THYRISTOR MODULE PK(PD,PE)250HB Power Thyristor/Diode Module PK250HB series are designed for various rectifier circuits and power controls. For your circuit application. following internal connections and wide voltage ratings up to 1,600V are available. Isolated mounting base ˔ ITʢAVʣ250A, ITʢRMSʣ310A, ITSM 5500A ˔ di/dt 200 A/Жs ˔ dv/dt 500V/Жs ʢApplicationsʣ Various rectifiers AC/DC motor drives Heater controls Light dimmers Static switches Internal Configurations ", ʢ,ʣ , ( .