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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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Results: 359,646

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Part #

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/16V

MF-LSMF330/16X-2
Bourns
1: $1.46
7,452In Stock

Mfr. Part No.
MF-LSMF330/16X-2

Mouser Part No
652-MF-LSMF330/16X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/16V

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Datasheet

7,452In Stock

Cut Tape

$1.46

$1.14

$1.03

$0.798

View

Reel

$0.601

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/24V

MF-LSMF330/24X-2
Bourns
1: $1.97
9,391In Stock

Mfr. Part No.
MF-LSMF330/24X-2

Mouser Part No
652-MF-LSMF330/24X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/24V

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Datasheet

9,391In Stock

Cut Tape

$1.97

$1.52

$1.14

$1.11

$1.03

Reel

$0.941

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC PTC RESETTABLE 1.5A 12V SMD 1812

MF-MSMF150/12-2
Bourns
1: $0.707
18,899In Stock

Mfr. Part No.
MF-MSMF150/12-2

Mouser Part No
652-MF-MSMF150/12-2

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 1.5A 12V SMD 1812

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Datasheet

18,899In Stock

Cut Tape

$0.707

$0.536

$0.503

$0.379

View

Reel

$0.243

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 6V 350MA-HD 40A MAX

MF-PSMF035X-2
Bourns
1: $0.394
18,834In Stock

Mfr. Part No.
MF-PSMF035X-2

Mouser Part No
652-MF-PSMF035X-2

Bourns

Resettable Fuses - PPTC 6V 350MA-HD 40A MAX

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Datasheet

18,834In Stock

Cut Tape

$0.394

$0.341

$0.305

$0.28

Reel

$0.269

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC PTC RESETTABLE 0.1A 60V RADIAL LEADED

MF-R010-AP
Bourns
1: $0.612
16,607In Stock

Mfr. Part No.
MF-R010-AP

Mouser Part No
652-MF-R010-AP

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 0.1A 60V RADIAL LEADED

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Datasheet

16,607In Stock

$0.612

$0.469

$0.439

$0.332

View

Reel

$0.214

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC PTC RESETTABLE 0.75A 60V RADIAL LEADED

MF-R075-AP
Bourns
1: $0.707
10,744In Stock

Mfr. Part No.
MF-R075-AP

Mouser Part No
652-MF-R075-AP

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 0.75A 60V RADIAL LEADED

Learn More

Datasheet

10,744In Stock

$0.707

$0.657

$0.524

$0.396

View

Reel

$0.25

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 30V 1.85A-HD 40A MAX

MF-R185-0-17
Bourns
1: $0.843
12,022In Stock

Mfr. Part No.
MF-R185-0-17

Mouser Part No
652-MF-R185-0-17

Bourns

Resettable Fuses - PPTC 30V 1.85A-HD 40A MAX

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Datasheet

12,022In Stock

$0.843

$0.645

$0.604

$0.456

View

Min.: 1
Mult.: 1

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

MF-R250-2-10
Bourns
1: $0.843
8,286In Stock

Mfr. Part No.
MF-R250-2-10

Mouser Part No
652-MF-R250-2-10

Bourns

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

Learn More

Datasheet

8,286In Stock

Cut Tape

$0.843

$0.779

$0.628

$0.475

Reel

$0.344

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC PTC 10.0A 16V RADIAL LEADED HI-TEMP

MF-RHT1000-2
Bourns
1: $1.74
8,794In Stock

Mfr. Part No.
MF-RHT1000-2

Mouser Part No
652-MF-RHT1000-2

Bourns

Resettable Fuses - PPTC PTC 10.0A 16V RADIAL LEADED HI-TEMP

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Datasheet

8,794In Stock

Cut Tape

$1.74

$1.44

$1.24

$1.21

Reel

$0.923

View

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC PTC RESETTABLE 0.5A 72V RADIAL LEADED

MF-RX050/72-AP
Bourns
1: $0.585
9,342In Stock

Mfr. Part No.
MF-RX050/72-AP

Mouser Part No
652-MF-RX050/72-AP

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 0.5A 72V RADIAL LEADED

Learn More

Datasheet

9,342In Stock

$0.585

$0.491

$0.461

$0.348

View

Reel

$0.223

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC PTC RESETTABLE 3.75A 72V RADIAL LEADED

MF-RX375/72-2
Bourns
1: $1.09
6,714In Stock

Mfr. Part No.
MF-RX375/72-2

Mouser Part No
652-MF-RX375/72-2

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 3.75A 72V RADIAL LEADED

Learn More

Datasheet

6,714In Stock

Cut Tape

$1.09

$0.997

$0.781

$0.756

Reel

$0.481

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 30V 100MA-HD 20A MAX

MF-USHT010KX-2
Bourns
1: $0.938
12,630In Stock

Mfr. Part No.
MF-USHT010KX-2

Mouser Part No
652-MF-USHT010KX-2

Bourns

Resettable Fuses - PPTC 30V 100MA-HD 20A MAX

Learn More

Datasheet

12,630In Stock

Cut Tape

$0.938

$0.714

$0.67

$0.506

Reel

$0.367

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5500volts 1pF STRAIGHT LEADS

SA2-5500-CLT-STD
Bourns
1: $4.26
2,001In Stock

Mfr. Part No.
SA2-5500-CLT-STD

Mouser Part No
652-SA2-5500-CLTSTD

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5500volts 1pF STRAIGHT LEADS

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Datasheet

2,001In Stock

Cut Tape

$4.26

$3.93

$3.26

$3.01

Reel

$2.28

View

Min.: 1
Mult.: 1

: 1,000

Surface Mount Fuses .5A 32V FAST ACTING

SF-0402FP050-2
Bourns
1: $1.03
19,756In Stock

Mfr. Part No.
SF-0402FP050-2

Mouser Part No
652-SF-0402FP050-2

Bourns

Surface Mount Fuses .5A 32V FAST ACTING

Learn More

Datasheet

19,756In Stock

Cut Tape

$1.03

$0.821

$0.692

$0.608

View

Reel

$0.385

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Surface Mount Fuses 1.5A Slow Blow 0402 SinglFuse

SF-0402S150-2
Bourns
1: $0.775
15,832In Stock

Mfr. Part No.
SF-0402S150-2

Mouser Part No
652-SF-0402S150-2

Bourns

Surface Mount Fuses 1.5A Slow Blow 0402 SinglFuse

Learn More

Datasheet

15,832In Stock

Cut Tape

$0.775

$0.702

$0.617

$0.577

View

Reel

$0.364

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Surface Mount Fuses 5A 32V FAST ACTING

SF-0603FP500-2
Bourns
1: $0.979
12,832In Stock

Mfr. Part No.
SF-0603FP500-2

Mouser Part No
652-SF-0603FP500-2

Bourns

Surface Mount Fuses 5A 32V FAST ACTING

Learn More

Datasheet

12,832In Stock

Cut Tape

$0.979

$0.779

$0.656

$0.577

View

Reel

$0.363

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 0603 time-lag met-foil. 7A Auto

SF-0603SPA700R-2
Bourns
1: $1.03
8,608In Stock

Mfr. Part No.
SF-0603SPA700R-2

Mouser Part No
652-SF-0603SPA700R-2

Bourns

Surface Mount Fuses 0603 time-lag met-foil. 7A Auto

Learn More

Datasheet

8,608In Stock

Cut Tape

$1.03

$0.947

$0.827

$0.774

View

Reel

$0.646

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 1.25A 63V TIME DELAY

SF-1206SP125-2
Bourns
1: $0.979
16,015In Stock

Mfr. Part No.
SF-1206SP125-2

Mouser Part No
652-SF-1206SP125-2

Bourns

Surface Mount Fuses 1.25A 63V TIME DELAY

Learn More

Datasheet

16,015In Stock

Cut Tape

$0.979

$0.779

$0.656

$0.577

View

Reel

$0.374

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Thyristor Surge Protection Devices - TSPD 65V

TISP4080H3BJR-S
Bourns
1: $1.96
5,169In Stock

Mfr. Part No.
TISP4080H3BJR-S

Mouser Part No
652-TISP4080H3BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD 65V

Learn More

Datasheet

5,169In Stock

Cut Tape

$1.96

$1.24

$0.82

$0.641

Reel

$0.496

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Thyristor Surge Protection Devices - TSPD 65V 600mA

TISP4080M3BJR-S
Bourns
1: $1.67
7,832In Stock

Mfr. Part No.
TISP4080M3BJR-S

Mouser Part No
652-TISP4080M3BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD 65V 600mA

Learn More

Datasheet

7,832In Stock

Cut Tape

$1.67

$1.05

$0.69

$0.536

Reel

$0.422

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

PTC (Positive Temperature Coefficient) Thermistors 120ohms 1% Linear

TFPT0805L1200FV
Vishay / Dale
1: $1.59
3,237In Stock

Mfr. Part No.
TFPT0805L1200FV

Mouser Part No
71-TFPT0805L1200FV

Vishay / Dale

PTC (Positive Temperature Coefficient) Thermistors 120ohms 1% Linear

Learn More

Datasheet

3,237In Stock

Cut Tape

$1.59

$1.52

$1.43

$1.36

Reel

$1.10

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

PTC (Positive Temperature Coefficient) Thermistors PTC 1.5Kohms 1% Linear

TFPT0805L1501FM
Vishay / Dale
1: $1.73
4,718In Stock

Mfr. Part No.
TFPT0805L1501FM

Mouser Part No
71-TFPT0805L1501FM

Vishay / Dale

PTC (Positive Temperature Coefficient) Thermistors PTC 1.5Kohms 1% Linear

Learn More

Datasheet

4,718In Stock

Cut Tape

$1.73

$1.29

$1.03

$0.974

View

Reel

$0.665

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

PTC (Positive Temperature Coefficient) Thermistors PTC 2.7Kohms 1% Linear

TFPT0805L2701FM
Vishay / Dale
1: $1.73
4,618In Stock

Mfr. Part No.
TFPT0805L2701FM

Mouser Part No
71-TFPT0805L2701FM

Vishay / Dale

PTC (Positive Temperature Coefficient) Thermistors PTC 2.7Kohms 1% Linear

Learn More

Datasheet

4,618In Stock

Cut Tape

$1.73

$1.29

$1.03

$0.974

View

Reel

$0.672

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

PTC (Positive Temperature Coefficient) Thermistors PTC 3.9Kohms 5% Linear

TFPT1206L3901JM
Vishay / Dale
1: $1.54
4,939In Stock

Mfr. Part No.
TFPT1206L3901JM

Mouser Part No
71-TFPT1206L3901JM

Vishay / Dale

PTC (Positive Temperature Coefficient) Thermistors PTC 3.9Kohms 5% Linear

Learn More

Datasheet

4,939In Stock

Cut Tape

$1.54

$1.15

$0.917

$0.862

View

Reel

$0.597

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes RASMID TVS SMD0402

VS5V0BA1FST27N
ROHM Semiconductor
1: $0.544
53,156In Stock

Mfr. Part No.
VS5V0BA1FST27N

Mouser Part No
755-VS5V0BA1FST27N

ROHM Semiconductor

ESD Protection Diodes / TVS Diodes RASMID TVS SMD0402

Learn More

Datasheet

53,156In Stock

Cut Tape

$0.544

$0.356

$0.209

$0.159

View

Reel

$0.091

MouseReel Available

Min.: 1
Mult.: 1

: 27,000

Circuit Protection

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