Designed primarily for full-wave ac control applications, such as motor controls, heating controls and power supplies; or wherever half−wave silicon gate−controlled, solid−state devices are needed. Features • Glass Passivated Junctions and Center Gate Fire for Greater Parameter Uniformity and Stability • Small, Rugged, Thermowatt Construction for Low Thermal Resistance, High Heat Dissipation and Durability • Blocking Voltage to 200 Volts • Pb−Free Packages are Available*