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: 359,642
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS

TDK Varistors 150VAC 10% 3225mm 4,074In Stock
Min.: 1
Mult.: 1

TDK Varistors 230VAC 10% 4032mm 6,406In Stock
Min.: 1
Mult.: 1



TDK Varistors 275VAC 10% 4032mm 2,645In Stock
Min.: 1
Mult.: 1

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors T30-A500X 2,124In Stock
Min.: 1
Mult.: 1

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors A71-H10X 7,069In Stock
Min.: 1
Mult.: 1
: 200

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors T23-A420XF4 885In Stock
Min.: 1
Mult.: 1

AIRPAX Circuit Breakers Cir Brkr Hyd Mag 13In Stock
Min.: 1
Mult.: 1
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 48In Stock
Min.: 1
Mult.: 1
Bel Fuse Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 200mA 479In Stock
Min.: 1
Mult.: 1
: 500

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 200V 1,935In Stock
Min.: 1
Mult.: 1
: 1,000

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 400V 923In Stock
Min.: 1
Mult.: 1
: 1,000

TDK ESD Protection Diodes / TVS Diodes 20VDC 12kV 5.3pF 20nAa.20V 15,794In Stock
Min.: 1
Mult.: 1
: 20,000

Semtech ESD Protection Diodes / TVS Diodes 1-Line 11V 33.0A TVS DO-214AA(SMB) 4,550In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse Triacs 35 Amp Standard High Temperature Alternistor TRIAC-TO220 Iso 935In Stock
Min.: 1
Mult.: 1

Littelfuse Triacs 12 Amp High Temperature High dvdt TRIAC-TO220 Ins 995In Stock
Min.: 1
Mult.: 1

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE 2POLE 90VOLT 974In Stock
Min.: 1
Mult.: 1

Bourns Circuit Protection Kits Design Kit Next-Generation GDT25 66In Stock
Min.: 1
Mult.: 1

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 3300 V 1,337In Stock
Min.: 1
Mult.: 1
: 1,000

TDK ESD Protection Diodes / TVS Diodes 5.5VDC 15kV 7Aa.8/20us 0.45pF 1nAa.5.5V 19,970In Stock
Min.: 1
Mult.: 1
: 20,000



Weidmuller Circuit Breakers CB4201-10, 1.5A/TS35 13In Stock
Min.: 1
Mult.: 1
Texas Instruments ESD Protection Diodes / TVS Diodes Automotive 1.6-pF +/ -24-V +/-22-kV ES 13,658In Stock
Min.: 1
Mult.: 1
: 8,000



Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT35 Design Kit 42In Stock
Min.: 1
Mult.: 1

Semtech ESD Protection Diodes / TVS Diodes 1-Line 5V 0.50pF 1.3R ESD SLP1006P2 5,626In Stock
Min.: 1
Mult.: 1
: 3,000

Schurter Surface Mount Fuses UST 1206 SMD Fuse, Time-Lag T, 32 VAC, 63 VDC, 30A 5,000In Stock
5,000Expected 14/9/2026
Min.: 1
Mult.: 1
: 5,000

E-T-A Circuit Breakers Miniaturised double pole thermal circuit breaker with push-to-reset tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934). Threadneck panel mounting. Suitable for line and neutral switching - the thermal actuator op 65In Stock
Min.: 1
Mult.: 1