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 (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Vishay Semiconductors SMA6F33CA-M3/H
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,33V 5%, SlimSMA BIDIR TVS 3,400In Stock
Min.: 1
Mult.: 1
: 3,500
STMicroelectronics ESD Protection Diodes / TVS Diodes Automotive 5000 W, 33 V TVS 2,364In Stock
Min.: 1
Mult.: 1
: 2,500


Littelfuse ESD Protection Diodes / TVS Diodes 24V 30kV SOT23-3L Diode Array AEC-Q101 10,785In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS 2,929In Stock
Min.: 1
Mult.: 1
: 3,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes Low-profile version 600 W uni-directional TVS in DFN3820A package with Automotive grade 27,482In Stock
Min.: 1
Mult.: 1
: 14,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes Low-profile version 600 W uni-directional TVS in DFN3820A package with Automotive grade 27,735In Stock
Min.: 1
Mult.: 1
: 14,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes Low-profile version 600 W uni-directional TVS in DFN3820A package with Automotive grade 27,425In Stock
Min.: 1
Mult.: 1
: 14,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes Low-profile version 600 W uni-directional TVS in DFN3820A package with Automotive grade 19,805In Stock
Min.: 1
Mult.: 1
: 14,000

Bourns NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 2.5ohm Y kink bulk 10,231In Stock
Min.: 1
Mult.: 1

Bourns NTC (Negative Temperature Coefficient) Thermistors 20 dia Power NTC 5ohm Y kink bulk 5,880In Stock
Min.: 1
Mult.: 1

Bourns Automotive Fuses POWrFuse BD 275Vac 500Vdc 50A 158In Stock
Min.: 1
Mult.: 1

Citel Industrial Surge Protectors 1-Pair Surface Mount Signal Line Surge Protective Device (SPD), Indoor, 24V, screw terminals 42In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes T4F - A 12V 35,712In Stock
Min.: 1
Mult.: 1
: 3,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes T4F - A 33V 34,954In Stock
Min.: 1
Mult.: 1
: 3,000

TDK B88069X5913S102
TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5000V 5KV 1-POLE THROU 69In Stock
Min.: 1
Mult.: 1

Eaton Electrical PDG6X4AC
Eaton Electrical Circuit Breaker Accessories PDG6 AUXILIARY SWITCHES, 4 FORM C 1In Stock
Min.: 1
Mult.: 1
STMicroelectronics ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V tp 70V BI 47,368In Stock
Min.: 1
Mult.: 1
: 2,500

Littelfuse Surface Mount Fuses 250VAC 1.25A .122ohms 476 NANO2 19,040In Stock
Min.: 1
Mult.: 1
: 1,000

Littelfuse Cartridge Fuses 50A 500V NORMAL BLOW 3,280In Stock
Min.: 1
Mult.: 1

Littelfuse Automotive Fuses 58V 60A LP Jcase 10,843In Stock
Min.: 1
Mult.: 1



Littelfuse Fuse Holder Blok 30A 600V 2 Pole Screw Connector 5,487In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 66V 10KA 719In Stock
Min.: 1
Mult.: 1
: 400

KYOCERA AVX Varistors 4VAC 5.6VDC 0.3J 250 0pF 8.5 V 18V 82,391In Stock
23,000On Order
Min.: 1
Mult.: 1
: 1,000

Analog Devices Board Mount Surge Protectors Overvoltage/Overcurrent Prot Cntr 5,367In Stock
Min.: 1
Mult.: 1
: 500

Analog Devices Board Mount Surge Protectors Overvoltage, Undervoltage & Reverse S Pr 19,986In Stock
Min.: 1
Mult.: 1
Max.: 2,500
: 2,500