... research and development;avalanche thyristors;(TL371-250,TL371-320)phase control thyristor;(T212-10,T222-20,T232-20,T242-50,T151 ... module;MTC,MTA,MTK,MTX(25A-800A/800V-2000V)Electric valve module;MDC,MDA,MDK(25A-800A/800V-2000V)Thyristor electric ... valve mix module;MFC,MFA,MFK(25A-800A/800V-2000V)Rectification ...