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: 359,646
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse Fuse Holder Accessories FBDIN1
15Expected 9/14/2026
Min.: 1
Mult.: 1



Phoenix Contact Circuit Breakers CBMC E4 24DC/1-4A+ IOL 85In Stock
Min.: 1
Mult.: 1

TDK NTC Thermistors 10k 3988 3% 7,516In Stock
Min.: 1
Mult.: 1

Littelfuse Automotive Fuses 500AMP 48VDC 125VAC 1,117In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 1,499In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 1,120In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse Triacs 400V 10A 50-50-50mA 11,102In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors PT-IQ-5-HF-12DC-PT 55In Stock
Min.: 1
Mult.: 1

Phoenix Contact Circuit Breakers CBMC E4 24DC/1-10ANO 400In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors SCRs New Input Thyristor - D2PAK-e3 7,244In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse Industrial & Electrical Fuses 4A 600VAC 600VDC Midget 1,235In Stock
Min.: 1
Mult.: 1

Texas Instruments ESD Protection Diodes / TVS Diodes Low-Cap 3Ch ESD Prot ection Array 82,591In Stock
Min.: 1
Mult.: 1
: 5,000


Semtech ESD Protection Diodes / TVS Diodes 300W TVS2 12V 7"RL LEAD-FREE 63,995In Stock
Min.: 1
Mult.: 1
: 3,000

Amphenol Advanced Sensors NTC 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 TVS 30KW 5%BI P600 39V TR13 1,172In Stock
Min.: 1
Mult.: 1
: 800



Littelfuse Industrial & Electrical Fuses 2A 600VAC 300VDC Fast Acting 1,198In Stock
Min.: 1
Mult.: 1



Phoenix Contact Circuit Breakers CBM E4 24DC/0.5-10A NO-R 134In Stock
Min.: 1
Mult.: 1

TDK Varistors 460VAC 10% 4032mm 50,004In Stock
Min.: 1
Mult.: 1

Tripp Lite Power Outlet Strips Protect It! 2-Outlet Travel-Size Surge Protector - 5-15R Outlets 17In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 1,367In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 2,823In Stock
Min.: 1
Mult.: 1
: 800

Semtech ESD Protection Diodes / TVS Diodes 3.3V, High Surge TVS for VBus Protection 62,089In Stock
Min.: 1
Mult.: 1
: 15,000