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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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Part #

Board Mount Surge Protectors 100V Overvoltage, Undervoltage & Reverse

LTC4367CMS8-1#PBF
Analog Devices
1: €5.06
759In Stock

Mfr. Part No.
LTC4367CMS8-1#PBF

Mouser Part No
584-LTC4367CMS8-1PBF

Analog Devices

Board Mount Surge Protectors 100V Overvoltage, Undervoltage & Reverse

Datasheet

759In Stock

€5.06

€3.88

€3.82

€3.39

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10Kohms 1% 1000mm

NTCLE410E3103F102
Vishay / BC Components
1: €2.45
4,689In Stock

Mfr. Part No.
NTCLE410E3103F102

Mouser Part No
594-NTCL410E3103F102

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 10Kohms 1% 1000mm

4,689In Stock

€2.45

€1.84

€1.63

€1.56

View

Min.: 1
Mult.: 1

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

NTCLE100E3103GT1
Vishay / BC Components
1: €0.74
3,488In Stock

Mfr. Part No.
NTCLE100E3103GT1

Mouser Part No
594-NTCLE100E3103GT1

Vishay / BC Components

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

Learn More

Datasheet

3,488In Stock

Cut Tape

€0.74

€0.699

€0.655

€0.625

View

Reel

€0.453

Min.: 1
Mult.: 1

: 1,500

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

NTCS0603E3222JMT
Vishay / BC Components
1: €0.284
21,274In Stock

Mfr. Part No.
NTCS0603E3222JMT

Mouser Part No
594-NTCS0603E3222JMT

Vishay / BC Components

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

Learn More

Datasheet

21,274In Stock

Cut Tape

€0.284

€0.266

€0.235

€0.224

Reel

€0.165

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC (Negative Temperature Coefficient) Thermistors 10kOhms

NTCS0805E3103HLT
Vishay / BC Components
1: €0.37
11,494In Stock

Mfr. Part No.
NTCS0805E3103HLT

Mouser Part No
594-NTCS0805E3103HLT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 10kOhms

Learn More

Datasheet

11,494In Stock

Cut Tape

€0.37

€0.347

€0.323

€0.308

View

Reel

€0.229

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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

NTCS0805E3153JMT
Vishay / BC Components
1: €0.301
8,373In Stock

Mfr. Part No.
NTCS0805E3153JMT

Mouser Part No
594-NTCS0805E3153JMT

Vishay / BC Components

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

Learn More

Datasheet

8,373In Stock

Cut Tape

€0.301

€0.257

€0.23

€0.207

View

Reel

€0.168

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC (Negative Temperature Coefficient) Thermistors 47Kohms 3%

NTCS0805E3473HHT
Vishay / BC Components
1: €0.37
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

€0.37

€0.347

€0.321

€0.308

View

Reel

€0.229

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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

NTCS0805E3474FXT
Vishay / BC Components
1: €0.516
5,350In Stock

Mfr. Part No.
NTCS0805E3474FXT

Mouser Part No
594-NTCS0805E3474FXT

Vishay / BC Components

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

Learn More

Datasheet

5,350In Stock

Cut Tape

€0.516

€0.479

€0.437

€0.431

View

Reel

€0.319

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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

NTCS0805E3502GLT
Vishay / BC Components
1: €0.482
7,990In Stock

Mfr. Part No.
NTCS0805E3502GLT

Mouser Part No
594-NTCS0805E3502GLT

Vishay / BC Components

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

Learn More

Datasheet

7,990In Stock

Cut Tape

€0.482

€0.457

€0.427

€0.406

View

Reel

€0.316

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: €0.155
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

€0.155

€0.145

€0.127

€0.12

Reel

€0.085

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: €0.714
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

Learn More

Datasheet

6,204In Stock

Cut Tape

€0.714

€0.567

€0.392

€0.314

Reel

€0.255

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1500W 10.0V

SMCJ10A-13-F
Diodes Incorporated
1: €0.585
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

€0.585

€0.468

€0.446

Reel

€0.446

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1500W 16.0V

SMCJ16A-13-F
Diodes Incorporated
1: €0.456
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

€0.456

€0.446

Reel

€0.446

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 5000W 188V Unidirect

5KP188A-E3/54
Vishay Semiconductors
1: €4.97
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

Learn More

Datasheet

1,554In Stock

800On Order

Cut Tape

€4.97

€3.40

€2.75

€2.16

Reel

€2.00

View

Min.: 1
Mult.: 1

: 800

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

1065729
Phoenix Contact
1: €99.83
97In Stock

Mfr. Part No.
1065729

Mouser Part No
651-1065729

Phoenix Contact

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

Learn More

Datasheet

97In Stock

€99.83

€91.81

Min.: 1
Mult.: 1

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

2905465
Phoenix Contact
1: €416.73
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

€416.73

Min.: 1
Mult.: 1

Industrial Surge Protectors AC SPD 10KA RATED 120V

1202-120S
Bourns
1: €88.28
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

€88.28

€74.25

€59.87

€59.81

View

Min.: 1
Mult.: 1

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

2026-35-C2LF
Bourns
1: €1.77
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

€1.77

€1.39

€1.22

€1.09

View

Min.: 1
Mult.: 1

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

2035-30-SM-RPLF
Bourns
1: €0.851
3,273In 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

3,273In Stock

Cut Tape

€0.851

€0.786

€0.653

€0.602

Reel

€0.429

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Varistors AVHT AUTO SERIES 17V

AV17K1206201NIR1HT
Bourns
1: €0.249
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

€0.249

€0.15

€0.129

€0.124

Reel

€0.108

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Varistors AVHT AUTO SERIES 17V

AV17K2220122NIR1HT
Bourns
1: €1.21
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

€1.21

€0.877

€0.789

€0.69

Reel

€0.512

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Varistors Chip Guard 0402 12 VOLTS

CG0402MLC-12LGA
Bourns
1: €0.267
12,646In Stock

Mfr. Part No.
CG0402MLC-12LGA

Mouser Part No
652-CG0402MLC-12LGA

Bourns

Varistors Chip Guard 0402 12 VOLTS

Learn More

Datasheet

12,646In Stock

Cut Tape

€0.267

€0.165

€0.143

€0.132

View

Reel

€0.112

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Varistors IsoMOV 3KA 175Vrms Bulk In-Line

IsoM3-175-B-L2
Bourns
1: €1.11
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

€1.11

€0.808

€0.733

€0.648

View

Min.: 1
Mult.: 1

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

MF-LSMF600/12X-2
Bourns
1: €0.886
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

€0.886

€0.70

€0.569

€0.547

View

Reel

€0.362

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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

MF-R017-2
Bourns
1: €0.396
10,831In 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

10,831In Stock

Cut Tape

€0.396

€0.297

€0.278

€0.21

Reel

€0.179

View

Min.: 1
Mult.: 1

: 3,000

Circuit Protection

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