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: 359.649
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 5000W 20V Bi DO-214AB TR13 7.370In Stock
Min.: 1
Mult.: 1
: 2.500

Bourns Varistors 20mm Radial Disc MOV - Kinked Leads, Bulk 3.224In Stock
Min.: 1
Mult.: 1

Bourns Varistors 20mm Radial Disc MOV - Kinked Leads, T&R 3.974In Stock
Min.: 1
Mult.: 1
: 250

Littelfuse ESD Protection Diodes / TVS Diodes TVS ARRAY 18.404In Stock
Min.: 1
Mult.: 1
: 10.000

Littelfuse ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS 5.100In Stock
Min.: 1
Mult.: 1
: 3.000
Littelfuse ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS 5.555In Stock
Min.: 1
Mult.: 1
: 3.000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes Low-profile version 600 W uni-directional TVS in DFN3820A package with Automotive grade 22.761In Stock
Min.: 1
Mult.: 1
: 14.000

Bourns NTC (Negative Temperature Coefficient) Thermistors 13 dia Power NTC 5ohm Y kink bulk 11.477In Stock
Min.: 1
Mult.: 1

Bourns NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 120ohm Y kink bulk 11.348In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes T4F - A 16V 39.947In Stock
Min.: 1
Mult.: 1
: 10.000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes T4F - A 24V 35.970In Stock
Min.: 1
Mult.: 1
: 3.000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes T4F - A 36V 35.980In Stock
Min.: 1
Mult.: 1
: 3.000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes T4F - A 39V 38.559In Stock
Min.: 1
Mult.: 1
: 10.000

Littelfuse ESD Protection Diodes / TVS Diodes 5.0SMDJ - A 400V 1.865In Stock
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 5000W 33V Bi DO-214AB TR13 3.560In Stock
Min.: 1
Mult.: 1
: 2.500

Littelfuse Varistors 35VAC 45VDC 1800pF AEC-Q200 1.404In Stock
Min.: 1
Mult.: 1
: 1.000

Littelfuse Industrial & Electrical Fuses 600V 50A RoHS 58In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 5.0SMDJ - CA 250V 1.740In Stock
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 5000W 28V Bi DO-214AB TR13 3.918In Stock
Min.: 1
Mult.: 1
: 2.500

Littelfuse Thermal Cut-offs 16V 500A MAX 4.000In Stock
Min.: 1
Mult.: 1

Bourns Industrial Surge Protectors DATA and SIGNAL SPD,2L,110V,Circuit 6 108In Stock
Min.: 1
Mult.: 1

IXYS SCR Modules Bipolar Module - Thyristor ComPack 74In Stock
3Expected 06/10/2026
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 5.0SMDJ - CA 440V 4.122In Stock
3.000Expected 30/12/2026
Min.: 1
Mult.: 1
: 3.000

Littelfuse Industrial & Electrical Fuses 1500 VDC 32A CYL COMPACT FUSE 42In Stock
Min.: 1
Mult.: 1

Vishay / Cera-Mite PTC (Positive Temperature Coefficient) Thermistors 35ohms 10A 410V 30% 549In Stock
Min.: 1
Mult.: 1