A module is a separate unit of software or hardware. Typical characteristics of modular components include portability, which allows them to be used in a variety of systems, and interoperability, which allows them to function with the components of other systems. The term was first used in architecture.
A silicon-controlled rectifier is a semiconductor device that is used as a switch in an electrical circuit.It's a solid state direct current (DC) electronic switch. There is a ton of information including a detailed description of the SCR and a list of applications at the Wikipedia article.A link is posted below. silicon-controlled rectifier is a semiconductor device that is used as a switch in an electrical circuit.
SCR Circuit Design. - details of how to design circuits using the SCR, silicon controlled rectifier, or thyristor including design concepts and equations. The silicon controlled rectifier or SCR is a very useful component and can be used to produce many different circuits. In view of its properties, the SCR is used in many power switching circuits as the device is able to handle large current levels.