MOTOROLA SEMICONDUCTOR TECHNICAL DATA TRIACS Motorola preferred devices MAC9 SERIES Silicon Bidirectional Thyristors Designed for high performance full-wave ac control applications where high noise immunity and high commutating di/dt are required. Blocking Voltage to 800 Volts On-State Current Rating of 8.0 Amperes RMS at 100°C Uniform Gate Trigger Currents in Three Modes High Immunity to dv/dt 500 V/µs minimum at 125°C .