Circuit Protection

Circuit Protection
Circuit Protection devices and components are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Bourns, Eaton, TDK, Littelfuse, Semtech, Vishay, & more.
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Please view our selection of circuit protection devices below.
Results: 360,711
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 Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 350V 1,571In Stock
Min.: 1
Mult.: 1
: 1,000

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V 1,965In Stock
Min.: 1
Mult.: 1
: 1,000

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V 1,682In Stock
Min.: 1
Mult.: 1
: 1,000

Texas Instruments ESD Protection Diodes / TVS Diodes Low-Cap 3Ch ESD Prot ection Array 82,288In Stock
Min.: 1
Mult.: 1
: 5,000

Phoenix Contact Circuit Breakers CBMC E4 24DC/1-4A NO
141In Stock
Min.: 1
Mult.: 1

Vishay / Dale PTC (Positive Temperature Coefficient) Thermistors PTC 10Kohms 1% Linear 31,657In Stock
Min.: 1
Mult.: 1
: 5,000

Panduit Power Outlet Strips ES2P Basic PDU, 20 (16) AMP, (12)5-20R, NEMA 5-20P 3W-3M, BLACK 4In Stock
15Expected 2026/10/06
Min.: 1
Mult.: 1

Bel Fuse Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 50mA 874In Stock
Min.: 1
Mult.: 1
: 500

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V, REEL 2,812In Stock
Min.: 1
Mult.: 1
: 1,500

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2700 V 1,909In Stock
Min.: 1
Mult.: 1
: 1,000

Vishay SCRs SCR TO-263AB 1.6KV 16A 644In Stock
Min.: 1
Mult.: 1
: 800

Amphenol Advanced Sensors NTC (Negative Temperature Coefficient) Thermistors Insulated chip & leads, 5KOhm +/-1% @ 25 C 14,231In Stock
Min.: 1
Mult.: 1

Texas Instruments ESD Protection Diodes / TVS Diodes Automotive 12-pF +/ -5.5V +/-30-kV ESD p 166,804In Stock
Min.: 1
Mult.: 1
: 10,000

Panjit ESD Protection Diodes / TVS Diodes TVS, unidirectional, VRWM 60V, 5KW, SMC 3,100In Stock
Min.: 1
Mult.: 1
: 800

Bel Fuse Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 40mA 872In Stock
Min.: 1
Mult.: 1
: 500

Murrelektronik Circuit Breakers MICO 4.10 SPEED-START electronic circuit protection, 4 channels, IN: 24 V DC OUT: 24 V DC / 4-6-8-10 A, Optimized startup behavior 6In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers Type CH Breaker 40A/3 Pole 240V 10K 3In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breaker Accessories PDG2 DOOR H&LE W/MECH STD W/MECH PADLOCK 5In Stock
Min.: 1
Mult.: 1
Vishay ESD Protection Diodes / TVS Diodes 600W,20V 5%, SlimSMA BIDIR TVS 3,007In Stock
Min.: 1
Mult.: 1
: 3,500

Vishay ESD Protection Diodes / TVS Diodes 600W,27V 5%, SlimSMA BIDIR TVS 3,284In Stock
Min.: 1
Mult.: 1
: 3,500

Vishay ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323 14,600In Stock
Min.: 1
Mult.: 1
: 3,000

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 2 ELECT / 3000v 766In Stock
Min.: 1
Mult.: 1
: 500

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 1,116In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse Triacs 400V 10A 50-50-50mA 11,052In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors PT-IQ-5-HF-12DC-PT 55In Stock
Min.: 1
Mult.: 1