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: 363,025
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse Triacs ISO TO220 25A 35mA TRIAC 510In Stock
Min.: 1
Mult.: 1

TDK Inrush Current Limiters S 153/10 M51 7,324In Stock
6,000On Order
Min.: 1
Mult.: 1
: 1,500

TDK NTC (Negative Temperature Coefficient) Thermistors 100k 4600 3% 4,404In Stock
Min.: 1
Mult.: 1

TDK Inrush Current Limiters ICL S235/2.5 M 5,531In Stock
6,000On Order
Min.: 1
Mult.: 1

TDK Inrush Current Limiters S 235/8 M 4,579In Stock
Min.: 1
Mult.: 1

TDK NTC (Negative Temperature Coefficient) Thermistors 0603 10K 3% B-4480 NTC 13,389In Stock
Min.: 1
Mult.: 1
: 4,000

TDK NTC (Negative Temperature Coefficient) Thermistors 4.7k 3988 1% 60mW 382In Stock
Min.: 1
Mult.: 1

TDK Varistors 275VAC 10% 14mm EnergetiQ 3,457In Stock
Min.: 1
Mult.: 1

TDK Varistors 300VAC 10% 20mm 2-pin ThermoFuse 1,607In Stock
Min.: 1
Mult.: 1

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors A71-H25X 1,891In Stock
Min.: 1
Mult.: 1
: 500

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 200V 30% 2.5a S30-A200X 3,380In Stock
Min.: 1
Mult.: 1
: 2,500

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors T90-A420XSMD 716In Stock
Min.: 1
Mult.: 1
: 900

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors A71-H10XG 1,273In Stock
Min.: 1
Mult.: 1
: 500

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 2 ELECT / 350v 2,193In Stock
Min.: 1
Mult.: 1
: 100

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90VDC 0.5pF 0.2 2,326In Stock
Min.: 1
Mult.: 1
: 900


Schneider Electric Circuit Breakers TeSys MOTOR CB MAGNETIC 40A EVLK 4In Stock
3On Order
Min.: 1
Mult.: 1

Schneider Electric Circuit Breakers MAN-START 600VAC 40AMP IEC 7In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers Miniaturised double pole thermal circuit breaker with push-to-reset tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934). Threadneck panel mounting. Suitable for line and neutral switching - the thermal actuator op 71In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double 190In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers 1077, 1p, DN, 24VDC, N/O Aux, 3.6A 41In Stock
Min.: 1
Mult.: 1

Bel Fuse Surface Mount Fuses 1.5A 350 VAC 72 VCD 13,690In Stock
Min.: 1
Mult.: 1
: 5,000

Bel Fuse Surface Mount Fuses 4818 Fuse Square Ceramic Surface Mount Slow Blow 2.5A 1,375In Stock
Min.: 1
Mult.: 1
: 1,500

Bel Fuse Surface Mount Fuses Surface mount "Chip fuse" Silver Plated 0402 case size Fast Blow 500mA Tape and Reel (10000 pcs.) 5,600In Stock
Min.: 1
Mult.: 1
: 10,000

Bel Fuse Surface Mount Fuses 0603 SMD Fuse. Slow Blow 3.5A 4,368In Stock
Min.: 1
Mult.: 1
: 5,000

Bel Fuse Cartridge Fuses FUSE, CERAMIC TUBE 2.5A, 600VAC/600VDC 914In Stock
Min.: 1
Mult.: 1