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: 359,634
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
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

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

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 1077, 3P, DM, 480VAC/60VDC, D, 30A 146In 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


Microchip Technology ESD Protection Diodes / TVS Diodes TVS array 1 line Bi-dir, 500W (8/20us), Stand-off voltage = 12V 1,776In Stock
Min.: 1
Mult.: 1
: 3,000

Amphenol Advanced Sensors NTC (Negative Temperature Coefficient) Thermistors Chip with solder-coated wires, 10KOhm +/-1% @ 25 C 12,382In 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 8,570In 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 Cartridge Fuses FUSE, CERAMIC TUBE 8A, 600VAC/600VDC 804In Stock
Min.: 1
Mult.: 1

Bel Fuse Fuses with Leads - Through Hole FUSE, CERAMIC TUBE 0.6A, 600VAC/600VDC 967In Stock
Min.: 1
Mult.: 1

Bel Fuse Fuses with Leads - Through Hole FUSE, CERAMIC TUBE 4A, 600VAC/600VDC 1,306In Stock
Min.: 1
Mult.: 1

Bel Fuse Resettable Fuses - PPTC 0603 SMT PPTC 0.16 Ih 9V 18,833In Stock
Min.: 1
Mult.: 1
: 4,000

Littelfuse Cartridge Fuses 250V 4A 3.6X10 FA PT PB-FREE 1,214In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 1A 3.6X10 FA PT PB-FREE 1,981In Stock
Min.: 1
Mult.: 1
: 1,000

Littelfuse Industrial & Electrical Fuses 1000VDC 1AMP Midget 156In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 585In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi-Power Diode Axial 175In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100K OHM 0.5C MELF 5,274In Stock
Min.: 1
Mult.: 1

Littelfuse Triacs 400V 6A 25-25-25mA 1,472In Stock
Min.: 1
Mult.: 1

Littelfuse Triacs 600V 12A 50-50-50 mA 1,477In Stock
Min.: 1
Mult.: 1