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 (CHF) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 1’499In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 1’120In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse Triacs 400V 10A 50-50-50mA 11’076In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors PT-IQ-5-HF-12DC-PT 55In Stock
Min.: 1
Mult.: 1

Phoenix Contact Circuit Breakers CBMC E4 24DC/1-10ANO 400In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors SCRs New Input Thyristor - D2PAK-e3 7’244In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse Triacs 16 Amp Standard High Temperature Alternistor TRIAC-TO263 693In Stock
Min.: 1
Mult.: 1
: 500

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2000 V 1’615In Stock
Min.: 1
Mult.: 1
: 1’000


Semtech ESD Protection Diodes / TVS Diodes UCLAMP, 1-LINE 3.6V TVS 16’313In Stock
Min.: 1
Mult.: 1
: 15’000

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

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

Bourns Varistors 20mm Radial Disc MOV - Kinked Leads, Bulk 3’224In Stock
Min.: 1
Mult.: 1

Bourns Varistors 20mm Radial Disc MOV - Kinked Leads, T&R 3’974In Stock
Min.: 1
Mult.: 1
: 250

Littelfuse ESD Protection Diodes / TVS Diodes TVS 30KW 5%BI P600 39V TR13 1’172In Stock
Min.: 1
Mult.: 1
: 800



Littelfuse Industrial & Electrical Fuses 2A 600VAC 300VDC Fast Acting 1’198In Stock
Min.: 1
Mult.: 1



Phoenix Contact Circuit Breakers CBM E4 24DC/0.5-10A NO-R 134In Stock
Min.: 1
Mult.: 1

TDK Varistors 460VAC 10% 4032mm 50’004In Stock
Min.: 1
Mult.: 1



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

Panjit ESD Protection Diodes / TVS Diodes Ultra Low Capacitance ESD Protection 5V 34’620In Stock
Min.: 1
Mult.: 1
: 10’000

IXYS SCR Modules Bipolar Module - Thyristor ComPack 74In Stock
3Expected 10/6/2026
Min.: 1
Mult.: 1

Littelfuse Industrial & Electrical Fuses 4A 600VAC 600VDC Midget 1’235In Stock
Min.: 1
Mult.: 1