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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: 362.172

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Part #

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

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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

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Datasheet

750In Stock

Rp56.873

Rp37.059

Rp25.501

Rp21.281

View

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 315A

ESR3XLUB0315XI
Littelfuse
1: Rp10.722.503
2In Stock
1Expected 03/09/2026
New Product

Mfr. Part No.
ESR3XLUB0315XI

Mouser Part No
576-ESR3XLUB0315XI

New Product

Littelfuse

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

Learn More

Datasheet

2In Stock

1Expected 03/09/2026

Rp10.722.503

Rp8.804.429

Rp8.014.267

Quote

Min.: 1
Mult.: 1

Triacs 0.8A 600V Sens SOT-89

LX809MBRP
Littelfuse
1: Rp24.951
700In Stock
200Expected 12/08/2026
New Product

Mfr. Part No.
LX809MBRP

Mouser Part No
576-LX809MBRP

New Product

Littelfuse

Triacs 0.8A 600V Sens SOT-89

Learn More

Datasheet

700In Stock

200Expected 12/08/2026

Cut Tape

Rp24.951

Rp15.356

Rp10.090

Rp8.036

Reel

Rp6.825

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Industrial Surge Protectors SFP2-1S-1-20A-230AC-UT

1292605
Phoenix Contact
1: Rp4.705.199
2In Stock
24Expected 26/10/2026
New Product

Mfr. Part No.
1292605

Mouser Part No
651-1292605

New Product

Phoenix Contact

Industrial Surge Protectors SFP2-1S-1-20A-230AC-UT

Learn More

Datasheet

2In Stock

24Expected 26/10/2026

Rp4.705.199

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 550A

PF-1NH100E550B2
Bourns
1: Rp6.692.070
4In Stock
New Product

Mfr. Part No.
PF-1NH100E550B2

Mouser Part No
652-PF-1NH100E550B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 550A

Learn More

Datasheet

4In Stock

Rp6.692.070

Rp5.321.257

Rp4.903.702

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882

SC1003-01ETG
Littelfuse
1: Rp11.008
10.080In Stock
New Product

Mfr. Part No.
SC1003-01ETG

Mouser Part No
576-SC1003-01ETG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882

Learn More

Datasheet

10.080In Stock

Cut Tape

Rp11.008

Rp6.733

Rp4.293

Rp3.577

Reel

Rp2.000

View

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

ESD Protection Diodes / TVS Diodes DIO TVS VWM 24V 350W BIDIR SOD323 Automotive

CDSOD323-T24LC-Q
Bourns
1: Rp22.749
2.044In Stock
New Product

Mfr. Part No.
CDSOD323-T24LC-Q

Mouser Part No
652-CDSOD323-T24LC-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 24V 350W BIDIR SOD323 Automotive

Learn More

Datasheet

2.044In Stock

Cut Tape

Rp22.749

Rp14.236

Rp9.356

Rp7.283

Reel

Rp5.632

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 250A

PF-01N100E250B2
Bourns
1: Rp5.816.599
6In Stock
New Product

Mfr. Part No.
PF-01N100E250B2

Mouser Part No
652-PF-01N100E250B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 250A

Learn More

Datasheet

6In Stock

Rp5.816.599

Rp4.802.616

Rp4.120.512

Rp3.906.414

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Glass Encapsulated NTC Thermistor, Probe, Surface Mount 15K4

20012616-00
TE Connectivity
1: Rp7.011.291
1In Stock
New Product

Mfr. Part No.
20012616-00

Mouser Part No
571-20012616-00

New Product

TE Connectivity

NTC (Negative Temperature Coefficient) Thermistors Glass Encapsulated NTC Thermistor, Probe, Surface Mount 15K4

Learn More

Datasheet

1In Stock

Rp7.011.291

Rp5.626.535

Rp5.575.533

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes DIO TVS VWM 03V 400W BIDIR SOD323 AUTO GRADE

CDSOD323-T03SC-Q
Bourns
1: Rp22.015
2.030In Stock
New Product

Mfr. Part No.
CDSOD323-T03SC-Q

Mouser Part No
652-CDSOD323-T03SC-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 03V 400W BIDIR SOD323 AUTO GRADE

Learn More

Datasheet

2.030In Stock

Cut Tape

Rp22.015

Rp13.760

Rp9.045

Rp7.045

Reel

Rp5.449

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes DIO TVS VWM 36V 400W BIDIR SOD323 AUTO GRADE

CDSOD323-T36SC-Q
Bourns
1: Rp22.015
2.099In Stock
New Product

Mfr. Part No.
CDSOD323-T36SC-Q

Mouser Part No
652-CDSOD323-T36SC-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 36V 400W BIDIR SOD323 AUTO GRADE

Learn More

Datasheet

2.099In 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 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
2.086In 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

2.086In 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 Breakers LG 3 POLE 150KA FRAME ONLY

LGU3630NN
Eaton Electrical
1: Rp257.447.583
1In Stock
New Product

Mfr. Part No.
LGU3630NN

Mouser Part No
504-LGU3630NN

New Product

Eaton Electrical

Circuit Breakers LG 3 POLE 150KA FRAME ONLY

Datasheet

1In Stock

Rp257.447.583

Min.: 1
Mult.: 1

Circuit Protection

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