... passed the GJB/Z9002 Military Quality System Certificationin 2000 and passed the GJB9001A-2001 Quality System Certification in 2004. ... Electronics Units; Thyristor; Rectifier; Fast Thyristor; Fast Rectifier;High Frequency Thyristor; Triacs; Power Semiconductor Module; Thyristor chip,rectifierchip,etc ... for communicationssa- tellite, aeroplane, submarine, radar, missile. HIGH frequency Thyristor (Disc)