a silicon - controlled rectifier apparatus , comprising a substrate upon which a low - voltage triggered silicon - controlled rectifier is configured . a plurality of triggering components are formed upon the substrate and integrated with the low - voltage triggered silicon - controlled rectifier , wherein the plurality of triggering components are inserted into the low - voltage triggered silicon - controlled rectifier in order to permit the low - voltage triggered silicon - controlled rectifier to protect against electrostatic discharge during human - body model and charged - device model stress events .