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: 359,631
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Bourns Industrial & Electrical Fuses POWrFuse BD 1000Vdc 550A 4In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 18 V, 0.6 pF, 10 kV 2,658In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ85CA CR T&R 2,312In Stock
Min.: 1
Mult.: 1
: 3,000
YAGEO Varistors MOV 510V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200 2,630In Stock
400On Order
Min.: 1
Mult.: 1

Shibaura Electronics NTC Thermistors Assembly Probe EP1 Type R0=30kOhms 3% Temp. Range -30 to 120 100In Stock
Min.: 1
Mult.: 1

Shibaura Electronics NTC Thermistors Assembly Probe EPW1 Type R50=3.485kOhms 2% Temp. Range -20 to 120 100In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors SFP2-1S-1-10A-120AC-UT 1In Stock
9On Order
Min.: 1
Mult.: 1

Bourns ESD Protection Diodes / TVS Diodes ESD 5V BI SOD323 2,081In Stock
Min.: 1
Mult.: 1
: 3,000

Bourns ESD Protection Diodes / TVS Diodes TVS 7V/12V AEC-Q101 726In Stock
24,000On Order
Min.: 1
Mult.: 1
: 3,000

Littelfuse Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 450A 3In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L 3,100In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse SCRs 8A 800V Std TO-251 V-PAK 750In Stock
Min.: 1
Mult.: 1

Shibaura Electronics NTC Thermistors Assembly Probe MP1 Type R(100) =3.3kOhms +/-5% Temp. Range -30 to 200 99In Stock
Min.: 1
Mult.: 1

Shibaura Electronics NTC Thermistors Assembly Probe OCK1 Type R200=1.0kOhms 5% Temp. Range -20 to 300 100In Stock
Min.: 1
Mult.: 1

Shibaura Electronics NTC Thermistors Assembly Probe KN2 Type R100=3.3kOhms 2.5% Temp. Range -20 to 300 99In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors SFP2-1S-1-5A-120AC-UT 5In Stock
Min.: 1
Mult.: 1

Bourns ESD Protection Diodes / TVS Diodes ESD 3.3V BI 8,400In Stock
Min.: 1
Mult.: 1
: 12,000

Bourns ESD Protection Diodes / TVS Diodes ESD 5V UNI 8,393In Stock
Min.: 1
Mult.: 1
: 12,000

Bourns Industrial & Electrical Fuses POWrFuse BD 1000Vdc 600A 4In Stock
Min.: 1
Mult.: 1

TE Connectivity NTC Thermistors Glass Encapsulated NTC Thermistor, Probe, Surface Mount 15K4 1In Stock
Min.: 1
Mult.: 1

Shibaura Electronics NTC Thermistors Assembly Probe KT1 Type R25=10kOhms 5% Temp. Range -30 to 80 100In Stock
Min.: 1
Mult.: 1

Shibaura Electronics NTC Thermistors Assembly Probe KTM1 Type R25=10kOhms 2% Temp. Range -30 to 100 90In Stock
Min.: 1
Mult.: 1

Shibaura Electronics NTC Thermistors Assembly Probe CE1 Type R25=10kOhms 3% Temp. Range -30 to 80 100In Stock
Min.: 1
Mult.: 1

Bourns ESD Protection Diodes / TVS Diodes SOD323 03V 400W BIDIR 1,938In Stock
Min.: 1
Mult.: 1
: 3,000

Bourns ESD Protection Diodes / TVS Diodes SOD323 36V 400W BIDIR 2,099In Stock
Min.: 1
Mult.: 1
: 3,000