The MAC97A8,412 is a two-way thyristor or TRIAC (Triode for Alternating Current) manufactured by WeEn Semiconductor. The device has a maximum voltage rating of 600V and comes in a TO-92-3 surface mount package. This device is RoHS compliant and is a popular choice for controlling and regulating AC currents in various types of electronic circuits. The MAC97A8,412 is used for applications such as solid state switching, the control of motor speeds, appliance control, and phase angle control.