... lines of Power Semiconductor Devices, and onePower Electronics Unit production line. Subsequently, there are one ProvincialTechnical Center ... Electronics Units; Thyristor; Rectifier; Fast Thyristor; Fast Rectifier;High Frequency Thyristor; Triacs; Power Semiconductor Module; Thyristor chip,rectifierchip, ... communicationssa- tellite, aeroplane, submarine, radar, missile. HIGH frequency Thyristor (Disc)