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: 361,793
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 5Kohms 5% 3480K 1% 17,239In Stock
Min.: 1
Mult.: 1
: 4,000

Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 68Kohms 3% 7,931In Stock
8,000On Order
Min.: 1
Mult.: 1
: 4,000

Diodes Incorporated ESD Protection Diodes / TVS Diodes 400W 20V 42,362In Stock
Min.: 1
Mult.: 1
: 5,000

Diodes Incorporated ESD Protection Diodes / TVS Diodes Transient Voltage Suppressor 15,369In Stock
Min.: 1
Mult.: 1
: 5,000

Diodes Incorporated ESD Protection Diodes / TVS Diodes 1500W 110.0V 3,964In Stock
Min.: 1
Mult.: 1
: 3,000

Diodes Incorporated ESD Protection Diodes / TVS Diodes 1500W 18.0V 8,107In Stock
Min.: 1
Mult.: 1
: 3,000

Diodes Incorporated ESD Protection Diodes / TVS Diodes 1500W 7.5V 15,461In Stock
Min.: 1
Mult.: 1
: 3,000

Diodes Incorporated Thyristor Surge Protection Devices - TSPD 30A 190V 5,990In Stock
Min.: 1
Mult.: 1
: 3,000

Diodes Incorporated Thyristor Surge Protection Devices - TSPD 50A 275V 7,613In Stock
Min.: 1
Mult.: 1
: 3,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 5000W 160V Unidirect 1,308In Stock
Min.: 1
Mult.: 1
: 800

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 5000W 22V Unidirect 725In Stock
Min.: 1
Mult.: 1
: 800

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W 130V Unidirect 6,756In Stock
Min.: 1
Mult.: 1
: 4,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W 43V Bidirect 6,965In Stock
Min.: 1
Mult.: 1
: 4,000

Littelfuse Resettable Fuses - PPTC .08A 12VDC 10A 0603 AEC-Q200 9,284In Stock
Min.: 1
Mult.: 1
: 4,000

Littelfuse Resettable Fuses - PPTC 5.8 Ohms 40 A 9 VDC - 40 C+ 85 C 9,682In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 75V 2POLE SMT GDT 1,773In Stock
Min.: 1
Mult.: 1
: 500

Littelfuse Resettable Fuses - PPTC .2A 24V Nano SMD AEC-Q200 7,488In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse Resettable Fuses - PPTC 9V 100A 3.2Ohms 11,104In Stock
4,000On Order
Min.: 1
Mult.: 1
: 4,000

Phoenix Contact Circuit Breakers CB TM1 6A F1 P 33In Stock
Min.: 1
Mult.: 1



Phoenix Contact Industrial Surge Protectors VAL-SEC-T2-3C-350-FM 5In Stock
4On Order
Min.: 1
Mult.: 1
Bourns Varistors Chip Guard 0402 5 Volts 30,328In Stock
Min.: 1
Mult.: 1
: 10,000

Bourns Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/16V 7,836In Stock
Min.: 1
Mult.: 1
: 4,000

Bourns Resettable Fuses - PPTC 6V 1.1A-HD 100A MAX 25,677In Stock
Min.: 1
Mult.: 1
: 3,000

Bourns Resettable Fuses - PPTC PTC RESETTABLE 2.5A 30V RADIAL LEADED 11,530In Stock
Min.: 1
Mult.: 1
: 3,000

Bourns Resettable Fuses - PPTC PTC RESETTABLE 9.0A 30V RADIAL LEADED 7,003In Stock
6,000On Order
Min.: 1
Mult.: 1
: 3,000