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: 366,152
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 22Kohms 5% SMD 11,790In Stock
Min.: 1
Mult.: 1
: 4,000

Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 680Kohms 5% SMD 12,058In Stock
Min.: 1
Mult.: 1
: 4,000

Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 10K 1% 3435K 80MM AWG24 599In Stock
Min.: 1
Mult.: 1

Texas Instruments PTC (Positive Temperature Coefficient) Thermistors 1% 100-kohm linear t hermistor in 0402 A A 595-TMP6331DECT 38,172In Stock
Min.: 1
Mult.: 1
Max.: 1,060
: 10,000

Diodes Incorporated ESD Protection Diodes / TVS Diodes 600W 40.0V 36,805In Stock
Min.: 1
Mult.: 1
: 3,000

Diodes Incorporated ESD Protection Diodes / TVS Diodes 1500W 17.0V 3,987In Stock
Min.: 1
Mult.: 1
: 3,000

Diodes Incorporated ESD Protection Diodes / TVS Diodes 1500W 70.0V 4,692In Stock
3,000On Order
Min.: 1
Mult.: 1
: 3,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 5000W 15V Unidirect 1,080In Stock
Min.: 1
Mult.: 1
: 800

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W 39V 5% Uni 17,262In Stock
Min.: 1
Mult.: 1
: 750

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W 30V 5% Uni 4,060In Stock
Min.: 1
Mult.: 1
: 750

Littelfuse Resettable Fuses - PPTC .3A 60VDC 10A 2920 AEC-Q200 5,601In Stock
Min.: 1
Mult.: 1
: 4,000

Littelfuse Resettable Fuses - PPTC .5A 60VDC 10A 2920 AEC-Q200 7,946In Stock
Min.: 1
Mult.: 1
: 4,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 230V 3POLE RADIAL LEADS GDT 1,042In Stock
1,000On Order
Min.: 1
Mult.: 1

Littelfuse Resettable Fuses - PPTC .5A 24V Mini SMD AEC-Q200 15,614In Stock
Min.: 1
Mult.: 1
: 2,000

Littelfuse Resettable Fuses - PPTC 6V 750MA-HD 40A SMD 5,011In Stock
Min.: 1
Mult.: 1
: 3,000

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE MINI 2POLE 470VOLT 2,900In Stock
Min.: 1
Mult.: 1
: 1,500

Bourns Varistors AV AUTO SERIES 30V 21,372In Stock
Min.: 1
Mult.: 1
: 2,500

Bourns Varistors Chip Guard 0402 24 Volts 38,449In Stock
Min.: 1
Mult.: 1
: 10,000

Bourns Thermal Cut-offs TRIP TEMP 90C 5C TOL 3,221In Stock
Min.: 1
Mult.: 1

Bourns Thermal Cut-offs TRIP TEMP 77C 5C TOL 7,557In Stock
Min.: 1
Mult.: 1

Bourns Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/6V 8,928In Stock
Min.: 1
Mult.: 1
: 6,000

Bourns Resettable Fuses - PPTC PTC 2.5A 30V RADIAL LEADED UNCOATED 7,545In Stock
Min.: 1
Mult.: 1

Bourns Resettable Fuses - PPTC 30V 3A-HD 40A MAX 9,190In Stock
Min.: 1
Mult.: 1
: 3,000

Bourns Varistors PV 140V 10% 4,783In Stock
Min.: 1
Mult.: 1
: 1,000

Bourns Thermal Cut-offs HC TCO 77C BL-51 26,228In Stock
Min.: 1
Mult.: 1
: 5,000