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: 359,447
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Murata Electronics NTC Thermistors 9,965In Stock
Min.: 1
Mult.: 1
Murata Electronics NTC Thermistors 9,300In Stock
Min.: 1
Mult.: 1


L-Com Circuit Breaker Accessories MPR SURGE SUPPRESSOR 5In Stock
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,16V 5%,BIDIR,SMA TVS 7,180In Stock
Min.: 1
Mult.: 1
: 7,500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,33V 5%,UNIDIR,SMB TVS 2,823In Stock
Min.: 1
Mult.: 1
: 3,200
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,16V 5%,UNIDIR,SMB TVS 7,339In Stock
Min.: 1
Mult.: 1
: 750

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,24V 5%,UNIDIR,SMB TVS 8,170In Stock
Min.: 1
Mult.: 1
: 750

TDK NTC Thermistors NTC,10K,1%,0402,125C,AEC-Q200,ECO 25,973In Stock
Min.: 1
Mult.: 1
: 10,000

AIRPAX Circuit Breakers 2In Stock
Min.: 1
Mult.: 1
Schneider Electric Circuit Breakers MotBreak GV4PE Therm/Mag 115A 50kA Elink 1In Stock
Min.: 1
Mult.: 1
HUBER+SUHNER Connectorized Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Quarter-wave stub technology with integrated high-pass filter 14In Stock
Min.: 1
Mult.: 1
E-T-A Circuit Breakers Single pole switch/thermal circuit breaker (S-type TO CBE to EN 60934) with tease-free, trip-free, snap action mechanism. Designed for snap-in panel mounting utilising round hole or industry standard fuse-holder cut-out dimensions. Fe 93In Stock
Min.: 1
Mult.: 1

KYOCERA AVX Surface Mount Fuses .028A 7.5mOhm Green LGA Miniature 0402 10,254In Stock
60,000On Order
Min.: 1
Mult.: 1
: 5,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W 350V Bidirect 3,645In Stock
Min.: 1
Mult.: 1
: 4,000

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors T61-C600X 559In Stock
Min.: 1
Mult.: 1

ABB Circuit Breakers XT4N 250 EKIPLS/I IN=150A3PFFUL/CSA 3In Stock
Min.: 1
Mult.: 1
Siemens Circuit Breakers BRKR 3VA53 3P 350A 35KA FTAM 1In Stock
Min.: 1
Mult.: 1
Tripp Lite Industrial Surge Protectors TLP410UCUFOAM 2In Stock
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 1.5KW,51V 5%,UNIDIR,SMC TVS 3,481In Stock
Min.: 1
Mult.: 1
: 3,500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,15V 5%,UNIDIR,SMA TVS 1,755In Stock
7,200Expected 10/19/2026
Min.: 1
Mult.: 1
: 1,800

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 1.5KW,18V 5%,UNIDIR,SMC TVS 3,272In Stock
Min.: 1
Mult.: 1
: 850

Murata Electronics NTC Thermistors 9,775In Stock
Min.: 1
Mult.: 1
Siemens Industrial & Electrical Fuses FUSE BASE, LV HRC, 160A, 660V,1-POLE 3In Stock
Min.: 1
Mult.: 1
Schneider Electric Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 25A 1In Stock
Min.: 1
Mult.: 1


Littelfuse Fuse Holder Accessories Cover, 1 Position BMZS 56In Stock
Min.: 1
Mult.: 1