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: 361,667
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 Triacs Triacs 2,195In Stock
1,000On Order
Min.: 1
Mult.: 1
Reel: 1,000

Littelfuse Triacs 16A 35mA 800V IGT 3 QUAD INTERNL ISLTD 1,281In Stock
Min.: 1
Mult.: 1

Littelfuse Triacs Triacs 1,704In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Murrelektronik Circuit Breakers Mico Pro electronic circuit protection, 4 channel IN: 24 V DC OUT: 24 V DC / 4 A CL2 15In Stock
Min.: 1
Mult.: 1

TDK Varistors 140VAC 10% 10mm AdvanceD 10,679In Stock
Min.: 1
Mult.: 1

TDK Varistors 680VAC 10% 10mm AdvanceD 3,973In Stock
Min.: 1
Mult.: 1

TDK Varistors 250VAC 10% 14mm MP AdvanceD 5,643In Stock
3,000On Order
Min.: 1
Mult.: 1

TDK Varistors Chip Varistors / Ceramic Transient Voltage Suppressors, Maximum continuous voltage=150V, Maximum Clamping Voltage (8/20 s)=360V 17,853In Stock
Min.: 1
Mult.: 1
Reel: 3,000
TDK Varistors 40VAC 10% 4032mm 16,384In Stock
Min.: 1
Mult.: 1
Reel: 1,000

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors A81-A250XSMD 1,152In Stock
Min.: 1
Mult.: 1
Reel: 350

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors N81-A90X 2,629In Stock
Min.: 1
Mult.: 1
Reel: 100

AIRPAX Circuit Breakers Cir Brkr Hyd Mag 13In Stock
Min.: 1
Mult.: 1
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 14In Stock
Min.: 1
Mult.: 1


Weidmuller Circuit Breakers 201-T3-6A 23In Stock
10On Order
Min.: 1
Mult.: 1

Bel Fuse Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 200mA 479In Stock
Min.: 1
Mult.: 1
Reel: 500

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 200V 1,935In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 400V 923In Stock
Min.: 1
Mult.: 1
Reel: 1,000

TDK Varistors 14mm, 300Vac, 10%, Compact Series 6,270In Stock
Min.: 1
Mult.: 1

TDK ESD Protection Diodes / TVS Diodes 0201 5.5VDC Bi-Dir 0.55pF 7A a.8/20us 15kV 1nAa.5.5V 38,785In Stock
Min.: 1
Mult.: 1
Reel: 20,000

Littelfuse ESD Protection Diodes / TVS Diodes 6-CH MINI 9V Uni-Di .20pF 20kV SESD 39,496In Stock
Min.: 1
Mult.: 1
Reel: 65,000

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
Reel: 5,000

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
Reel: 10,000