Circuit Protection

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.
Results: 362,143
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Amphenol Advanced Sensors NTC (Negative Temperature Coefficient) Thermistors Insulated chip & leads, 5KOhm +/-1% @ 25 C 14,231In Stock
Min.: 1
Mult.: 1

Littelfuse Industrial & Electrical Fuses 4A 1500VDC Solar 50kA Photovoltaic 676In Stock
Min.: 1
Mult.: 1

Semtech ESD Protection Diodes / TVS Diodes RailClamp 8-Line 5V 0.6pF 5A SLP2611N9T 31,476In Stock
Min.: 1
Mult.: 1
: 10,000

Semtech ESD Protection Diodes / TVS Diodes LOW CAP TVS & TELCOM INTERFACE 11,000In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 600W 12V BI SOD-123FL TR13 4,138In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 600W 13V BI SOD-123FL TR13 6,082In Stock
Min.: 1
Mult.: 1
: 5,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,64V 5%,UNIDIR,SMA TVS 1,435In Stock
Min.: 1
Mult.: 1
: 1,800

Vishay ESD Protection Diodes / TVS Diodes 600W,68V 5%, SlimSMA BIDIR TVS 3,248In Stock
Min.: 1
Mult.: 1
: 3,500

Littelfuse ESD Protection Diodes / TVS Diodes 5.0SMDJ - CA 250V 1,783In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 5000W 28V Bi DO-214AB TR13 3,918In Stock
Min.: 1
Mult.: 1
: 2,500

Bourns Industrial Surge Protectors DATA and SIGNAL SPD,2L,110V,Circuit 6 108In Stock
Min.: 1
Mult.: 1

STMicroelectronics ESD Protection Diodes / TVS Diodes Automotive 5000 W, 33 V TVS 2,364In Stock
Min.: 1
Mult.: 1
: 2,500

Littelfuse ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS 2,929In Stock
Min.: 1
Mult.: 1
: 3,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes Low-profile version 600 W uni-directional TVS in DFN3820A package with Automotive grade 27,482In Stock
Min.: 1
Mult.: 1
: 14,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes Low-profile version 600 W uni-directional TVS in DFN3820A package with Automotive grade 27,735In Stock
Min.: 1
Mult.: 1
: 14,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes Low-profile version 600 W uni-directional TVS in DFN3820A package with Automotive grade 27,425In Stock
Min.: 1
Mult.: 1
: 14,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes Low-profile version 600 W uni-directional TVS in DFN3820A package with Automotive grade 20,805In Stock
Min.: 1
Mult.: 1
: 14,000

Bourns NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 2.5ohm Y kink bulk 10,231In Stock
Min.: 1
Mult.: 1

Bourns NTC (Negative Temperature Coefficient) Thermistors 20 dia Power NTC 5ohm Y kink bulk 5,880In Stock
Min.: 1
Mult.: 1

Bourns Automotive Fuses POWrFuse BD 275Vac 500Vdc 50A 158In Stock
Min.: 1
Mult.: 1

Citel Industrial Surge Protectors 1-Pair Surface Mount Signal Line Surge Protective Device (SPD), Indoor, 24V, screw terminals 42In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes T4F - A 12V 35,712In Stock
Min.: 1
Mult.: 1
: 3,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes T4F - A 33V 34,954In Stock
Min.: 1
Mult.: 1
: 3,000



Littelfuse Fuse Holder 7 Stud Full Assembly with M8 Input 22In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 5000W 20V Bi DO-214AB TR13 7,370In Stock
Min.: 1
Mult.: 1
: 2,500