ABCs of Electronics: An Easy Guide to Electronics Engineering

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2024

F. AsadiABCs of ElectronicsMaker Innovations Serieshttps://doi.org/10.1007/979-8-8688-0134-1_9

9. Relays

Farzin Asadi^{1, 2}  

(1)

Department of Electrical and Electronics Engineering, Maltepe University, Istanbul, Türkiye

(2)

Department of Electrical and Electronics Engineering, Beykent University, Istanbul, Türkiye

 

Relay (Figure 9-1) is an electromechanical switch. You can use a relatively small current to control a large current. Relays are thousand and million times slower than electronic switches like BJT and MOSFETs.

A photograph of a relay switch with dimensions ...