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: 359,646
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 600W 12V BI SOD-123FL TR13 3,128In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 600W 13V BI SOD-123FL TR13 6,082In Stock
Min.: 1
Mult.: 1
: 5,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,64V 5%,UNIDIR,SMA TVS 1,435In Stock
Min.: 1
Mult.: 1
: 1,800

Vishay ESD Protection Diodes / TVS Diodes 600W,68V 5%, SlimSMA BIDIR TVS 3,248In Stock
Min.: 1
Mult.: 1
: 3,500

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 ESD Protection Diodes / TVS Diodes ESD 5V SOT23 13,196In Stock
40,000On Order
Min.: 1
Mult.: 1
: 10,000

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.: 293
: 3,000

YAGEO ESD Protection Diodes / TVS Diodes BID Wkg5V 1CH SMD SOD323 Bkdn6V 3,746In Stock
15,000Expected 11/6/2026
Min.: 1
Mult.: 1
: 3,000

Vishay ESD Protection Diodes / TVS Diodes 600W,30V 5%, SlimSMA BIDIR TVS 2,310In Stock
Min.: 1
Mult.: 1
: 3,500

Vishay ESD Protection Diodes / TVS Diodes 600W,20V 5%, SlimSMA BIDIR TVS 3,007In 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

Vishay Semiconductors ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT23 14,589In Stock
15,000On Order
Min.: 1
Mult.: 1
: 3,000

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

Littelfuse ESD Protection Diodes / TVS Diodes 5.0SMDJ - CA 440V 4,122In Stock
3,000Expected 12/30/2026
Min.: 1
Mult.: 1
: 3,000

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

Vishay / Cera-Mite PTC Thermistors 35ohms 10A 410V 30% 549In Stock
Min.: 1
Mult.: 1

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 8,978In 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