The BT152 with TO-252-4R TRIAC is an integrated gate controlled thyristor (IGCT) designed for power switching applications. It is manufactured by Weida Semiconductor and is compliant with the RoHS directive. The BT152 is a high current TRIAC designed for general-purpose AC switching in medium or high current applications. It is a four-pin, three-terminal silicon device with a maximum current rating of 20A. The BT152 is available in an industry standard TO-252-4R package for surface mount applications, and is RoHS compliant. The BT152 is suitable for various applications including motor speed control, dimmers, lighting control, and power supplies. It features a high surge current capability and low on-state voltage drop making it ideal for AC solid state switching and other applications requiring low losses and high efficiency.