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: 365,613
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Diodes Incorporated ESD Protection Diodes / TVS Diodes TVS UNIDIRECTIONAL 48,883In Stock
Min.: 1
Mult.: 1
: 3,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 5000W 26V Unidirect 1,058In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 3000V 2POLE AXIAL LEAD HV GDT 978In Stock
Min.: 1
Mult.: 1

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 600V 2POLE AXIAL LEADS GDT 988In Stock
Min.: 1
Mult.: 1



Phoenix Contact Industrial Surge Protectors FLT-SEC-P-T1-1S- 350/25-FM 4In Stock
Min.: 1
Mult.: 1

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE 3POLE 75VOLT 1,246In Stock
2,100On Order
Min.: 1
Mult.: 1

Bourns Varistors CHIP GUARD 24VOLT 23,335In Stock
Min.: 1
Mult.: 1
: 10,000

Bourns Thermal Cut-offs TRIP TEMP 77C 5C TOL 3,163In Stock
Min.: 1
Mult.: 1

Bourns Varistors IsoMOV 3KA 300Vrms Bulk In-Line 3,083In Stock
Min.: 1
Mult.: 1

Bourns Varistors IsoMOV 5KA 420Vrms Bulk In-Line 5,075In Stock
Min.: 1
Mult.: 1

Bourns Resettable Fuses - PPTC 6V 3.0A-HD 40A MAX 7,626In Stock
Min.: 1
Mult.: 1
: 6,000

Bourns Resettable Fuses - PPTC PTC RESETTABLE 2.5A 30V RADIAL LEADED 7,904In Stock
Min.: 1
Mult.: 1

Bourns Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX 7,605In Stock
Min.: 1
Mult.: 1
: 3,000

Bourns Resettable Fuses - PPTC PTC 2.0A 16V RADIAL LEADED HI-TEMP 11,414In Stock
12,000On Order
Min.: 1
Mult.: 1
: 3,000

Bourns Resettable Fuses - PPTC PTC 0.12A 250V RADIAL LEADED TELECOM 15,234In Stock
Min.: 1
Mult.: 1
: 6,000

Bourns Resettable Fuses - PPTC 72V 1.6A-HD 40A MAX 12,349In Stock
Min.: 1
Mult.: 1

Bourns Resettable Fuses - PPTC 60V 300MA-HD 10A MAX 56,471In Stock
Min.: 1
Mult.: 1
: 6,000

Bourns Varistors PV 300V 10% 8,779In Stock
Min.: 1
Mult.: 1
: 1,000

Bourns Thermal Cut-offs 77C Low Profile SMD HC TCO 9,544In Stock
Min.: 1
Mult.: 1
: 5,000

Bourns Surface Mount Fuses 0.5A Fast Acting 0402 SinglFuse 14,991In Stock
Min.: 1
Mult.: 1
: 10,000

Bourns Surface Mount Fuses 0.63A Slow Blow 0603 SinglFuse 8,722In Stock
Min.: 1
Mult.: 1
: 5,000

Bourns Thyristor Surge Protection Devices - TSPD Sidacs Very Low Volt Bidirectional 9,422In Stock
Min.: 1
Mult.: 1
: 3,000

Bourns Thyristor Surge Protection Devices - TSPD 58V 600mA 12,637In Stock
14,991On Order
Min.: 1
Mult.: 1
: 3,000

Bourns Thyristor Surge Protection Devices - TSPD BI-DIRECTIONL PRTCTR 120volts 8,401In Stock
Min.: 1
Mult.: 1
: 3,000

Bourns Varistors 22 VDC .4J 44V-CL 315PF 16,161In Stock
Min.: 1
Mult.: 1
: 3,500