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 (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
TDK Varistors 95VAC 10% 20mm StandarD 6.630In Stock
4.500Expected 08/10/2026
Min.: 1
Mult.: 1

TDK Varistors 550VAC 10% 40mm High E 250In Stock
Min.: 1
Mult.: 1

TDK Varistors 10mm, 680Vac, 10%, Compact Series 8.131In Stock
Min.: 1
Mult.: 1

TDK Varistors 14mm, 350Vac, 10%, AdvanceD Compact Series 7.525In Stock
Min.: 1
Mult.: 1

TDK Varistors 0603 4.0V 30A 48.316In Stock
Min.: 1
Mult.: 1
: 4.000

TDK Varistors 20Vrms 80A 28.129In Stock
Min.: 1
Mult.: 1
: 3.000

TDK Varistors 1210 58VDC 2000pF 1000A 5.824In Stock
Min.: 1
Mult.: 1
: 1.500


TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors EM90X 1.850In Stock
Min.: 1
Mult.: 1
: 100

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors A71-H25X 1.633In Stock
Min.: 1
Mult.: 1
: 500

AIRPAX Circuit Breakers Cir Brkr Hyd Mag 25In Stock
Min.: 1
Mult.: 1
AIRPAX Circuit Breakers CIRCUIT BREAKER 34In Stock
Min.: 1
Mult.: 1


Semtech ESD Protection Diodes / TVS Diodes 1-Line Femto Farad RailClamp w/ EOS 14.989In Stock
Min.: 1
Mult.: 1
: 15.000

Schneider Electric Circuit Breakers MAN-START 600VAC 40AMP IEC 6In Stock
Min.: 1
Mult.: 1

HUBER+SUHNER Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Quarter-wave stub technology with integrated high-pass filter 11In Stock
2On Order
Min.: 1
Mult.: 1


E-T-A Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings 141In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ 108In Stock
Min.: 1
Mult.: 1



E-T-A Circuit Breakers 1077, 3P, DM, 480VAC/60VDC, D, 30A 140In Stock
Min.: 1
Mult.: 1



E-T-A Circuit Breakers Single pole miniaturised magnetic circuit breakers with unique high-speed operating mechanism and push/pull on/off manual actuation. Fitted with electrically separate excitation and switching circuits, and one pair of auxiliary contac 168In Stock
Min.: 1
Mult.: 1

Amphenol Advanced Sensors NTC (Negative Temperature Coefficient) Thermistors Chip with solder-coated wires, 10KOhm +/-1% @ 25 C 11.882In Stock
Min.: 1
Mult.: 1
: 4.000
Bel Fuse Surface Mount Fuses 3939 Surface Mt Fuse 3.15A 3.120In Stock
Min.: 1
Mult.: 1
: 2.000

Bel Fuse Fuses with Leads - Through Hole 500mA 350V 8.270In Stock
Min.: 1
Mult.: 1
: 1.000

Bel Fuse Fuses with Leads - Through Hole 15A 350V 8.868In Stock
Min.: 1
Mult.: 1
: 1.000

Bel Fuse Surface Mount Fuses Surface mount "Chip fuse" Silver Plated 0402 case size Fast Blow 315mA Tape and Reel (10000 pcs.) 7.404In Stock
Min.: 1
Mult.: 1
: 10.000

Bel Fuse Surface Mount Fuses 0603 SMD Fuse. Slow Blow 3A 12.690In Stock
Min.: 1
Mult.: 1
: 5.000

Bel Fuse Cartridge Fuses FUSE, CERAMIC TUBE 8A, 600VAC/600VDC 794In Stock
Min.: 1
Mult.: 1