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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: 366,152

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Download Table (.CSV)

Part #

NTC (Negative Temperature Coefficient) Thermistors 10Kohms 2% Radial

NTCLE100E3103GT1
Vishay / BC Components
1: $1.23
3,458In Stock

Mfr. Part No.
NTCLE100E3103GT1

Mouser Part No
594-NTCLE100E3103GT1

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 10Kohms 2% Radial

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Datasheet

3,458In Stock

Cut Tape

$1.23

$1.16

$1.09

$1.04

View

Reel

$0.754

Min.: 1
Mult.: 1

: 1,500

NTC (Negative Temperature Coefficient) Thermistors 2.2Kohms 5% SMD

NTCS0603E3222JMT
Vishay / BC Components
1: $0.472
21,274In Stock

Mfr. Part No.
NTCS0603E3222JMT

Mouser Part No
594-NTCS0603E3222JMT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 2.2Kohms 5% SMD

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Datasheet

21,274In Stock

Cut Tape

$0.472

$0.442

$0.39

$0.372

Reel

$0.275

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC (Negative Temperature Coefficient) Thermistors 10kOhms

NTCS0805E3103HLT
Vishay / BC Components
1: $0.615
11,494In Stock

Mfr. Part No.
NTCS0805E3103HLT

Mouser Part No
594-NTCS0805E3103HLT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 10kOhms

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Datasheet

11,494In Stock

Cut Tape

$0.615

$0.578

$0.538

$0.512

View

Reel

$0.38

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC (Negative Temperature Coefficient) Thermistors 15Kohms 5% SMD

NTCS0805E3153JMT
Vishay / BC Components
1: $0.415
8,373In Stock

Mfr. Part No.
NTCS0805E3153JMT

Mouser Part No
594-NTCS0805E3153JMT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 15Kohms 5% SMD

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Datasheet

8,373In Stock

Cut Tape

$0.415

$0.373

$0.342

$0.322

View

Reel

$0.259

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC (Negative Temperature Coefficient) Thermistors 47Kohms 3%

NTCS0805E3473HHT
Vishay / BC Components
1: $0.501
14,073In Stock

Mfr. Part No.
NTCS0805E3473HHT

Mouser Part No
594-NTCS0805E3473HHT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 47Kohms 3%

Learn More

Datasheet

14,073In Stock

Cut Tape

$0.501

$0.466

$0.439

$0.423

View

Reel

$0.313

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC (Negative Temperature Coefficient) Thermistors 470Kohms 1% SMD

NTCS0805E3474FXT
Vishay / BC Components
1: $0.858
5,350In Stock

Mfr. Part No.
NTCS0805E3474FXT

Mouser Part No
594-NTCS0805E3474FXT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 470Kohms 1% SMD

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Datasheet

5,350In Stock

Cut Tape

$0.858

$0.797

$0.726

$0.716

View

Reel

$0.531

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC (Negative Temperature Coefficient) Thermistors 5Kohms 2% 3480K 1%

NTCS0805E3502GLT
Vishay / BC Components
1: $0.801
7,990In Stock

Mfr. Part No.
NTCS0805E3502GLT

Mouser Part No
594-NTCS0805E3502GLT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 5Kohms 2% 3480K 1%

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Datasheet

7,990In Stock

Cut Tape

$0.801

$0.759

$0.709

$0.675

View

Reel

$0.525

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC (Positive Temperature Coefficient) Thermistors Automotive 1% 47-k o hm linear thermisto A 595-TMP6431QDECTQ1

TMP6431QDECRQ1
Texas Instruments
1: $0.257
21,740In Stock

Mfr. Part No.
TMP6431QDECRQ1

Mouser Part No
595-TMP6431QDECRQ1

Texas Instruments

PTC (Positive Temperature Coefficient) Thermistors Automotive 1% 47-k o hm linear thermisto A 595-TMP6431QDECTQ1

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Datasheet

21,740In Stock

Cut Tape

$0.257

$0.242

$0.212

$0.20

Reel

$0.142

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes 18-V bidirectional f lat-clamp surge pro

TVS1801DRBR
Texas Instruments
1: $1.19
6,204In Stock

Mfr. Part No.
TVS1801DRBR

Mouser Part No
595-TVS1801DRBR

Texas Instruments

ESD Protection Diodes / TVS Diodes 18-V bidirectional f lat-clamp surge pro

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Datasheet

6,204In Stock

Cut Tape

$1.19

$0.942

$0.652

$0.522

Reel

$0.425

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1500W 10.0V

SMCJ10A-13-F
Diodes Incorporated
1: $0.972
2,591In Stock

Mfr. Part No.
SMCJ10A-13-F

Mouser Part No
621-SMCJ10A-13-F

Diodes Incorporated

ESD Protection Diodes / TVS Diodes 1500W 10.0V

Datasheet

2,591In Stock

Cut Tape

$0.972

$0.778

$0.696

$0.695

Reel

$0.691

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1500W 16.0V

SMCJ16A-13-F
Diodes Incorporated
1: $0.758
3,077In Stock

Mfr. Part No.
SMCJ16A-13-F

Mouser Part No
621-SMCJ16A-13-F

Diodes Incorporated

ESD Protection Diodes / TVS Diodes 1500W 16.0V

Datasheet

3,077In Stock

Cut Tape

$0.758

$0.714

$0.699

Reel

$0.685

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1500W 75.0V

SMCJ75CA-13-F
Diodes Incorporated
1: $2.04
2,579In Stock

Mfr. Part No.
SMCJ75CA-13-F

Mouser Part No
621-SMCJ75CA-13-F

Diodes Incorporated

ESD Protection Diodes / TVS Diodes 1500W 75.0V

Datasheet

2,579In Stock

Cut Tape

$2.04

$1.57

$0.831

$0.828

Reel

$0.802

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 5000W 188V Unidirect

5KP188A-E3/54
Vishay Semiconductors
1: $3.80
1,554In Stock
800On Order

Mfr. Part No.
5KP188A-E3/54

Mouser Part No
625-5KP188A-E3

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 5000W 188V Unidirect

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Datasheet

1,554In Stock

800On Order

Cut Tape

$3.80

$3.59

Reel

$3.10

Min.: 1
Mult.: 1

: 800

Circuit Breakers CBMC E4 24DC/1-10A S-R

1065729
Phoenix Contact
1: $166.29
97In Stock

Mfr. Part No.
1065729

Mouser Part No
651-1065729

Phoenix Contact

Circuit Breakers CBMC E4 24DC/1-10A S-R

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Datasheet

97In Stock

$166.29

Min.: 1
Mult.: 1

Industrial Surge Protectors FLT-SEC-T1+T2-1C- 350/25-FM

2905465
Phoenix Contact
1: $692.94
4In Stock

Mfr. Part No.
2905465

Mouser Part No
651-2905465

Phoenix Contact

Industrial Surge Protectors FLT-SEC-T1+T2-1C- 350/25-FM

Learn More

Datasheet

4In Stock

$692.94

Min.: 1
Mult.: 1

Industrial Surge Protectors AC SPD 10KA RATED 120V

1202-120S
Bourns
1: $146.79
23In Stock

Mfr. Part No.
1202-120S

Mouser Part No
652-1202-120S

Bourns

Industrial Surge Protectors AC SPD 10KA RATED 120V

Learn More

Datasheet

23In Stock

$146.79

$123.47

$99.56

$99.46

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Sparkover100V/s 350V 3 Pole

2026-35-C2LF
Bourns
1: $2.95
1,869In Stock
1,877On Order

Mfr. Part No.
2026-35-C2LF

Mouser Part No
652-2026-35-C2LF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Sparkover100V/s 350V 3 Pole

Learn More

Datasheet

1,869In Stock

1,877On Order

$2.95

$2.32

$2.30

$2.00

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE MINI 2POLE 300VOLT

2035-30-SM-RPLF
Bourns
1: $1.42
2,973In Stock

Mfr. Part No.
2035-30-SM-RPLF

Mouser Part No
652-2035-30-SM-RPLF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE MINI 2POLE 300VOLT

Datasheet

2,973In Stock

Cut Tape

$1.42

$1.31

$1.08

$1.00

Reel

$0.695

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Varistors AVHT AUTO SERIES 17V

AV17K1206201NIR1HT
Bourns
1: $0.415
36,351In Stock

Mfr. Part No.
AV17K1206201NIR1HT

Mouser Part No
652-AV17K1206201NI1H

Bourns

Varistors AVHT AUTO SERIES 17V

Learn More

Datasheet

36,351In Stock

Cut Tape

$0.415

$0.249

$0.213

$0.203

Reel

$0.164

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Varistors AVHT AUTO SERIES 17V

AV17K2220122NIR1HT
Bourns
1: $1.76
6,240In Stock

Mfr. Part No.
AV17K2220122NIR1HT

Mouser Part No
652-AV17K2220122NI1H

Bourns

Varistors AVHT AUTO SERIES 17V

Learn More

Datasheet

6,240In Stock

Cut Tape

$1.76

$1.27

$1.15

$1.01

Reel

$0.851

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Varistors AV AUTO SERIES 20V

AV20K1812801NIR1
Bourns
1: $1.42
4,641In Stock

Mfr. Part No.
AV20K1812801NIR1

Mouser Part No
652-AV20K1812801NIR1

Bourns

Varistors AV AUTO SERIES 20V

Learn More

Datasheet

4,641In Stock

Cut Tape

$1.42

$0.871

Reel

$0.781

$0.363

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Varistors IsoMOV 3KA 175Vrms Bulk In-Line

IsoM3-175-B-L2
Bourns
1: $1.84
3,028In Stock

Mfr. Part No.
IsoM3-175-B-L2

Mouser Part No
652-ISOM3-175-B-L2

Bourns

Varistors IsoMOV 3KA 175Vrms Bulk In-Line

Learn More

Datasheet

3,028In Stock

$1.84

$1.34

$1.22

$1.08

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 6.0A/12V

MF-LSMF600/12X-2
Bourns
1: $1.47
5,963In Stock

Mfr. Part No.
MF-LSMF600/12X-2

Mouser Part No
652-MF-LSMF600/12X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 6.0A/12V

Learn More

Datasheet

5,963In Stock

Cut Tape

$1.47

$1.13

$0.968

$0.909

View

Reel

$0.602

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC PTC RESETTABLE 0.17A 60V RADIAL LEADED

MF-R017-2
Bourns
1: $0.658
10,829In Stock

Mfr. Part No.
MF-R017-2

Mouser Part No
652-MF-R017-2

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 0.17A 60V RADIAL LEADED

Learn More

Datasheet

10,829In Stock

Cut Tape

$0.658

$0.493

$0.462

$0.349

Reel

$0.253

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC PTC 4.5A 16V RADIAL LEADED HI-TEMP

MF-RHT450-0
Bourns
1: $0.772
12,836In Stock
2,895On Order

Mfr. Part No.
MF-RHT450-0

Mouser Part No
652-MF-RHT450-0

Bourns

Resettable Fuses - PPTC PTC 4.5A 16V RADIAL LEADED HI-TEMP

Learn More

Datasheet

12,836In Stock

2,895On Order

$0.772

$0.694

$0.615

$0.563

View

Min.: 1
Mult.: 1

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