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: 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
Bel Fuse Surface Mount Fuses SMD Fuse. Fast Acting, 5A, 500Vdc 1,589In Stock
Min.: 1
Mult.: 1
: 1,000



Weidmuller Circuit Breakers CB4201-10, 15.0A/TS35 96In Stock
Min.: 1
Mult.: 1

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 350V 1,573In Stock
Min.: 1
Mult.: 1
: 1,000

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V 1,965In Stock
Min.: 1
Mult.: 1
: 1,000

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V 1,682In Stock
Min.: 1
Mult.: 1
: 1,000

Littelfuse Industrial & Electrical Fuses 1500 VDC 32A CYL COMPACT FUSE 42In Stock
Min.: 1
Mult.: 1

Vishay / Cera-Mite PTC (Positive Temperature Coefficient) Thermistors 35ohms 10A 410V 30% 551In Stock
Min.: 1
Mult.: 1

Panjit ESD Protection Diodes / TVS Diodes TVS, unidirectional, VRWM 60V, 5KW, SMC 3,100In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse ESD Protection Diodes / TVS Diodes ESD 20V BI 15,142In Stock
Min.: 1
Mult.: 1
: 15,000

Littelfuse ESD Protection Diodes / TVS Diodes ESD 24V BI 12,998In Stock
Min.: 1
Mult.: 1
: 15,000
Littelfuse Triacs 35 Amp Standard High Temperature Alternistor TRIAC-TO263 923In Stock
Min.: 1
Mult.: 1
: 500


Semtech ESD Protection Diodes / TVS Diodes uClamp 1-Line ESD & Surge Protection 14,423In Stock
Min.: 1
Mult.: 1
: 15,000

Vishay ESD Protection Diodes / TVS Diodes 600W,20V 5%, SlimSMA BIDIR TVS 3,027In Stock
Min.: 1
Mult.: 1
: 3,500

Vishay ESD Protection Diodes / TVS Diodes 600W,27V 5%, SlimSMA BIDIR TVS 3,284In Stock
Min.: 1
Mult.: 1
: 3,500

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 2 ELECT / 3000v 766In Stock
Min.: 1
Mult.: 1
: 500

Eaton Electrical Circuit Breakers EG 3P 80A adj therm 18kA CB w/end cap 1In Stock
Min.: 1
Mult.: 1
Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 600W 18V BI SOD-123FL TR13 4,990In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 600W 60V UNI SOD-123FL TR13 4,639In Stock
Min.: 1
Mult.: 1
: 5,000

TE Connectivity / P&B Circuit Breakers W52-A162A1-8=CKTBKR,THERM,ROCK,QC.250RED OPAQUE 250VAC 499In Stock
1,000Expected 14/12/2026
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,11V 5%,UNIDIR,SMA TVS 7,430In Stock
Min.: 1
Mult.: 1
: 7,500
Vishay ESD Protection Diodes / TVS Diodes 600W,24V 5%, SlimSMA BIDIR TVS 3,150In Stock
Min.: 1
Mult.: 1
: 3,500

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 1,367In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 2,823In Stock
Min.: 1
Mult.: 1
: 800



Phoenix Contact Circuit Breakers CAPAROC E2 12-24DC/2-10A 163In Stock
Min.: 1
Mult.: 1

Semtech ESD Protection Diodes / TVS Diodes 3.3V, High Surge TVS for VBus Protection 62,089In Stock
Min.: 1
Mult.: 1
: 15,000