MicroelectronicsThe JCT1240Z is a one-way thyristor manufactured by JieJie Microelectronics. This TRIAC (Triode for Alternating Current) comes in a TO-3P package with a voltage rating of 1200V. It is RoHS compliant and designed for high voltage applications and is suitable for switching AC signals. It is a three-terminal device with the anode connected to Gate, MT1 and MT2 connected to the cathode. It features low leakage current, fast switching speed, good dV/dt capacitance and low thermal resistance. It can be used in various applications including motor control, AC power control, AC switching, etc.