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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: 359.338

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Part #

SCRs 600V 25A

MCR25MG
Littelfuse
1: Rp73.384
803In Stock

Mfr. Part No.
MCR25MG

Mouser Part No
863-MCR25MG

Littelfuse

SCRs 600V 25A

Datasheet

803In Stock

Cut Tape

Rp73.384

Rp48.433

Rp33.390

Reel

Rp33.390

Min.: 1
Mult.: 1

: 1.000

Triacs THY SPECIAL TRIAC

T2800DG
Littelfuse
1: Rp51.736
3.355In Stock

Mfr. Part No.
T2800DG

Mouser Part No
863-T2800DG

Littelfuse

Triacs THY SPECIAL TRIAC

Datasheet

3.355In Stock

Cut Tape

Rp51.736

Rp32.106

Rp23.299

Rp20.731

Reel

Rp20.731

Min.: 1
Mult.: 1

: 1.000

NTC (Negative Temperature Coefficient) Thermistors NTC Thermistor 0402 47K F60 B-4108 NICA

B57250V2473F560
TDK
1: Rp2.202
34.657In Stock

Mfr. Part No.
B57250V2473F560

Mouser Part No
871-B57250V2473F560

TDK

NTC (Negative Temperature Coefficient) Thermistors NTC Thermistor 0402 47K F60 B-4108 NICA

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Datasheet

34.657In Stock

Cut Tape

Rp2.202

Rp1.890

Rp1.780

Rp1.486

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Reel

Rp771

Min.: 1
Mult.: 1

: 10.000

Inrush Current Limiters S 364/1 M51

B57364S0109M051
TDK
1: Rp57.240
2.204In Stock

Mfr. Part No.
B57364S0109M051

Mouser Part No
871-B57364S0109M051

TDK

Inrush Current Limiters S 364/1 M51

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Datasheet

2.204In Stock

Cut Tape

Rp57.240

Rp47.516

Rp43.847

Rp36.325

View

Reel

Rp24.951

Min.: 1
Mult.: 1

: 2.000

NTC (Negative Temperature Coefficient) Thermistors 10kohm 3950 3% 200mW Probe M702/10K/J

B57702M0103J000
TDK
1: Rp72.834
1.267In Stock

Mfr. Part No.
B57702M0103J000

Mouser Part No
871-B57702M0103J000

TDK

NTC (Negative Temperature Coefficient) Thermistors 10kohm 3950 3% 200mW Probe M702/10K/J

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Datasheet

1.267In Stock

Rp72.834

Rp65.312

Rp62.560

Rp59.074

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 5k 3988

B57863S0502F040
TDK
1: Rp49.351
4.753In Stock

Mfr. Part No.
B57863S0502F040

Mouser Part No
871-B57863S502F40

TDK

NTC (Negative Temperature Coefficient) Thermistors 5k 3988

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Datasheet

4.753In Stock

Rp49.351

Rp47.149

Rp44.581

Rp42.746

View

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors 160C 12Vdc 3ohms Disc PTC Heating

B59060A0160A010
TDK
1: Rp42.379
1.660In Stock

Mfr. Part No.
B59060A0160A010

Mouser Part No
871-B59060A0160A010

TDK

PTC (Positive Temperature Coefficient) Thermistors 160C 12Vdc 3ohms Disc PTC Heating

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Datasheet

1.660In Stock

Rp42.379

Rp34.674

Rp28.069

Rp26.235

View

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors 180C 12Vdc 3ohms Disc PTC Heating

B59060A0180A010
TDK
1: Rp27.336
1.945In Stock

Mfr. Part No.
B59060A0180A010

Mouser Part No
871-B59060A0180A010

TDK

PTC (Positive Temperature Coefficient) Thermistors 180C 12Vdc 3ohms Disc PTC Heating

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Datasheet

1.945In Stock

Rp27.336

Rp26.051

Rp24.584

Rp23.483

View

Min.: 1
Mult.: 1

Varistors 625VAC 10% 10mm StandarD

B72210S0621K101
TDK
1: Rp12.108
8.400In Stock

Mfr. Part No.
B72210S0621K101

Mouser Part No
871-B72210S0621K101

TDK

Varistors 625VAC 10% 10mm StandarD

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Datasheet

8.400In Stock

Rp12.108

Rp7.760

Rp6.788

Rp6.311

View

Min.: 1
Mult.: 1

Varistors 20VAC 10% 10mm StandarD

B72210S0200K101
TDK
1: Rp6.788
9.612In Stock

Mfr. Part No.
B72210S0200K101

Mouser Part No
871-B72210S200K101

TDK

Varistors 20VAC 10% 10mm StandarD

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Datasheet

9.612In Stock

Rp6.788

Rp4.311

Rp3.614

Rp3.339

View

Min.: 1
Mult.: 1

Varistors 460VAC 10% 10mm AdvanceD

B72210S2461K101
TDK
1: Rp10.457
11.103In Stock

Mfr. Part No.
B72210S2461K101

Mouser Part No
871-B72210S2461K101

TDK

Varistors 460VAC 10% 10mm AdvanceD

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Datasheet

11.103In Stock

Rp10.457

Rp6.568

Rp5.724

Rp5.320

View

Min.: 1
Mult.: 1

Varistors 35VAC 10% 10mm StandarD

B72210S0350K101
TDK
1: Rp6.788
17.167In Stock

Mfr. Part No.
B72210S0350K101

Mouser Part No
871-B72210S350K101

TDK

Varistors 35VAC 10% 10mm StandarD

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Datasheet

17.167In Stock

Rp6.788

Rp4.183

Rp3.688

Rp3.339

View

Min.: 1
Mult.: 1

Varistors 40VAC 10% 14mm StandarD

B72214S0400K101
TDK
1: Rp9.540
11.185In Stock

Mfr. Part No.
B72214S0400K101

Mouser Part No
871-B72214S400K101

TDK

Varistors 40VAC 10% 14mm StandarD

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Datasheet

11.185In Stock

Rp9.540

Rp5.999

Rp5.210

Rp4.825

View

Min.: 1
Mult.: 1

Varistors 14VAC 10% 20mm StandarD

B72220S0140K101
TDK
1: Rp16.328
4.364In Stock

Mfr. Part No.
B72220S0140K101

Mouser Part No
871-B72220S140K101

TDK

Varistors 14VAC 10% 20mm StandarD

Learn More

Datasheet

4.364In Stock

Rp16.328

Rp10.439

Rp9.448

Rp9.045

View

Min.: 1
Mult.: 1

Varistors 550VAC 10% 25mm SuperioR

B72225S4551K101
TDK
1: Rp62.376
845In Stock

Mfr. Part No.
B72225S4551K101

Mouser Part No
871-B72225S4551K101

TDK

Varistors 550VAC 10% 25mm SuperioR

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Datasheet

845In Stock

Rp62.376

Rp51.919

Rp46.966

Rp43.663

View

Min.: 1
Mult.: 1

Varistors 0603 5.6V Ceradiode

B72500D0050H160
TDK
1: Rp2.202
46.155In Stock

Mfr. Part No.
B72500D0050H160

Mouser Part No
871-B72500D0050H160

TDK

Varistors 0603 5.6V Ceradiode

Learn More

Datasheet

46.155In Stock

Cut Tape

Rp2.202

Rp1.284

Rp1.082

Rp1.064

Reel

Rp1.064

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Varistors 5.6 VDC 19V-CL

B72500D50A60
TDK
1: Rp2.568
162.430In Stock

Mfr. Part No.
B72500D50A60

Mouser Part No
871-B72500D50A60

TDK

Varistors 5.6 VDC 19V-CL

Learn More

Datasheet

162.430In Stock

Cut Tape

Rp2.568

Rp1.926

Rp1.321

Rp1.137

Reel

Rp715

View

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Varistors 0603 25V 30A 300mJ

B72500T0250K060
TDK
1: Rp4.220
18.279In Stock

Mfr. Part No.
B72500T0250K060

Mouser Part No
871-B72500T0250K060

TDK

Varistors 0603 25V 30A 300mJ

Learn More

Datasheet

18.279In Stock

Cut Tape

Rp4.220

Rp2.495

Rp2.128

Rp1.945

Reel

Rp1.614

View

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Varistors 1206 40Vrms 100A

B72520E0400K062
TDK
1: Rp21.648
7.215In Stock

Mfr. Part No.
B72520E0400K062

Mouser Part No
871-B72520E0400K062

TDK

Varistors 1206 40Vrms 100A

Learn More

Datasheet

7.215In Stock

Cut Tape

Rp21.648

Rp13.154

Rp8.384

Rp7.412

Reel

Rp5.192

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

Varistors 1206 14V 200A 700pF

B72520T140K62
TDK
1: Rp9.907
8.851In Stock

Mfr. Part No.
B72520T140K62

Mouser Part No
871-B72520T140K62

TDK

Varistors 1206 14V 200A 700pF

Learn More

Datasheet

8.851In Stock

Cut Tape

Rp9.907

Rp6.201

Rp5.394

Rp5.008

View

Reel

Rp3.926

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Varistors 1206 8.0V 200A

B72520T0080L062
TDK
1: Rp9.907
8.649In Stock

Mfr. Part No.
B72520T0080L062

Mouser Part No
871-B72520T80L62

TDK

Varistors 1206 8.0V 200A

Learn More

Datasheet

8.649In Stock

Cut Tape

Rp9.907

Rp6.201

Rp5.394

Rp5.008

View

Reel

Rp3.926

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Varistors 30VAC 10% 3225mm

B72650M0300K072
TDK
1: Rp15.227
9.149In Stock

Mfr. Part No.
B72650M0300K072

Mouser Part No
871-B72650M0300K072

TDK

Varistors 30VAC 10% 3225mm

Learn More

Datasheet

9.149In Stock

Cut Tape

Rp15.227

Rp9.448

Rp8.641

Rp8.054

Reel

Rp6.164

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors ES300XP

B88069X4180B502
TDK
1: Rp44.397
1.826In Stock

Mfr. Part No.
B88069X4180B502

Mouser Part No
871-B88069X4180B502

TDK

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors ES300XP

Datasheet

1.826In Stock

Rp44.397

Rp39.994

Rp34.124

Rp31.555

View

Min.: 1
Mult.: 1

Circuit Breakers Cir Brkr Hyd Mag

219-3-8303-11
AIRPAX
1: Rp6.157.101
7In Stock

Mfr. Part No.
219-3-8303-11

Mouser Part No
874-2193830311

AIRPAX

Circuit Breakers Cir Brkr Hyd Mag

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Datasheet

7In Stock

Rp6.157.101

Rp5.380.515

Rp5.380.331

Rp5.319.239

View

Min.: 1
Mult.: 1

Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 1.0 GHz

3401.17.0033
HUBER+SUHNER
1: Rp5.927.593
10In Stock

Mfr. Part No.
3401.17.0033

Mouser Part No
455-3401170033

HUBER+SUHNER

Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 1.0 GHz

Learn More

Datasheet

10In Stock

Rp5.927.593

Rp5.643.413

View

Min.: 1
Mult.: 1

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