The CLA40MT1200NPB is a Triac manufactured by IXYS. It is a TO220AB package with a 1.2kV voltage rating and 20A current rating. This part has a let-through current of 40mA to 60mA and a peak surge current of 170A. This part is suitable for a variety of applications such as motor speed control, motor starts, lighting control, oven control, heater control, and temperature control.