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: 359’447
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 Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 90V 3POLE RADIAL LEADS GDT 1’304In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors TTC-6P-3-24DC-PT-I 7In Stock
Min.: 1
Mult.: 1


Phoenix Contact Circuit Breakers CAPAROC E2 12-24DC/2-10A 160In Stock
Min.: 1
Mult.: 1

Phoenix Contact Surge Protection Accessories PT 2XEX(i)-BE 21In Stock
Min.: 1
Mult.: 1



Phoenix Contact Industrial Surge Protectors PT 3-HF-12DC-ST 25In Stock
Min.: 1
Mult.: 1

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 60volts 10’500In Stock
Min.: 1’500
Mult.: 1’500
: 1’500

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE HIGH VOLTAGE 5’236In Stock
Min.: 1
Mult.: 1
: 1’500

Bourns Thermal Cut-offs TRIP TEMP 90C 5C TOL 3’108In Stock
Min.: 1
Mult.: 1

Bourns Thermal Cut-offs TRIP TEMP 77C 5C TOL 7’547In Stock
Min.: 1
Mult.: 1

Bourns Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/6V 8’916In Stock
Min.: 1
Mult.: 1
: 6’000

Bourns Resettable Fuses - PPTC PTC 2.5A 30V RADIAL LEADED UNCOATED 7’525In Stock
Min.: 1
Mult.: 1

Bourns Varistors PV 140V 10% 4’771In Stock
Min.: 1
Mult.: 1
: 1’000

Bourns Varistors PV 275V 10% 6’868In Stock
Min.: 1
Mult.: 1
: 1’000

Bourns Thermal Cut-offs HC TCO 77C BL-51 23’118In Stock
Min.: 1
Mult.: 1
: 5’000

Bourns Thermal Cut-offs 72C Reinforced Cover SMD HC TCO 4’479In Stock
Min.: 1
Mult.: 1
: 5’000

Bourns Surface Mount Fuses 4A Fast Acting 0603 SinglFuse 21’803In Stock
Min.: 1
Mult.: 1
: 5’000

Bourns Surface Mount Fuses 1A 32V TIME DELAY 15’756In Stock
Min.: 1
Mult.: 1
: 5’000

Bourns Surface Mount Fuses 1.6A 32V TIME DELAY 18’045In Stock
Min.: 1
Mult.: 1
: 5’000

Bourns Surface Mount Fuses 6A 50V TIME DELAY 13’405In Stock
Min.: 1
Mult.: 1
: 5’000

Bourns Surface Mount Fuses 0603 time-lag met-foil. 5A Auto 4’286In Stock
Min.: 1
Mult.: 1
: 5’000

Bourns Surface Mount Fuses 1206 slow-blow met-foil. 15A Auto 7’076In Stock
Min.: 1
Mult.: 1
: 5’000

Bourns Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional 19’296In Stock
Min.: 1
Mult.: 1
: 5’000

Bourns Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional 23’147In Stock
Min.: 1
Mult.: 1
: 3’000

Vishay / Dale PTC (Positive Temperature Coefficient) Thermistors PTC 3.3Kohms 1% Linear 4’810In Stock
Min.: 1
Mult.: 1
: 5’000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 12V 1000W UniDir TransZorb 5% Tol 13’541In Stock
Min.: 1
Mult.: 1
: 3’200