C106MG is a triac made by ON Semiconductor. It is an optically isolated Silicon Bidirectional Triac, designed for use in applications that require the control of AC power. It comes with many features, such as a low holding current and a high reverse stand-off voltage, which make it ideal for a wide range of applications. It has a maximum continuous load current of 4.0A and it can withstand a maximum off-state voltage of 600V. The C106MG is UL, CSA, and VDE certified, making it a highly reliable device.