... research and development;avalanche thyristors;(TL371-250,TL371-320)phase control thyristor;(T212-10,T222-20,T232-20,T242-50,T151 ... diodes;(DF212-10,DF212-16X,and so on)Plate high frequency thyristor;KG(KA)100A-1500A/100V-2000VThyristor module;MTC,MTA ...