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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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Types of Circuit Protection

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Part #

ESD Protection Diodes / TVS Diodes 33V Vwm TransZorb eSMP TO-277A SMPC

SMPC33AN-M3/H
Vishay Semiconductors
1: Rp23.483
6.536In Stock

Mfr. Part No.
SMPC33AN-M3/H

Mouser Part No
78-SMPC33AN-M3/H

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 33V Vwm TransZorb eSMP TO-277A SMPC

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Datasheet

6.536In Stock

Cut Tape

Rp23.483

Rp11.430

Rp9.668

Rp7.540

Reel

Rp5.907

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MouseReel Available

Min.: 1
Mult.: 1

: 1.500

ESD Protection Diodes / TVS Diodes 1500W 31.4-34.7Vbr AEC-Q101 Qualified

TPC33CAHM3/H
Vishay Semiconductors
1: Rp38.894
3.171In Stock

Mfr. Part No.
TPC33CAHM3/H

Mouser Part No
78-TPC33CAHM3/H

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 1500W 31.4-34.7Vbr AEC-Q101 Qualified

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Datasheet

3.171In Stock

Cut Tape

Rp38.894

Rp19.814

Rp17.062

Rp14.053

Reel

Rp11.081

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MouseReel Available

Min.: 1
Mult.: 1

: 1.500

NTC (Negative Temperature Coefficient) Thermistors 3.3kOhm 5% PPS Resin B0/100:3970K+-2%

NTCRP3VG332JDGBEA
TDK
1: Rp225.656
528In Stock

Mfr. Part No.
NTCRP3VG332JDGBEA

Mouser Part No
810-NTCRP3VG332JDGBE

TDK

NTC (Negative Temperature Coefficient) Thermistors 3.3kOhm 5% PPS Resin B0/100:3970K+-2%

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Datasheet

528In Stock

Rp225.656

Rp204.925

Rp197.036

Rp187.863

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR EPOXY RADIAL

GA5K3A1A
TE Connectivity / Measurement Specialties
1: Rp70.082
1.448In Stock

Mfr. Part No.
GA5K3A1A

Mouser Part No
824-GA5K3A1A

TE Connectivity / Measurement Specialties

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR EPOXY RADIAL

Datasheet

1.448In Stock

Rp70.082

Rp64.578

Rp61.826

Rp59.074

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Min.: 1
Mult.: 1

Triacs ISO TO220 25A 35mA TRIAC

BTA25-600CW3G
Littelfuse
1: Rp123.469
509In Stock

Mfr. Part No.
BTA25-600CW3G

Mouser Part No
863-BTA25-600CW3G

Littelfuse

Triacs ISO TO220 25A 35mA TRIAC

Datasheet

509In Stock

Rp123.469

Rp66.779

Min.: 1
Mult.: 1

Inrush Current Limiters Inrush Current Limiter 1.0ohm 30A

B57127P109M301
TDK
1: Rp41.829
1.520In Stock

Mfr. Part No.
B57127P109M301

Mouser Part No
871-B57127P109M301

TDK

Inrush Current Limiters Inrush Current Limiter 1.0ohm 30A

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Datasheet

1.520In Stock

Rp41.829

Rp37.426

Rp34.307

Rp33.757

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Min.: 1
Mult.: 1

Inrush Current Limiters S 153/10 M51

B57153S0100M051
TDK
1: Rp12.659
6.915In Stock

Mfr. Part No.
B57153S0100M051

Mouser Part No
871-B57153S0100M051

TDK

Inrush Current Limiters S 153/10 M51

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Datasheet

6.915In Stock

Cut Tape

Rp12.659

Rp11.411

Rp9.705

Rp8.953

Reel

Rp5.706

View

Min.: 1
Mult.: 1

: 3.000

NTC (Negative Temperature Coefficient) Thermistors 100k 4600 3%

B57164K0104J000
TDK
1: Rp11.191
4.287In Stock

Mfr. Part No.
B57164K0104J000

Mouser Part No
871-B57164K104J

TDK

NTC (Negative Temperature Coefficient) Thermistors 100k 4600 3%

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Datasheet

4.287In Stock

Rp11.191

Rp10.512

Rp9.833

Rp9.356

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Min.: 1
Mult.: 1

Inrush Current Limiters ICL S235/2.5 M

B57235S0259M000
TDK
1: Rp13.943
5.143In Stock

Mfr. Part No.
B57235S0259M000

Mouser Part No
871-B57235S0259M000

TDK

Inrush Current Limiters ICL S235/2.5 M

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Datasheet

5.143In Stock

Rp13.943

Rp12.622

Rp11.026

Rp10.329

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Min.: 1
Mult.: 1

Inrush Current Limiters S 236/16 M51

B57236S0160M051
TDK
1: Rp19.997
3.470In Stock

Mfr. Part No.
B57236S0160M051

Mouser Part No
871-B57236S0160M051

TDK

Inrush Current Limiters S 236/16 M51

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Datasheet

3.470In Stock

Cut Tape

Rp19.997

Rp18.529

Rp15.264

Rp14.090

Reel

Rp9.375

View

Min.: 1
Mult.: 1

: 3.000

NTC (Negative Temperature Coefficient) Thermistors 0603 10K 3% B-4480 NTC

B57352V5103H060
TDK
1: Rp6.788
12.614In Stock

Mfr. Part No.
B57352V5103H060

Mouser Part No
871-B57352V5103H60

TDK

NTC (Negative Temperature Coefficient) Thermistors 0603 10K 3% B-4480 NTC

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Datasheet

12.614In Stock

Cut Tape

Rp6.788

Rp6.164

Rp5.375

Rp4.752

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Reel

Rp2.807

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

NTC (Negative Temperature Coefficient) Thermistors 10k 3988 3%

B57861S0103F045
TDK
1: Rp48.617
7.369In Stock

Mfr. Part No.
B57861S0103F045

Mouser Part No
871-B57861S103F45

TDK

NTC (Negative Temperature Coefficient) Thermistors 10k 3988 3%

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Datasheet

7.369In Stock

Rp48.617

Rp46.599

Rp44.030

Rp42.196

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 5k 3988

B57869S0502F140
TDK
1: Rp48.617
1.789In Stock

Mfr. Part No.
B57869S0502F140

Mouser Part No
871-B57869S502F140

TDK

NTC (Negative Temperature Coefficient) Thermistors 5k 3988

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Datasheet

1.789In Stock

Rp48.617

Rp46.599

Rp44.030

Rp42.196

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Min.: 1
Mult.: 1

Varistors 50VAC 10% 7mm StandarD

B72207S0500K111
TDK
1: Rp6.238
11.786In Stock

Mfr. Part No.
B72207S0500K111

Mouser Part No
871-B72207S0500K111

TDK

Varistors 50VAC 10% 7mm StandarD

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Datasheet

11.786In Stock

Cut Tape

Rp6.238

Rp3.798

Rp3.266

Rp3.009

View

Reel

Rp2.220

Min.: 1
Mult.: 1

: 6.000

Varistors 385VAC 10% 14mm AdvanceD

B72214S2381K101
TDK
1: Rp10.274
7.713In Stock

Mfr. Part No.
B72214S2381K101

Mouser Part No
871-B72214S2381K101

TDK

Varistors 385VAC 10% 14mm AdvanceD

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Datasheet

7.713In Stock

Rp10.274

Rp6.439

Rp5.596

Rp5.192

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Min.: 1
Mult.: 1

Varistors 250VAC 10% 14mm StandarD

B72214S0251K101
TDK
1: Rp5.504
13.992In Stock

Mfr. Part No.
B72214S0251K101

Mouser Part No
871-B72214S251K101

TDK

Varistors 250VAC 10% 14mm StandarD

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Datasheet

13.992In Stock

Rp5.504

Rp3.706

Rp3.009

Rp2.899

Min.: 1
Mult.: 1

Varistors 300VAC 10% 14mm AdvanceD Thermofused

B72214T2301K105
TDK
1: Rp40.361
2.119In Stock

Mfr. Part No.
B72214T2301K105

Mouser Part No
871-B72214T2301K105

TDK

Varistors 300VAC 10% 14mm AdvanceD Thermofused

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Datasheet

2.119In Stock

Rp40.361

Rp28.620

Rp25.684

Rp22.382

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Min.: 1
Mult.: 1

Varistors 60VAC 10% 20mm StandarD

B72220S0600K101
TDK
1: Rp16.695
5.036In Stock

Mfr. Part No.
B72220S0600K101

Mouser Part No
871-B72220S600K101

TDK

Varistors 60VAC 10% 20mm StandarD

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Datasheet

5.036In Stock

Rp16.695

Rp11.301

Rp10.310

Rp9.980

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Min.: 1
Mult.: 1

Varistors 95VAC 10% 20mm StandarD

B72220S0950K101
TDK
1: Rp18.346
6.580In Stock
4.500Expected 08/10/2026

Mfr. Part No.
B72220S0950K101

Mouser Part No
871-B72220S950K101

TDK

Varistors 95VAC 10% 20mm StandarD

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Datasheet

6.580In Stock

4.500Expected 08/10/2026

Rp18.346

Rp11.723

Rp10.714

Rp9.962

View

Min.: 1
Mult.: 1

Varistors 550VAC 10% 40mm High E

B72240L0551K102
TDK
1: Rp321.422
250In Stock

Mfr. Part No.
B72240L0551K102

Mouser Part No
871-B72240L0551K102

TDK

Varistors 550VAC 10% 40mm High E

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Datasheet

250In Stock

Rp321.422

Rp246.570

Rp246.387

Rp227.674

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Min.: 1
Mult.: 1

Varistors 10mm, 680Vac, 10%, Compact Series

B72310S0681K101
TDK
1: Rp11.008
8.131In Stock

Mfr. Part No.
B72310S0681K101

Mouser Part No
871-B72310S0681K101

TDK

Varistors 10mm, 680Vac, 10%, Compact Series

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Datasheet

8.131In Stock

Rp11.008

Rp7.045

Rp6.146

Rp5.651

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Min.: 1
Mult.: 1

Varistors 14mm, 350Vac, 10%, AdvanceD Compact Series

B72314S2351K101
TDK
1: Rp8.439
7.525In Stock

Mfr. Part No.
B72314S2351K101

Mouser Part No
871-B72314S2351K101

TDK

Varistors 14mm, 350Vac, 10%, AdvanceD Compact Series

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Datasheet

7.525In Stock

Rp8.439

Rp5.339

Rp4.642

Rp4.165

View

Min.: 1
Mult.: 1

Varistors 0603 4.0V 30A

B72500T0040M060
TDK
1: Rp4.403
48.316In Stock

Mfr. Part No.
B72500T0040M060

Mouser Part No
871-B72500T40M60

TDK

Varistors 0603 4.0V 30A

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Datasheet

48.316In Stock

Cut Tape

Rp4.403

Rp2.679

Rp2.293

Rp2.110

Reel

Rp1.688

View

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Varistors 20Vrms 80A

B72510E0200K062
TDK
1: Rp9.356
28.129In Stock

Mfr. Part No.
B72510E0200K062

Mouser Part No
871-B72510E0200K062

TDK

Varistors 20Vrms 80A

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Datasheet

28.129In Stock

Cut Tape

Rp9.356

Rp5.522

Rp4.953

Rp4.605

Reel

Rp4.054

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Varistors 1210 58VDC 2000pF 1000A

B72530T6400K062
TDK
1: Rp20.181
5.824In Stock

Mfr. Part No.
B72530T6400K062

Mouser Part No
871-B72530T6400K062

TDK

Varistors 1210 58VDC 2000pF 1000A

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Datasheet

5.824In Stock

Cut Tape

Rp20.181

Rp13.099

Rp11.778

Rp11.044

Reel

Rp9.191

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

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