cut Tape

$1.90

$1.12

$0.676

$0.556

$0.48

Reel

$0.473

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Thyristor Surge Protection Devices - TSPD 190V(DRM) 600A (IPP) 250V(B

TISP4250H3BJR-S
Bourns
1: $1.86
25,657In Stock

Mfr. Part No.
TISP4250H3BJR-S

Mouser Part No
652-TISP4250H3BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD 190V(DRM) 600A (IPP) 250V(B

Learn More

Datasheet

25,657In Stock

Cut Tape

$1.86

$0.97

$0.692

$0.575

Reel

$0.462

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

2027-60-BT1LF
Bourns
1: $2.19
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

Learn More

Datasheet

3,035In Stock

Cut Tape

$2.19

$2.03

$1.69

$1.55

Reel

$1.11

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: $1.67
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

$1.67

$1.54

$1.27

$1.18

Reel

$0.808

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Thermal Cut-offs TRIP TEMP 90C 5C TOL

HC90AY-1
Bourns
1: $1.90
3,108In Stock

Mfr. Part No.
HC90AY-1

Mouser Part No
652-HC90AY-1

Bourns

Thermal Cut-offs TRIP TEMP 90C 5C TOL

Learn More

Datasheet

3,108In Stock

$1.90

$1.80

$1.56

$1.44

View

Min.: 1
Mult.: 1

Thermal Cut-offs TRIP TEMP 77C 5C TOL

LC77AY-1
Bourns
1: $1.66
7,547In Stock

Mfr. Part No.
LC77AY-1

Mouser Part No
652-LC77AY-1

Bourns

Thermal Cut-offs TRIP TEMP 77C 5C TOL

Learn More

Datasheet

7,547In Stock

$1.66

$1.52

$1.26

$1.16

View

Min.: 1
Mult.: 1

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

MF-LSMF330X-2
Bourns
1: $1.02
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

Learn More

Datasheet

8,916In Stock

Cut Tape

$1.02

$0.782

$0.733

$0.554

View

Reel

$0.409

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

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

MF-R250U
Bourns
1: $0.68
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

Learn More

Datasheet

7,526In Stock

$0.68

$0.611

$0.405

$0.363

View

Min.: 1
Mult.: 1

Varistors PV 140V 10%

PV140K4032R2
Bourns
1: $1.13
4,783In Stock

Mfr. Part No.
PV140K4032R2

Mouser Part No
652-PV140K4032R2

Bourns

Varistors PV 140V 10%

Learn More

Datasheet

4,783In Stock

Cut Tape

$1.13

$0.721

$0.632

$0.59

Reel

$0.543

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Circuit Protection Devices

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Circuit Protection Devices

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