Automotive Relays are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many automotive relay manufacturers including E-T-A Circuit Breakers, Littelfuse, Panasonic, Song Chuan, TE Connectivity & more.
Automotive relays are electromechanical switching devices specifically engineered to control electrical loads in vehicle systems using a low-current control signal. They provide reliable isolation between control circuits and high-current loads, helping improve system safety, durability, and electrical performance in demanding automotive environments. These components play a critical role in managing power distribution, automation functions, and electronic controls throughout modern passenger, commercial, and electric vehicles.
Types: The most common automotive relay types include SPST automotive relays, SPDT automotive relays, micro relays, mini relays, power relays, PCB automotive relays, latching relays, and high-current automotive relays, each designed for specific switching, load handling, and vehicle integration requirements.
Applications: Automotive relays are widely used in lighting systems, fuel pumps, HVAC controls, electric power steering systems, battery management systems, engine control functions, electric vehicle subsystems, and automotive power distribution networks to provide reliable switching and control of electrical loads.
Selection requirements: To choose automotive relays, evaluate contact configuration, coil voltage, switching current and voltage ratings, contact material, environmental sealing, vibration resistance, temperature range, lifecycle performance, and suitability for the intended automotive operating conditions.
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Please view our large selection of automotive relays below.
