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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: 362.183

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Part #

ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ85CA CR T&R

SMBJ85CA-E
Littelfuse
1: Rp11.008
2.312In Stock
New Product

Mfr. Part No.
SMBJ85CA-E

Mouser Part No
576-SMBJ85CAE

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ85CA CR T&R

Datasheet

2.312In Stock

Cut Tape

Rp11.008

Rp5.724

Rp4.256

Rp3.211

Reel

Rp1.725

View

Min.: 1
Mult.: 1

: 3.000

Varistors MOV 510V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200

511KH10-AT
YAGEO
1: Rp17.062
2.630In Stock
400On Order
New Product

Mfr. Part No.
511KH10-AT

Mouser Part No
603-511KH10-AT

New Product

YAGEO

Varistors MOV 510V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200

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Datasheet

2.630In Stock

400On Order

Rp17.062

Rp10.237

Rp6.550

Rp6.073

View

Min.: 1
Mult.: 1

Industrial Surge Protectors SFP2-1S-1-10A-120AC-UT

1292457
Phoenix Contact
1: Rp4.138.307
1In Stock
9On Order
New Product

Mfr. Part No.
1292457

Mouser Part No
651-1292457

New Product

Phoenix Contact

Industrial Surge Protectors SFP2-1S-1-10A-120AC-UT

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Datasheet

1In Stock

9On Order

Rp4.138.307

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 5V BI SOD323

CDSOD323-T12C-Q
Bourns
1: Rp21.832
2.081In Stock
New Product

Mfr. Part No.
CDSOD323-T12C-Q

Mouser Part No
652-CDSOD323-T12C-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes ESD 5V BI SOD323

Learn More

Datasheet

2.081In Stock

Cut Tape

Rp21.832

Rp13.594

Rp8.916

Rp6.898

Reel

Rp5.449

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes TVS 7V/12V AEC-Q101

CDSOT23-SM712-Q
Bourns
1: Rp27.702
1.398In Stock
24.000On Order
New Product

Mfr. Part No.
CDSOT23-SM712-Q

Mouser Part No
652-CDSOT23-SM712-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes TVS 7V/12V AEC-Q101

Learn More

Datasheet

1.398In Stock

24.000On Order

Cut Tape

Rp27.702

Rp15.356

Rp11.595

Rp9.063

Reel

Rp6.641

View

Min.: 1
Mult.: 1

: 3.000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 450A

PF-1NH100E450B2
Bourns
1: Rp6.692.070
4In Stock
New Product

Mfr. Part No.
PF-1NH100E450B2

Mouser Part No
652-PF-1NH100E450B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 450A

Learn More

Datasheet

4In Stock

Rp6.692.070

Rp5.321.257

Rp4.903.702

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 500A

PF-1NH100E500B2
Bourns
1: Rp6.692.070
4In Stock
New Product

Mfr. Part No.
PF-1NH100E500B2

Mouser Part No
652-PF-1NH100E500B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 500A

Learn More

Datasheet

4In Stock

Rp6.692.070

Rp5.321.257

Rp4.903.702

Min.: 1
Mult.: 1

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A

ESR3XLDB0315XI
Littelfuse
1: Rp10.635.910
3In Stock
New Product

Mfr. Part No.
ESR3XLDB0315XI

Mouser Part No
576-ESR3XLDB0315XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A

Learn More

Datasheet

3In Stock

Rp10.635.910

Rp8.733.246

Rp7.949.505

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A

ESR3XLUB0500XI
Littelfuse
1: Rp11.163.541
3In Stock
New Product

Mfr. Part No.
ESR3XLUB0500XI

Mouser Part No
576-ESR3XLUB0500XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A

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Datasheet

3In Stock

Rp11.163.541

Rp9.501.944

Rp8.519.515

Quote

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 4V, 0.55pF, 20A, SOD882

SC4340L-01ETG
Littelfuse
1: Rp11.375
6.532In Stock
New Product

Mfr. Part No.
SC4340L-01ETG

Mouser Part No
576-SC4340L-01ETG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 4V, 0.55pF, 20A, SOD882

Learn More

6.532In Stock

Cut Tape

Rp11.375

Rp6.898

Rp4.403

Rp3.651

Reel

Rp2.036

View

Min.: 1
Mult.: 1

: 10.000

ESD Protection Diodes / TVS Diodes "20 V, 50pF, 5A,"

SP1120-01WTG
Littelfuse
1: Rp4.953
7.629In Stock
New Product

Mfr. Part No.
SP1120-01WTG

Mouser Part No
576-SP1120-01WTG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes "20 V, 50pF, 5A,"

Learn More

7.629In Stock

Cut Tape

Rp4.953

Rp2.990

Rp2.348

Rp2.238

View

Reel

Rp1.614

Min.: 1
Mult.: 1

: 10.000

ESD Protection Diodes / TVS Diodes 4V, 0.45pF, 20A, Flipchip

SP4340L-01WTG
Littelfuse
1: Rp5.504
7.606In Stock
New Product

Mfr. Part No.
SP4340L-01WTG

Mouser Part No
576-SP4340L-01WTG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 4V, 0.45pF, 20A, Flipchip

Learn More

7.606In Stock

Cut Tape

Rp5.504

Rp3.412

Rp2.697

Rp2.550

View

Reel

Rp1.853

Min.: 1
Mult.: 1

: 10.000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 350A

PF-01N100E350B2
Bourns
1: Rp6.109.952
6In Stock
New Product

Mfr. Part No.
PF-01N100E350B2

Mouser Part No
652-PF-01N100E350B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 350A

Learn More

Datasheet

6In Stock

Rp6.109.952

Rp5.069.367

Rp4.327.821

Min.: 1
Mult.: 1

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 450A

ESR3XLUB0450XI
Littelfuse
1: Rp11.270.131
3In Stock
New Product

Mfr. Part No.
ESR3XLUB0450XI

Mouser Part No
576-ESR3XLUB0450XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 450A

Learn More

Datasheet

3In Stock

Rp11.270.131

Rp9.254.089

Rp8.423.566

Quote

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L

SC3000-01UTG
Littelfuse
1: Rp29.170
3.100In Stock
New Product

Mfr. Part No.
SC3000-01UTG

Mouser Part No
576-SC3000-01UTG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L

Learn More

Datasheet

3.100In Stock

Cut Tape

Rp29.170

Rp18.529

Rp12.218

Rp9.577

Reel

Rp7.448

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

SCRs 8A 800V Std TO-251 V-PAK

SJ8008VTP
Littelfuse
1: Rp56.873
750In Stock
New Product

Mfr. Part No.
SJ8008VTP

Mouser Part No
576-SJ8008VTP

New Product

Littelfuse

SCRs 8A 800V Std TO-251 V-PAK

Learn More

Datasheet

750In Stock

Rp56.873

Rp37.059

Rp25.501

Rp21.281

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe MP1 Type R(100) =3.3kOhms +/-5% Temp. Range -30 to 200

PT3FC-51F-MP1
Shibaura Electronics
1: Rp222.354
100In Stock
New Product

Mfr. Part No.
PT3FC-51F-MP1

Mouser Part No
603-PT3FC-51F-MP1

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe MP1 Type R(100) =3.3kOhms +/-5% Temp. Range -30 to 200

Learn More

Datasheet

100In Stock

Rp222.354

Rp202.540

Rp172.085

Rp164.380

View

Min.: 1
Mult.: 1

Industrial Surge Protectors SFP2-1S-1-5A-120AC-UT

1292315
Phoenix Contact
1: Rp3.949.343
5In Stock
New Product

Mfr. Part No.
1292315

Mouser Part No
651-1292315

New Product

Phoenix Contact

Industrial Surge Protectors SFP2-1S-1-5A-120AC-UT

Learn More

Datasheet

5In Stock

Rp3.949.343

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 3.3V BI

CDDFN2-T3V3SC
Bourns
1: Rp7.705
8.400In Stock
New Product

Mfr. Part No.
CDDFN2-T3V3SC

Mouser Part No
652-CDDFN2-T3V3SC

New Product

Bourns

ESD Protection Diodes / TVS Diodes ESD 3.3V BI

Learn More

Datasheet

8.400In Stock

Cut Tape

Rp7.705

Rp5.339

Rp2.623

Rp2.183

Reel

Rp954

View

MouseReel Available

Min.: 1
Mult.: 1

: 12.000

ESD Protection Diodes / TVS Diodes ESD 5V UNI

CDDFN2-T5V0SC
Bourns
1: Rp6.971
8.393In Stock
New Product

Mfr. Part No.
CDDFN2-T5V0SC

Mouser Part No
652-CDDFN2-T5V0SC

New Product

Bourns

ESD Protection Diodes / TVS Diodes ESD 5V UNI

Learn More

Datasheet

8.393In Stock

Cut Tape

Rp6.971

Rp4.843

Rp2.367

Rp1.981

Reel

Rp917

View

MouseReel Available

Min.: 1
Mult.: 1

: 12.000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 600A

PF-1NH100E600B2
Bourns
1: Rp6.692.070
4In Stock
New Product

Mfr. Part No.
PF-1NH100E600B2

Mouser Part No
652-PF-1NH100E600B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 600A

Learn More

Datasheet

4In Stock

Rp6.692.070

Rp5.321.257

Rp4.903.702

Min.: 1
Mult.: 1

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A

ESR3XLUB0250XI
Littelfuse
1: Rp9.584.317
3In Stock
New Product

Mfr. Part No.
ESR3XLUB0250XI

Mouser Part No
576-ESR3XLUB0250XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A

Learn More

Datasheet

3In Stock

Rp9.584.317

Rp7.869.700

Rp7.163.746

Quote

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L

SC712-02HTG
Littelfuse
1: Rp23.850
2.084In Stock
100Expected 17/11/2026
New Product

Mfr. Part No.
SC712-02HTG

Mouser Part No
576-SC712-02HTG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L

Learn More

Datasheet

2.084In Stock

100Expected 17/11/2026

Cut Tape

Rp23.850

Rp14.989

Rp9.833

Rp7.669

Reel

Rp5.926

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes DIO TVS VWM 12V 400W BIDIR SOD323 AUTO GRADE

CDSOD323-T12SC-Q
Bourns
1: Rp22.015
2.100In Stock
New Product

Mfr. Part No.
CDSOD323-T12SC-Q

Mouser Part No
652-CDSOD323-T12SC-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 12V 400W BIDIR SOD323 AUTO GRADE

Learn More

Datasheet

2.100In Stock

Cut Tape

Rp22.015

Rp13.760

Rp9.045

Rp7.045

Reel

Rp5.449

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 315A

PF-01N100E315B2
Bourns
1: Rp6.109.952
6In Stock
New Product

Mfr. Part No.
PF-01N100E315B2

Mouser Part No
652-PF-01N100E315B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 315A

Learn More

Datasheet

6In Stock

Rp6.109.952

Rp5.069.367

Rp4.327.821

Min.: 1
Mult.: 1

Circuit Protection

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