The Q4006R4TP is a discrete semiconductor component that is part of the Q series of TRIACs by Littelfuse. It is a 600V, 4A TRIAC with a TO-220AB package. The Q4006R4TP is designed for use in AC switching and control applications where high voltage capability and high reliability are essential. It features high commutation performance, low holding current for improved noise immunity, and a gate trigger current of 10mA. The Q4006R4TP is rated for operation up to 125°C and is RoHS compliant. It is suitable for use in a wide range of industrial and consumer electronics applications, such as motor control, lighting control, and power supplies