inverter GRADE THYRISTORS 晶闸管逆变器级 1200V 135A inverter Thyristor in a TO-209AC (TO-94) package 1000V 135A inverter Thyristor in a TO-209AC (TO-94) package 800V 135A inverter Thyristor in a TO-209AC (TO-94) package 400V 135A inverter Thyristor in a TO-209AC (TO-94) package