.hide-partial { max-height: none; } .show-more { display: none; }

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.
More...

Please view our selection of circuit protection devices below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 359.642

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Triacs 600V 25A 50mA HI TEMP TO-220AB Isolated

QJ6025LH5TP
Littelfuse
1: Rp116.681
908In Stock

Mfr. Part No.
QJ6025LH5TP

Mouser Part No
576-QJ6025LH5TP

Littelfuse

Triacs 600V 25A 50mA HI TEMP TO-220AB Isolated

Learn More

Datasheet

908In Stock

Rp116.681

Rp68.798

Rp61.826

Min.: 1
Mult.: 1

SCRs 400V 10A Sensing

S4010LS2TP
Littelfuse
1: Rp55.221
1.366In Stock

Mfr. Part No.
S4010LS2TP

Mouser Part No
576-S4010LS2TP

Littelfuse

SCRs 400V 10A Sensing

Datasheet

1.366In Stock

Rp55.221

Rp36.142

Rp25.134

Rp22.749

Min.: 1
Mult.: 1

SCRs 600V 25A

S6025RTP
Littelfuse
1: Rp70.449
962In Stock

Mfr. Part No.
S6025RTP

Mouser Part No
576-S6025RTP

Littelfuse

SCRs 600V 25A

Datasheet

962In Stock

Rp70.449

Rp40.912

Rp31.555

Min.: 1
Mult.: 1

SCRs 55A 800V

S8055NRP
Littelfuse
1: Rp121.451
739In Stock

Mfr. Part No.
S8055NRP

Mouser Part No
576-S8055NRP

Littelfuse

SCRs 55A 800V

Datasheet

739In Stock

Cut Tape

Rp121.451

Rp82.190

Rp65.312

Reel

Rp65.312

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes 0.3V 3A 0.2pF 12kV WLCSP0201 Bi-dir TVS

SP00R6-01WTG
Littelfuse
1: Rp20.914
11.721In Stock

Mfr. Part No.
SP00R6-01WTG

Mouser Part No
576-SP00R6-01WTG

Littelfuse

ESD Protection Diodes / TVS Diodes 0.3V 3A 0.2pF 12kV WLCSP0201 Bi-dir TVS

Learn More

Datasheet

11.721In Stock

Cut Tape

Rp20.914

Rp9.888

Rp8.513

Rp6.586

View

Reel

Rp4.091

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

ESD Protection Diodes / TVS Diodes 12V 100W

SP12-01WTG-C-HV
Littelfuse
1: Rp6.788
122.238In Stock

Mfr. Part No.
SP12-01WTG-C-HV

Mouser Part No
576-SP12-01WTG-C-HV

Littelfuse

ESD Protection Diodes / TVS Diodes 12V 100W

Learn More

Datasheet

122.238In Stock

Cut Tape

Rp6.788

Rp2.972

Rp2.587

Rp1.926

Reel

Rp954

View

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

Industrial & Electrical Fuses 6A 1500 VDC Solar 30kA Photovoltaic

SPXV006.T
Littelfuse
1: Rp768.514
183In Stock

Mfr. Part No.
SPXV006.T

Mouser Part No
576-SPXV006.T

Littelfuse

Industrial & Electrical Fuses 6A 1500 VDC Solar 30kA Photovoltaic

Learn More

Datasheet

183In Stock

Rp768.514

Rp637.707

Rp489.838

Rp432.232

View

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors .7ohms 20%

PTCCL17H112DBE
Vishay / BC Components
1: Rp57.606
1.125In Stock

Mfr. Part No.
PTCCL17H112DBE

Mouser Part No
594-2381-663-51121

Vishay / BC Components

PTC (Positive Temperature Coefficient) Thermistors .7ohms 20%

Datasheet

1.125In Stock

Rp57.606

Rp45.865

Rp40.912

Rp38.894

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 4.7Kohms 3%

NTCLE400E3472H
Vishay / BC Components
1: Rp41.095
2.443In Stock

Mfr. Part No.
NTCLE400E3472H

Mouser Part No
594-NTCLE400E3472H

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 4.7Kohms 3%

Datasheet

2.443In Stock

Rp41.095

Rp39.260

Rp36.509

Rp34.674

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 47Kohms 5% SMD

NTCS0603E3473JHT
Vishay / BC Components
1: Rp5.137
9.951In Stock

Mfr. Part No.
NTCS0603E3473JHT

Mouser Part No
594-NTCS0603E3473JHT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 47Kohms 5% SMD

Learn More

Datasheet

9.951In Stock

Cut Tape

Rp5.137

Rp4.825

Rp2.660

Rp2.568

Reel

Rp2.550

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

NTC (Negative Temperature Coefficient) Thermistors Glass Protected NTC Thermistor 0805, 2.2kOhms, 5%, 210mW

NTCS0805E3222JMT
Vishay / BC Components
1: Rp6.788
10.307In Stock

Mfr. Part No.
NTCS0805E3222JMT

Mouser Part No
594-NTCS0805E3222JMT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors Glass Protected NTC Thermistor 0805, 2.2kOhms, 5%, 210mW

Datasheet

10.307In Stock

Cut Tape

Rp6.788

Rp6.421

Rp5.687

Rp5.247

Reel

Rp3.302

View

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

NTC (Negative Temperature Coefficient) Thermistors 10K 1% 3435K 80MM AWG24

NTCALUG01A103F800L
Vishay / BC Components
1: Rp102.554
529In Stock

Mfr. Part No.
NTCALUG01A103F800L

Mouser Part No
594-NTLUG01A103F800L

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 10K 1% 3435K 80MM AWG24

Learn More

Datasheet

529In Stock

Rp102.554

Rp92.097

Rp88.428

Rp83.658

View

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors 1% 100-kohm linear t hermistor in 0402 A A 595-TMP6331DECT

TMP6331DECR
Texas Instruments
1: Rp2.935
37.319In Stock

Mfr. Part No.
TMP6331DECR

Mouser Part No
595-TMP6331DECR

Texas Instruments

PTC (Positive Temperature Coefficient) Thermistors 1% 100-kohm linear t hermistor in 0402 A A 595-TMP6331DECT

Learn More

Datasheet

37.319In Stock

Cut Tape

Rp2.935

Rp2.679

Rp2.348

Rp2.238

Reel

Rp1.486

View

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

ESD Protection Diodes / TVS Diodes 1500W 130V Bidirect

1.5KE130CA-E3/54
Vishay Semiconductors
1: Rp24.767
4.224In Stock

Mfr. Part No.
1.5KE130CA-E3/54

Mouser Part No
625-1.5KE130CA-E3

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 1500W 130V Bidirect

Learn More

Datasheet

4.224In Stock

Cut Tape

Rp24.767

Rp13.594

Rp11.411

Rp8.935

Reel

Rp6.329

View

Min.: 1
Mult.: 1

: 1.400

ESD Protection Diodes / TVS Diodes 5000W 45V Unidirect

5KP45A-E3/54
Vishay Semiconductors
1: Rp72.467
1.157In Stock

Mfr. Part No.
5KP45A-E3/54

Mouser Part No
625-5KP45A-E3

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 5000W 45V Unidirect

Learn More

Datasheet

1.157In Stock

Cut Tape

Rp72.467

Rp39.260

Rp35.224

Rp27.702

Reel

Rp24.767

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes 600W 30V 5% Uni

SMBG30A-E3/52
Vishay Semiconductors
1: Rp17.612
4.050In Stock

Mfr. Part No.
SMBG30A-E3/52

Mouser Part No
625-SMBG30A-E3

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W 30V 5% Uni

Learn More

Datasheet

4.050In Stock

Cut Tape

Rp17.612

Rp8.054

Rp7.650

Reel

Rp7.632

Rp7.357

MouseReel Available

Min.: 1
Mult.: 1

: 750

ESD Protection Diodes / TVS Diodes 1500W 5.0V Unidirect

SMCG5.0A-E3/57T
Vishay Semiconductors
1: Rp43.663
1.183In Stock

Mfr. Part No.
SMCG5.0A-E3/57T

Mouser Part No
625-SMCG5.0A-E3

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 1500W 5.0V Unidirect

Learn More

Datasheet

1.183In Stock

Cut Tape

Rp43.663

Rp20.548

Rp16.713

Rp13.980

Reel

Rp12.952

View

MouseReel Available

Min.: 1
Mult.: 1

: 850

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 90V 3POLE RADIAL LEADS GDT

GTCR36-900M-R10
Littelfuse
1: Rp49.534
1.304In Stock

Mfr. Part No.
GTCR36-900M-R10

Mouser Part No
650-GTCR36-900M-R10

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 90V 3POLE RADIAL LEADS GDT

Learn More

Datasheet

1.304In Stock

Rp49.534

Rp37.976

Rp29.904

Rp28.253

View

Min.: 1
Mult.: 1

Industrial Surge Protectors TTC-6P-3-24DC-PT-I

1061383
Phoenix Contact
1: Rp3.779.459
7In Stock

Mfr. Part No.
1061383

Mouser Part No
651-1061383

Phoenix Contact

Industrial Surge Protectors TTC-6P-3-24DC-PT-I

Learn More

Datasheet

7In Stock

Rp3.779.459

Min.: 1
Mult.: 1

Circuit Breakers CAPAROC E2 12-24DC/2-10A

1110984
Phoenix Contact
1: Rp1.571.702
160In Stock

Mfr. Part No.
1110984

Mouser Part No
651-1110984

Phoenix Contact

Circuit Breakers CAPAROC E2 12-24DC/2-10A

Learn More

Datasheet

160In Stock

Rp1.571.702

Min.: 1
Mult.: 1

Surge Protection Accessories PT 2XEX(i)-BE

2839279
Phoenix Contact
1: Rp2.892.614
21In Stock

Mfr. Part No.
2839279

Mouser Part No
651-2839279

Phoenix Contact

Surge Protection Accessories PT 2XEX(i)-BE

Learn More

Datasheet

21In Stock

Rp2.892.614

Min.: 1
Mult.: 1

Industrial Surge Protectors PT 3-HF-12DC-ST

2858043
Phoenix Contact
1: Rp3.412.356
25In Stock

Mfr. Part No.
2858043

Mouser Part No
651-2858043

Phoenix Contact

Industrial Surge Protectors PT 3-HF-12DC-ST

Learn More

Datasheet

25In Stock

Rp3.412.356

Min.: 1
Mult.: 1

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

2027-60-BT1LF
Bourns
1: Rp29.537
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

Rp29.537

Rp27.336

Rp22.749

Rp20.914

Reel

Rp14.952

View

Min.: 1
Mult.: 1

: 1.000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 60volts

2031-15T-SM-RPLF
Bourns
1.500: Rp12.750
10.500In Stock

Mfr. Part No.
2031-15T-SM-RPLF

Mouser Part No
652-2031-15T-SM-RPLF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 60volts

Learn More

Datasheet

10.500In Stock

Reel

Rp12.750

Rp11.741

Rp11.173

Min.: 1.500
Mult.: 1.500

: 1.500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE HIGH VOLTAGE

2039-110-SM-RPLF
Bourns
1: Rp22.566
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

Rp22.566

Rp20.731

Rp17.190

Rp15.869

Reel

Rp11.209

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support