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: 362 063
Select Image Part # Mfr. Description Datasheet Availability Pricing (CRC) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Semtech ESD Protection Diodes / TVS Diodes 3.3V, High Surge TVS for VBus Protection 62 089In Stock
Min.: 1
Mult.: 1
: 15 000

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

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 600W 58V UNI SOD-123FL TR13 4 000In Stock
Min.: 1
Mult.: 1
: 5 000

Toshiba ESD Protection Diodes / TVS Diodes SOD-962 VRMW 15V 1uA TVS Diodes 9 260In Stock
Min.: 1
Mult.: 1
: 10 000
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 300W,530V MIN,UNIDIR,SMA TVS 743In Stock
Min.: 1
Mult.: 1
: 1 800

Vishay Semiconductors ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT23 13 990In Stock
30 000On Order
Min.: 1
Mult.: 1
: 3 000

Vishay ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOD323 8 598In Stock
Min.: 1
Mult.: 1
: 3 000

onsemi ESD Protection Diodes / TVS Diodes Transient Voltage Suppressor, Common Anode, SC-59 2 928In Stock
Min.: 1
Mult.: 1
Max.: 300
: 3 000

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

YAGEO Resettable Fuses - PPTC 0805 16V 0.05A 0.6W SMD AEC-Q200 High Temp 9 438In Stock
20 000Expected 1/26/2027
Min.: 1
Mult.: 1
: 4 000

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

Nexperia ESD Protection Diodes / TVS Diodes PESD36VS1UL-Q/SOD882/DFN1006-2 9 997In Stock
Min.: 1
Mult.: 1
: 10 000

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 441In Stock
Min.: 1
Mult.: 1
: 800



Phoenix Contact Circuit Breakers CBMC E4 24DC/1-4A+ IOL 85In Stock
Min.: 1
Mult.: 1

TDK NTC Thermistors 10k 3988 3% 7 516In Stock
Min.: 1
Mult.: 1

Bel Fuse Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 50mA 874In Stock
Min.: 1
Mult.: 1
: 500

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V, REEL 2 812In Stock
Min.: 1
Mult.: 1
: 1 500

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2700 V 1 909In Stock
Min.: 1
Mult.: 1
: 1 000

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

Vishay ESD Protection Diodes / TVS Diodes 600W,20V 5%, SlimSMA BIDIR TVS 3 007In Stock
Min.: 1
Mult.: 1
: 3 500