.The 1.5SMC47CA with 64.8V 44.7V 40.2V SMC(DO-214AB) TVS ROHS is a surface mount transient voltage suppressor manufactured by Yageo. It is designed to protect electronic components from destructive voltage transients such as electric transients, electrostatic discharges, and other voltage surges. It is RoHS compliant, meaning it does not contain hazardous materials and is safe for use in environmentally sensitive areas. The 64.8V, 44.7V, and 40.2V represent the three different levels of clamping voltage available. This part is available in the standard DO-214AB footprint, and can be used in a variety of applications including telecom systems, computers, robotics, and others.