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: 359’646
Select Image Part # Mfr. Description Datasheet Availability Pricing (CHF) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 1’146In Stock
Min.: 1
Mult.: 1
: 800


KYOCERA AVX Surface Mount Fuses .0375A 4.8mOhm Red T hin Film Fuses 0603 88’205In Stock
Min.: 1
Mult.: 1
: 3’000

Vishay / BC Components PTC (Positive Temperature Coefficient) Thermistors PTCEL13EL 120ohms 20’712In Stock
Min.: 1
Mult.: 1

Panjit ESD Protection Diodes / TVS Diodes Ultra Low Capacitance ESD Protection 5V 34’620In 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

Littelfuse ESD Protection Diodes / TVS Diodes ESD 20V BI 15’142In Stock
Min.: 1
Mult.: 1
: 15’000

Littelfuse ESD Protection Diodes / TVS Diodes ESD 24V BI 12’948In Stock
Min.: 1
Mult.: 1
: 15’000
Littelfuse Triacs 35 Amp Standard High Temperature Alternistor TRIAC-TO263 923In Stock
Min.: 1
Mult.: 1
: 500

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1000 V 1’564In Stock
Min.: 1
Mult.: 1
: 1’000

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1300 V 1’828In Stock
Min.: 1
Mult.: 1
: 1’000



Citel Industrial Surge Protectors DD15-24V D-sub Data Line Surge Protectice Device (SPD) , 24V, 9 wire+G 35In Stock
Min.: 1
Mult.: 1


Semtech ESD Protection Diodes / TVS Diodes uClamp 1-Line ESD & Surge Protection 13’423In Stock
Min.: 1
Mult.: 1
: 15’000



Weidmuller Circuit Breakers CB4201-10, 15.0A/TS35
96In Stock
Min.: 1
Mult.: 1

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 350V 1’573In 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

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

Littelfuse Triacs 16 Amp Standard High Temperature Alternistor TRIAC-TO263 693In Stock
Min.: 1
Mult.: 1
: 500

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2000 V 1’615In Stock
Min.: 1
Mult.: 1
: 1’000


Semtech ESD Protection Diodes / TVS Diodes UCLAMP, 1-LINE 3.6V TVS 16’313In Stock
Min.: 1
Mult.: 1
: 15’000

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 1’441In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse Fuse Holder Accessories FBDIN1
15Expected 9/14/2026
Min.: 1
Mult.: 1



Phoenix Contact Circuit Breakers CBMC E4 24DC/1-4A+ IOL 85In Stock
Min.: 1
Mult.: 1

TDK NTC (Negative Temperature Coefficient) Thermistors 10k 3988 3% 7’511In Stock
Min.: 1
Mult.: 1