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. 
More...

Please view our selection of circuit protection devices below.
Results: 362,154
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS


Littelfuse Fuse Holder Blok 30A 600V 2 Pole Screw Connector 5,487In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 66V 10KA 719In Stock
Min.: 1
Mult.: 1
: 400

KYOCERA AVX Varistors 4VAC 5.6VDC 0.3J 250 0pF 8.5 V 18V 82,391In Stock
23,000On Order
Min.: 1
Mult.: 1
: 1,000

Analog Devices Board Mount Surge Protectors Overvoltage/Overcurrent Prot Cntr 5,367In Stock
Min.: 1
Mult.: 1
: 500

Analog Devices Board Mount Surge Protectors Overvoltage, Undervoltage & Reverse S Pr 20,001In Stock
Min.: 1
Mult.: 1
Max.: 2,500
: 2,500

Analog Devices Board Mount Surge Protectors Hi V Surge Stopper 6,835In Stock
Min.: 1
Mult.: 1
: 500

Analog Devices Board Mount Surge Protectors 100V Overvoltage, Undervoltage & Reverse 7,315In Stock
Min.: 1
Mult.: 1
Max.: 750

YAGEO Varistors 620V 40KA MOV Disc Square 34mm 9,833In Stock
Min.: 1
Mult.: 1

Bourns ESD Protection Diodes / TVS Diodes P6SMB - A 160V 119,948In Stock
Min.: 1
Mult.: 1
: 3,000

Bourns Board Mount Surge Protectors 100mA 850Vimp 24,235In Stock
Min.: 1
Mult.: 1
: 3,000

Bourns ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes 7,509In Stock
Min.: 1
Mult.: 1
: 2,500

Vishay Semiconductors SCRs New Input Thyristor - D2PAK-e3 7,780In Stock
Min.: 1
Mult.: 1
: 800

TDK PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 85C Temperature Sensor 155,118In Stock
Min.: 1
Mult.: 1
: 4,000


Semtech ESD Protection Diodes / TVS Diodes RAILCLAMP0524S 5V SOT 70,925In Stock
Min.: 1
Mult.: 1
: 3,000

Eaton Electrical PDG3XUV440ACV
Eaton Electrical Circuit Breaker Accessories PDG3 UVR, 380-440VAC, SCREW TERMINAL 1In Stock
Min.: 1
Mult.: 1
Vishay Semiconductors SMA6F33CA-M3/H
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,33V 5%, SlimSMA BIDIR TVS 3,400In Stock
Min.: 1
Mult.: 1
: 3,500
Sensata Technologies Thermal Cut-offs THERMAL PROTECTOR 500In Stock
Min.: 1
Mult.: 1
Bourns Thermal Cut-offs TCO, High Current, Axial Lead, 82C, Self Hold AEC-Q200 2,844In Stock
Min.: 1
Mult.: 1

Bourns Thermal Cut-offs TCO, High Current, SMD, 55C, non Self Hold AEC-Q200 3,742In Stock
Min.: 1
Mult.: 1
: 4,000

Eaton Electrical FJHMVD12
Eaton Electrical Circuit Breaker Accessories JG VARI DEPTH KIT - 12" SHAFT /BLACK 3In Stock
Min.: 1
Mult.: 1
Eaton Electrical GBK14CS
Eaton Electrical Circuit Breaker Accessories Clamshell - Ground Bar Kit - 14 Terminal 5In Stock
Min.: 1
Mult.: 1
TDK B88069X7931T702
TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3 ELECT / 1100v 467In Stock
Min.: 1
Mult.: 1
: 700

Bourns Thermal Cut-offs TCO, High Current, Axial Lead, 55C, Self Hold AEC-Q200 2,469In Stock
Min.: 1
Mult.: 1

Bourns Thermal Cut-offs TCO, High Current, SMD, 82C, non Self Hold AEC-Q200 4,997In Stock
Min.: 1
Mult.: 1
: 4,000

Eaton Electrical 373D958G22
Eaton Electrical Circuit Breaker Accessories VARI-DEPTH H&LE MECH 4 SERIES C CB F FRM 1In Stock
Min.: 1
Mult.: 1