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: 359,624
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
TDK Varistors MLV, 040, 4V, StandardClamp Variant 10,000In Stock
Min.: 1
Mult.: 1
: 10,000

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

Bel Fuse Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 40mA 872In Stock
Min.: 1
Mult.: 1
: 500

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 11,948In Stock
Min.: 1
Mult.: 1
: 15,000
Littelfuse Triacs 35 Amp Standard High Temperature Alternistor TRIAC-TO263 923In Stock
Min.: 1
Mult.: 1
: 500

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1300 V 1,828In Stock
Min.: 1
Mult.: 1
: 1,000

Bel Fuse Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 250mA 450In Stock
Min.: 1
Mult.: 1
: 500

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 15,313In Stock
Min.: 1
Mult.: 1
: 15,000

Amphenol Advanced Sensors NTC (Negative Temperature Coefficient) Thermistors Insulated chip & leads, 5KOhm +/-1% @ 25 C 14,231In Stock
Min.: 1
Mult.: 1

Littelfuse Industrial & Electrical Fuses 4A 1500VDC Solar 50kA Photovoltaic 676In Stock
Min.: 1
Mult.: 1

TDK Varistors 1210 30Vrms 300A 49,645In Stock
Min.: 1
Mult.: 1
: 2,000

Semtech ESD Protection Diodes / TVS Diodes RailClamp 8-Line 5V 0.6pF 5A SLP2611N9T 31,472In Stock
Min.: 1
Mult.: 1
: 10,000

Semtech ESD Protection Diodes / TVS Diodes LOW CAP TVS & TELCOM INTERFACE 11,000In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 600W 10V UNI SOD-123FL TR13 5,000In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 600W 12V BI SOD-123FL TR13 3,113In Stock
Min.: 1
Mult.: 1
: 5,000

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

Vishay ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323 12,983In Stock
Min.: 1
Mult.: 1
: 3,000

Vishay ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOD323 2,294In Stock
45,000Expected 2028/02/11
Min.: 1
Mult.: 1
: 3,000

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 11,075In 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 399In Stock
Min.: 1
Mult.: 1