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Circuit Protection

Circuit Protection devices and components are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Analog Devices, Bourns, Eaton, Phoenix Contact, TDK EPCOS, Littelfuse, Vishay, & more.
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Please view our selection of circuit protection devices below.

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Types of Circuit Protection

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Results: 359,642

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Part #

NTC (Negative Temperature Coefficient) Thermistors 68Kohms 3%

NTCS0805E3683HXT
Vishay / BC Components
1: $0.612
7,931In Stock

Mfr. Part No.
NTCS0805E3683HXT

Mouser Part No
594-NTCS0805E3683HXT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 68Kohms 3%

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Datasheet

7,931In Stock

Cut Tape

$0.612

$0.571

$0.533

$0.506

View

Reel

$0.343

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes 1500W 7.5V

SMCJ7.5A-13-F
Diodes Incorporated
1: $1.89
15,461In Stock

Mfr. Part No.
SMCJ7.5A-13-F

Mouser Part No
621-SMCJ7.5A-13-F

Diodes Incorporated

ESD Protection Diodes / TVS Diodes 1500W 7.5V

Datasheet

15,461In Stock

Cut Tape

$1.89

$1.46

$1.19

$0.976

View

Reel

$0.724

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 5000W 160V Unidirect

5KP160A-E3/54
Vishay Semiconductors
1: $4.90
1,246In Stock

Mfr. Part No.
5KP160A-E3/54

Mouser Part No
625-5KP160A-E3

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 5000W 160V Unidirect

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Datasheet

1,246In Stock

Cut Tape

$4.90

$2.91

$2.61

$2.05

Reel

$2.04

$1.84

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes 500W 15V Unidirect

SA15A-E3/73
Vishay Semiconductors
1: $1.78
5,633In Stock

Mfr. Part No.
SA15A-E3/73

Mouser Part No
625-SA15A-E3/73

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 500W 15V Unidirect

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Datasheet

5,633In Stock

$1.78

$0.865

$0.749

$0.583

Reel

$0.469

View

Min.: 1
Mult.: 1

: 2,000

Industrial Surge Protectors VAL-SEC-T2-3C-350-FM

2905339
Phoenix Contact
1: $606.41
4In Stock

Mfr. Part No.
2905339

Mouser Part No
651-2905339

Phoenix Contact

Industrial Surge Protectors VAL-SEC-T2-3C-350-FM

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Datasheet

4In Stock

$606.41

Min.: 1
Mult.: 1

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

2036-09-B2FLF
Bourns
1: $3.56
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

$3.56

$3.29

$2.73

$2.50

View

Min.: 1
Mult.: 1

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 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

$0.354

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
10,111In 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

10,111In 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
8,998In Stock

Mfr. Part No.
SA85SB0

Mouser Part No
652-SA85SB0

Bourns

Thermal Cut-offs HC TCO 85C BL-51

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Datasheet

8,998In 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: $1.51
4,913In 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

4,913In Stock

Cut Tape

$1.51

$1.40

$1.36

$1.15

View

Reel

$0.65

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 2A Fast Acting 0603 SinglFuse

SF-0603F200-2
Bourns
1: $0.734
19,061In 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

19,061In Stock

Cut Tape

$0.734

$0.634

$0.548

$0.503

View

Reel

$0.322

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
13,996In 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

13,996In 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: $0.857
15,520In 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

15,520In Stock

Cut Tape

$0.857

$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

$1.20

$0.676

$0.556

$0.48

Reel

$0.468

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

ESD Protection Diodes / TVS Diodes WE-TVS Standard 2.5uA 5VDC 5Channel

82402375
Wurth Elektronik
1: $1.18
5,757In Stock

Mfr. Part No.
82402375

Mouser Part No
710-82402375

Wurth Elektronik

ESD Protection Diodes / TVS Diodes WE-TVS Standard 2.5uA 5VDC 5Channel

Learn More

Datasheet

5,757In Stock

Cut Tape

$1.18

$1.12

$1.04

$0.971

$0.858

Reel

$0.747

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 5000W Pppm Uni TVS SMC (DO-214AB)

SMC5K54A-M3/I
Vishay Semiconductors
1: $1.47
3,553In Stock

Mfr. Part No.
SMC5K54A-M3/I

Mouser Part No
78-SMC5K54A-M3/I

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 5000W Pppm Uni TVS SMC (DO-214AB)

Learn More

Datasheet

3,553In Stock

Cut Tape

$1.47

$1.04

$0.747

$0.744

Reel

$0.743

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,500

Circuit Protection

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