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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: 359.634

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Part #

ESD Protection Diodes / TVS Diodes Ultra Low Capacitance ESD Protection 5V

PEC11SD03S1Q_R1_00301
Panjit
1: Rp5.871
34.620In Stock

Mfr. Part No.
PEC11SD03S1Q_R1_00301

Mouser Part No
241-PEC11SD03S1QR131

Panjit

ESD Protection Diodes / TVS Diodes Ultra Low Capacitance ESD Protection 5V

Datasheet

34.620In Stock

Cut Tape

Rp5.871

Rp2.605

Rp2.275

Rp1.669

Reel

Rp1.027

View

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

SCR Modules Bipolar Module - Thyristor ComPack

MCMA700PD1600CB
IXYS
1: Rp5.957.680
74In Stock
3Expected 06/10/2026

Mfr. Part No.
MCMA700PD1600CB

Mouser Part No
747-MCMA700PD1600CB

IXYS

SCR Modules Bipolar Module - Thyristor ComPack

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Datasheet

74In Stock

3Expected 06/10/2026

Rp5.957.680

Rp4.802.983

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 4A 600VAC 600VDC Midget

KLKD004.T
Littelfuse
1: Rp390.586
1.235In Stock

Mfr. Part No.
KLKD004.T

Mouser Part No
576-KLKD004.T

Littelfuse

Industrial & Electrical Fuses 4A 600VAC 600VDC Midget

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Datasheet

1.235In Stock

Rp390.586

Rp327.476

Rp313.166

Rp278.676

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes Low-Cap 3Ch ESD Prot ection Array

TPD3E001DRYR
Texas Instruments
1: Rp19.630
82.397In Stock

Mfr. Part No.
TPD3E001DRYR

Mouser Part No
595-TPD3E001DRYR

Texas Instruments

ESD Protection Diodes / TVS Diodes Low-Cap 3Ch ESD Prot ection Array

Datasheet

82.397In Stock

Cut Tape

Rp19.630

Rp9.797

Rp8.182

Rp6.494

Reel

Rp4.366

View

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

ESD Protection Diodes / TVS Diodes 300W TVS2 12V 7"RL LEAD-FREE

SM12.TCT
Semtech
1: Rp13.026
63.995In Stock

Mfr. Part No.
SM12.TCT

Mouser Part No
947-SM12.TCT

Semtech

ESD Protection Diodes / TVS Diodes 300W TVS2 12V 7"RL LEAD-FREE

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Datasheet

63.995In Stock

Cut Tape

Rp13.026

Rp8.146

Rp6.403

Rp5.284

Rp5.045

Reel

Rp3.706

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial

30KPA216CA
Littelfuse
1: Rp525.796
1.440In Stock

Mfr. Part No.
30KPA216CA

Mouser Part No
576-30KPA216CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial

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Datasheet

1.440In Stock

Cut Tape

Rp525.796

Rp392.788

Rp392.421

Rp321.238

Reel

Rp320.872

Min.: 1
Mult.: 1

: 800

Circuit Breakers CBMC E4 24DC/1-4A+ IOL

2910410
Phoenix Contact
1: Rp3.971.909
85In Stock

Mfr. Part No.
2910410

Mouser Part No
651-2910410

Phoenix Contact

Circuit Breakers CBMC E4 24DC/1-4A+ IOL

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Datasheet

85In Stock

Rp3.971.909

Min.: 1
Mult.: 1

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

B57861S0103F045
TDK
1: Rp48.617
7.511In Stock

Mfr. Part No.
B57861S0103F045

Mouser Part No
871-B57861S103F45

TDK

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

Learn More

Datasheet

7.511In Stock

Rp48.617

Rp46.599

Rp44.030

Rp42.196

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes Zen TVS 5000W 20V Bi DO-214AB TR13

SZ5KASMC20CAT3G
Littelfuse
1: Rp66.963
7.370In Stock

Mfr. Part No.
SZ5KASMC20CAT3G

Mouser Part No
576-SZ5KASMC20CAT3G

Littelfuse

ESD Protection Diodes / TVS Diodes Zen TVS 5000W 20V Bi DO-214AB TR13

Learn More

Datasheet

7.370In Stock

Cut Tape

Rp66.963

Rp43.663

Rp34.307

Rp33.023

Reel

Rp27.336

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Industrial & Electrical Fuses 600V 50A RoHS

0JTD050.TXR
Littelfuse
1: Rp1.146.992
58In Stock

Mfr. Part No.
0JTD050.TXR

Mouser Part No
576-0JTD050.TXR

Littelfuse

Industrial & Electrical Fuses 600V 50A RoHS

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Datasheet

58In Stock

Rp1.146.992

Rp978.943

Rp905.559

Rp797.501

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 5.0SMDJ - CA 250V

5.0SMDJ250CA
Littelfuse
1: Rp55.955
1.740In Stock

Mfr. Part No.
5.0SMDJ250CA

Mouser Part No
576-5.0SMDJ250CA

Littelfuse

ESD Protection Diodes / TVS Diodes 5.0SMDJ - CA 250V

Datasheet

1.740In Stock

Cut Tape

Rp55.955

Rp36.325

Rp26.602

Rp22.566

Rp19.080

Reel

Rp18.163

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes Zen TVS 5000W 28V Bi DO-214AB TR13

SZ5KASMC28CAT3G
Littelfuse
1: Rp66.963
3.918In Stock

Mfr. Part No.
SZ5KASMC28CAT3G

Mouser Part No
576-SZ5KASMC28CAT3G

Littelfuse

ESD Protection Diodes / TVS Diodes Zen TVS 5000W 28V Bi DO-214AB TR13

Learn More

Datasheet

3.918In Stock

Cut Tape

Rp66.963

Rp43.663

Rp34.307

Rp33.023

Reel

Rp27.336

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Thermal Cut-offs 16V 500A MAX

HCRTP-MINI-B
Littelfuse
1: Rp27.702
4.000In Stock
New Product

Mfr. Part No.
HCRTP-MINI-B

Mouser Part No
650-HCRTP-MINI-B

New Product

Littelfuse

Thermal Cut-offs 16V 500A MAX

Datasheet

4.000In Stock

Rp27.702

Rp22.015

Rp18.144

Rp16.218

View

Min.: 1
Mult.: 1

Industrial Surge Protectors DATA and SIGNAL SPD,2L,110V,Circuit 6

2510-2L6-48
Bourns
1: Rp1.521.250
108In Stock

Mfr. Part No.
2510-2L6-48

Mouser Part No
652-2510-2L6-48

Bourns

Industrial Surge Protectors DATA and SIGNAL SPD,2L,110V,Circuit 6

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Datasheet

108In Stock

Rp1.521.250

Rp1.267.158

Rp1.200.746

Rp1.200.562

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 5.0SMDJ - A 400V

5.0SMDJ400A
Littelfuse
1: Rp55.955
2.848In Stock

Mfr. Part No.
5.0SMDJ400A

Mouser Part No
576-5.0SMDJ400A

Littelfuse

ESD Protection Diodes / TVS Diodes 5.0SMDJ - A 400V

Datasheet

2.848In Stock

Cut Tape

Rp55.955

Rp36.325

Rp26.602

Rp22.566

Rp20.914

Reel

Rp20.914

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes Zen TVS 5000W 33V Bi DO-214AB TR13

SZ5KASMC33CAT3G
Littelfuse
1: Rp66.963
3.560In Stock

Mfr. Part No.
SZ5KASMC33CAT3G

Mouser Part No
576-SZ5KASMC33CAT3G

Littelfuse

ESD Protection Diodes / TVS Diodes Zen TVS 5000W 33V Bi DO-214AB TR13

Learn More

Datasheet

3.560In Stock

Cut Tape

Rp66.963

Rp43.663

Rp34.307

Rp33.023

Reel

Rp27.336

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Varistors 35VAC 45VDC 1800pF AEC-Q200

V45MLA1812NRAUTO
Littelfuse
1: Rp55.955
1.404In Stock

Mfr. Part No.
V45MLA1812NRAUTO

Mouser Part No
576-V45MLA1812NRAUTO

Littelfuse

Varistors 35VAC 45VDC 1800pF AEC-Q200

Learn More

Datasheet

1.404In Stock

Cut Tape

Rp55.955

Rp40.361

Rp37.976

Rp32.472

Reel

Rp23.666

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Varistors 14mm Radial Disc MOV - Kinked Leads, T&R

MOV-14D271KKTR
Bourns
1: Rp15.411
17.499In Stock

Mfr. Part No.
MOV-14D271KKTR

Mouser Part No
652-MOV-14D271KKTR

Bourns

Varistors 14mm Radial Disc MOV - Kinked Leads, T&R

Learn More

Datasheet

17.499In Stock

Cut Tape

Rp15.411

Rp9.283

Rp5.834

Rp5.119

Reel

Rp4.366

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB

SMF24A-HE3_A08
Vishay Semiconductors
1: Rp9.540
23.680In Stock

Mfr. Part No.
SMF24A-HE3_A08

Mouser Part No
78-SMF24A-HE3A08

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB

Datasheet

23.680In Stock

Cut Tape

Rp9.540

Rp6.017

Rp3.834

Rp3.064

Reel

Rp2.183

View

Min.: 1
Mult.: 1

: 3.000

Automotive Fuses Fuse - Mega 70V (SF51) 2-M8 holes 250A

0998250.UX-2M8
Littelfuse
1: Rp251.707
2.704In Stock

Mfr. Part No.
0998250.UX-2M8

Mouser Part No
576-0998250.UX-2M8

Littelfuse

Automotive Fuses Fuse - Mega 70V (SF51) 2-M8 holes 250A

Learn More

Datasheet

2.704In Stock

Rp251.707

Rp219.602

Rp205.108

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5000V 5KV 1-POLE THROU

B88069X5913S102
TDK
1: Rp134.843
69In Stock
New Product

Mfr. Part No.
B88069X5913S102

Mouser Part No
871-B88069X5913S102

New Product

TDK

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5000V 5KV 1-POLE THROU

Datasheet

69In Stock

Rp134.843

Rp120.350

Rp115.947

Rp90.262

View

Min.: 1
Mult.: 1

Thermal Cut-offs TCO, High Current, SMD, 135C, Self Hold AEC-Q200

SDD5ABB
Bourns
1: Rp47.333
3.814In Stock

Mfr. Part No.
SDD5ABB

Mouser Part No
652-SDD5ABB

Bourns

Thermal Cut-offs TCO, High Current, SMD, 135C, Self Hold AEC-Q200

Datasheet

3.814In Stock

Cut Tape

Rp47.333

Rp42.746

Rp34.490

Rp30.087

View

Reel

Rp18.713

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Circuit Breaker Accessories PDG3 UVR, 380-440VAC, SCREW TERMINAL

PDG3XUV440ACV
Eaton Electrical
1: Rp9.708.887
1In Stock
New Product

Mfr. Part No.
PDG3XUV440ACV

Mouser Part No
504-PDG3XUV440ACV

New Product

Eaton Electrical

Circuit Breaker Accessories PDG3 UVR, 380-440VAC, SCREW TERMINAL

Datasheet

1In Stock

Rp9.708.887

Rp8.042.886

Rp7.413.619

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 600W,33V 5%, SlimSMA BIDIR TVS

SMA6F33CA-M3/H
Vishay Semiconductors
1: Rp12.475
3.280In Stock
New Product

Mfr. Part No.
SMA6F33CA-M3/H

Mouser Part No
78-SMA6F33CA-M3\H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,33V 5%, SlimSMA BIDIR TVS

Datasheet

3.280In Stock

Cut Tape

Rp12.475

Rp7.742

Rp4.953

Rp3.761

Reel

Rp2.880

View

Min.: 1
Mult.: 1

: 3.500

Thermal Cut-offs THERMAL PROTECTOR

RP-1B
Sensata Technologies
1: Rp639.908
500In Stock

Mfr. Part No.
RP-1B

Mouser Part No
682-RP-1B

Sensata Technologies

Thermal Cut-offs THERMAL PROTECTOR

Datasheet

500In Stock

Rp639.908

Min.: 1
Mult.: 1

Circuit Protection

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