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 Surface Mount Fuses 5A 32V FAST ACTING 12,823In Stock
Min.: 1
Mult.: 1
: 5,000

Bourns Surface Mount Fuses 0603 time-lag met-foil. 7A Auto 8,608In Stock
Min.: 1
Mult.: 1
: 5,000

Bourns Surface Mount Fuses 1.25A 63V TIME DELAY 16,005In Stock
Min.: 1
Mult.: 1
: 5,000

Bourns Thyristor Surge Protection Devices - TSPD 65V 5,169In Stock
Min.: 1
Mult.: 1
: 3,000

Bourns Thyristor Surge Protection Devices - TSPD 65V 600mA 7,832In Stock
Min.: 1
Mult.: 1
: 3,000

Vishay / Dale PTC Thermistors 120ohms 1% Linear 3,237In Stock
Min.: 1
Mult.: 1
: 1,000

Vishay / Dale PTC Thermistors PTC 1.5Kohms 1% Linear 4,718In Stock
Min.: 1
Mult.: 1
: 5,000

Vishay / Dale PTC Thermistors PTC 2.7Kohms 1% Linear 4,608In Stock
Min.: 1
Mult.: 1
: 5,000

Vishay / Dale PTC Thermistors PTC 3.9Kohms 5% Linear 4,939In Stock
Min.: 1
Mult.: 1
: 5,000

ROHM Semiconductor ESD Protection Diodes / TVS Diodes RASMID TVS SMD0402 53,156In Stock
Min.: 1
Mult.: 1
: 27,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 36V Vwm TransZorb eSMP TO-277A SMPC 5,985In Stock
Min.: 1
Mult.: 1
: 1,500

Littelfuse Triacs 8A 35mA 600V IGT 3 QUAD INTERNL ISLTD 1,070In Stock
Min.: 1
Mult.: 1

Littelfuse Triacs 12A 50mA 800V IGT 3 QUAD INTERNL ISLTD 900In Stock
Min.: 1
Mult.: 1
Littelfuse Triacs ISO TO220 25A 35mA TRIAC 934In Stock
Min.: 1
Mult.: 1

Littelfuse SCRs 800V 12A 1,276In Stock
Min.: 1
Mult.: 1
: 1,000

Littelfuse SCRs 400V 25A 2,572In Stock
Min.: 1
Mult.: 1
: 1,000

Littelfuse Triacs THY SPECIAL TRIAC 1,877In Stock
Min.: 1
Mult.: 1
: 1,000

TDK Inrush Current Limiters 10 Ohms 2amp 2800k 9,842In Stock
Min.: 1
Mult.: 1
: 3,000

TDK Inrush Current Limiters 4.7 Ohms 3amp 2800k 3,688In Stock
Min.: 1
Mult.: 1
: 3,000

TDK Inrush Current Limiters S 238/15 M51 2,917In Stock
Min.: 1
Mult.: 1
: 1,000

TDK NTC Thermistors 5k 3988 1% 1,930In Stock
Min.: 1
Mult.: 1


TDK Varistors 275VAC 10% 5mm StandarD 26,602In Stock
Min.: 1
Mult.: 1
: 7,500

TDK Varistors 275VAC 10% 5mm StandarD 122,186In Stock
Min.: 1
Mult.: 1

TDK Varistors 460VAC 10% 14mm StandarD 16,825In Stock
Min.: 1
Mult.: 1

TDK Varistors 320VAC 10% 20mm SuperioR MP 7,339In Stock
Min.: 1
Mult.: 1