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: 361,781
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 SCRs 1000V 25A 4,979In Stock
Min.: 1
Mult.: 1


Littelfuse ESD Protection Diodes / TVS Diodes 14 CH DIODE ARRAY 2,617In Stock
1,000On Order
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 11V 5kW UNI-DIR TP5KP AEC-Q101 1,387In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse ESD Protection Diodes / TVS Diodes 24V 5kW UNI-DIR TP5KP AEC-Q101 1,645In Stock
800On Order
Min.: 1
Mult.: 1
: 800

KYOCERA AVX Varistors 6.4VAC 9VDC 0.05J 17 5pF 12.7 V 22V 16,396In Stock
Min.: 1
Mult.: 1
: 10,000

KYOCERA AVX Varistors 13 VAC 18VDC 0.05J 6 5pF 25.5 V 42V 16,668In Stock
20,000On Order
Min.: 1
Mult.: 1
: 10,000

Analog Devices Board Mount Surge Protectors Overvoltage/Overcurrent Prot Cntr 1,698In Stock
Min.: 1
Mult.: 1
: 500

Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 470ohms 5% Radial 14,290In Stock
Min.: 1
Mult.: 1

Vishay / BC Components Varistors 0805 4volts 40A 7.1V to 9.3V 13,990In Stock
Min.: 1
Mult.: 1
: 4,000

Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 4.7Kohm 1% 3435K 1% Silver Term 4,822In Stock
Min.: 1
Mult.: 1
: 2,000

Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 10Kohms 2% 24,291In Stock
Min.: 1
Mult.: 1

Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 122Kohms 1% 4,005In Stock
Min.: 1
Mult.: 1
: 4,000

Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 68Kohms 3% SMD 8,624In Stock
Min.: 1
Mult.: 1
: 4,000

Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 100Kohms 1% 11,428In Stock
Min.: 1
Mult.: 1
: 4,000

Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 4.7Kohms 2% SMD 6,285In Stock
Min.: 1
Mult.: 1
: 4,000

Texas Instruments ESD Protection Diodes / TVS Diodes 22-V bidirectional f lat-clamp surge pro 7,117In Stock
Min.: 1
Mult.: 1
: 3,000

Diodes Incorporated ESD Protection Diodes / TVS Diodes 1800W 28V Single Uni-Directional 5,299In Stock
Min.: 1
Mult.: 1
: 5,000

Diodes Incorporated ESD Protection Diodes / TVS Diodes 600W 9.0V 28,570In Stock
Min.: 1
Mult.: 1
: 3,000

Diodes Incorporated ESD Protection Diodes / TVS Diodes 1500W 7.5V 2,646In Stock
Min.: 1
Mult.: 1
: 3,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 500W 36V Unidirect 6,124In Stock
4,000On Order
Min.: 1
Mult.: 1
: 4,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 988In Stock
Min.: 1
Mult.: 1

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 90V2POLE SMT GDT 3,661In Stock
Min.: 1
Mult.: 1

Littelfuse Resettable Fuses - PPTC 1.5A 12V 100A Imax 50,653In Stock
Min.: 1
Mult.: 1
: 2,000

Littelfuse Resettable Fuses - PPTC SMDC030F-2 6,145In Stock
Min.: 1
Mult.: 1
: 4,000

Phoenix Contact Industrial Surge Protectors CT 10-18FS+F/PE-24 3In Stock
Min.: 1
Mult.: 1