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: 359 326
Select Image Part # Mfr. Description Datasheet Availability Pricing (CRC) Filter the results in the table by unit price based on your quantity. Qty. RoHS
TDK NTC Thermistors 100k 4600 3% 4 287In Stock
Min.: 1
Mult.: 1

TDK Inrush Current Limiters ICL S235/2.5 M 5 143In Stock
Min.: 1
Mult.: 1

TDK Inrush Current Limiters S 236/16 M51 3 470In Stock
Min.: 1
Mult.: 1
: 3 000

TDK NTC Thermistors 0603 10K 3% B-4480 NTC 12 614In Stock
Min.: 1
Mult.: 1
: 4 000

TDK NTC Thermistors 5k 3988 1 789In Stock
Min.: 1
Mult.: 1


TDK Varistors 50VAC 10% 7mm StandarD 11 786In Stock
Min.: 1
Mult.: 1
: 6 000

TDK Varistors 385VAC 10% 14mm AdvanceD 7 713In Stock
Min.: 1
Mult.: 1

TDK Varistors 250VAC 10% 14mm StandarD 14 002In Stock
Min.: 1
Mult.: 1

TDK Varistors 300VAC 10% 14mm AdvanceD Thermofused 2 121In Stock
Min.: 1
Mult.: 1

TDK Varistors 60VAC 10% 20mm StandarD 5 036In Stock
Min.: 1
Mult.: 1

TDK Varistors 95VAC 10% 20mm StandarD 6 580In Stock
4 500Expected 10/8/2026
Min.: 1
Mult.: 1

TDK Varistors 550VAC 10% 40mm High E 250In Stock
Min.: 1
Mult.: 1

TDK Varistors 10mm, 680Vac, 10%, Compact Series 8 131In Stock
Min.: 1
Mult.: 1

TDK Varistors 14mm, 350Vac, 10%, AdvanceD Compact Series 7 525In Stock
Min.: 1
Mult.: 1

TDK Varistors 0603 4.0V 30A 48 316In Stock
Min.: 1
Mult.: 1
: 4 000

TDK Varistors 20Vrms 80A 28 129In Stock
Min.: 1
Mult.: 1
: 3 000

TDK Varistors 1210 58VDC 2000pF 1000A 5 824In Stock
Min.: 1
Mult.: 1
: 1 500


TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors EM90X 1 850In Stock
Min.: 1
Mult.: 1
: 100

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors A71-H25X 1 633In Stock
Min.: 1
Mult.: 1
: 500

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors T23-A230XF4 966In Stock
Min.: 1
Mult.: 1

AIRPAX Circuit Breakers Cir Brkr Hyd Mag 25In Stock
Min.: 1
Mult.: 1
AIRPAX Circuit Breakers CIRCUIT BREAKER 34In Stock
Min.: 1
Mult.: 1


Semtech ESD Protection Diodes / TVS Diodes 1-Line Femto Farad RailClamp w/ EOS 12 989In Stock
Min.: 1
Mult.: 1
: 15 000

Schneider Electric Circuit Breakers MAN-START 600VAC 40AMP IEC 6In Stock
Min.: 1
Mult.: 1



E-T-A Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) integral type. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings see 297In Stock
Min.: 1
Mult.: 1