silicon controlled switch - An SCR with an added terminal called an anode gate. A positive pulse either at the anode gate or the cathode gate will turn the device on. silicon dioxide - Glass like material used as the gate insulating material in a MOSFET. silicon transistor - A bipolar junction transistor using silicon as the semiconducting material. silicon - (Si) Non metalic element (atomic number 14) used in pure form as a semiconductor. silicon-controlled rectifier - (SCR) Three terminal active device that acts as a gated diode. The gate terminal is used to turn the device on allowing current to pass from cathode to anode.
