LKP1AF 5V ALKP329 DIP4 Power Relay Key specifications Coil voltage and type: 5V DC coil Contact rating: 10A switching current Package: DIP4 through‑hole package for standard PCB mounting Quantity: sold as 1 piece per lot Why you need it Provides reliable electrical isolation between control circuitry and higher-current loads Lets 5V logic or microcontroller outputs switch common loads up to 10A without redesigning driver stages Compact DIP4 form factor fits standard PCB footprints and relay sockets for fast integration What it delivers Function: electromechanical relay that switches circuits using a 5V DC coil Compatibility: works directly with standard 5V logic levels and DIP4 footprints Size and mounting: small, standard DIP4 package for easy through‑hole PCB mounting or socket use Performance and durability: designed for repeated switching with durable contacts suitable for typical load cycles Material: standard relay construction appropriate for general-purpose PCB installations Benefits that matter Simplifies designs by isolating sensitive control electronics from noisy or high-current loads Reduces development time through plug-and-play compatibility with 5V systems and common PCB layouts Saves board space while maintaining a clear, serviceable package for field maintenance or replacement Typical use scenarios Microcontroller projects: use with Arduino or other 5V controllers to switch LED strips, small fans, or solenoids up to 10A Home automation: control actuators, lighting circuits, or small appliances from a 5V control hub Industrial panels and signaling: drive 5V devices or interface signaling equipment where isolation and a 10A contact rating are required Installation and compatibility Fits standard DIP4 footprints and common relay sockets for straightforward PCB or panel mounting Integrates directly with 5V control lines; confirm control driver can supply the relay coil current Important safety note Verify the load voltage and wiring comply with the 10A contact rating before use to ensure safe, reliable operation.