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: 365,944
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse Industrial & Electrical Fuses 5A 600VAC 250VDC Time-Delay 844In Stock
Min.: 1
Mult.: 1

Littelfuse Industrial & Electrical Fuses 2A 600VAC 300VDC Fast Acting 1,344In Stock
Min.: 1
Mult.: 1


Littelfuse ESD Protection Diodes / TVS Diodes 2 Channel SMT array SC70 75,671In Stock
Min.: 1
Mult.: 1
: 3,000

Analog Devices Board Mount Surge Protectors Overvoltage/Overcurrent Prot Cntr 5,549In Stock
Min.: 1
Mult.: 1
: 500

Analog Devices Board Mount Surge Protectors Overvoltage, Undervoltage & Reverse S Pr 20,299In Stock
Min.: 1
Mult.: 1
: 2,500

Analog Devices Board Mount Surge Protectors Hi V Surge Stopper 7,596In Stock
Min.: 1
Mult.: 1
: 500

Analog Devices Board Mount Surge Protectors 100V Overvoltage, Undervoltage & Reverse 7,490In Stock
Min.: 1
Mult.: 1



Phoenix Contact Circuit Breakers CBM E4 24DC/0.5-10A NO-R 160In Stock
Min.: 1
Mult.: 1

TDK Varistors 460VAC 10% 4032mm 53,926In Stock
Min.: 1
Mult.: 1

Bourns Thermal Cut-offs TCO, High Current, SMD, 72C, Self Hold AEC-Q200 2,657In Stock
Min.: 1
Mult.: 1
: 4,000

AIRPAX Thermal Cut-offs THERMAL PROTECTOR 525In Stock
437On Order
Min.: 1
Mult.: 1
Diodes Incorporated SMA6J15AQ-13
Diodes Incorporated ESD Protection Diodes / TVS Diodes Transient Voltage Suppressor PP SMA T&R 5K 4,979In Stock
Min.: 1
Mult.: 1
: 5,000

Eaton PC2672-1R
Eaton Power Outlet Strips EATON REPO PDU, 3U, IEC 532P6W 1In Stock
Min.: 1
Mult.: 1
Microtherm Sentronic PTC (Positive Temperature Coefficient) Thermistors PTC Temperature Sensor (Triple), Switch-off temp 155C, DIN 40081/40082 standard 583In Stock
Min.: 1
Mult.: 1



E-T-A Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot 8In Stock
Min.: 1
Mult.: 1
Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 10Kohms 3% 3984K/0.5% 40mm 324In Stock
Min.: 1
Mult.: 1

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2700 V 305In Stock
Min.: 1
Mult.: 1

Bourns Resettable Fuses - PPTC 1206 Resettable SMD PPTC 1.5A/6V 5,735In Stock
Min.: 1
Mult.: 1
: 3,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,18V 5%,BIDIR,SMA TVS 6,880In Stock
7,000On Order
Min.: 1
Mult.: 1
: 7,500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,6.8V 5%,BIDIR,SMB TVS 2,634In Stock
Min.: 1
Mult.: 1
: 3,200

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,110V 5%,BIDIR,SMB TVS 5,907In Stock
Min.: 1
Mult.: 1
: 750

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,60V 5%,UNIDIR,SMB TVS 3,060In Stock
Min.: 1
Mult.: 1
: 3,200

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 1.5KW,43V 5%,SMB PAR 3,920In Stock
Min.: 1
Mult.: 1
: 750

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 1.5KW,47V 5%,SMB PAR 3,850In Stock
Min.: 1
Mult.: 1
: 750

STMicroelectronics ESD Protection Diodes / TVS Diodes 3000 W, 64 V TVS 3,962In Stock
Min.: 1
Mult.: 1
: 2,500