Panasonic MCDDT3520001 J3153056A MINAS A4 750W SAMSUNG HANWHA SM421 SM411 X Axis Servo Driver The Panasonic MCDDT3520001 J3153056A is a 750W AC servo driver from the MINAS A4 series, commonly used for X-axis motion control in compatible Samsung and Hanwha SM421 and SM411 SMT placement machines. Its base driver model is MCDDT3520, while J3153056A is the machine-related spare-part reference used for identification in SMT maintenance applications. The driver receives motion