The MCR18EZPF4703 is a surface mount, non-solvent type, chip multilayer varistor manufactured by ROHM Semiconductor. It is designed to provide suppression of overvoltage transients in power supply lines or other signal lines. The device has a low-resistance, low-inductance construction, which helps suppress inrush current. It also features high non-linearity and low-voltage dependence, rapid response characteristics, and a wide temperature operating range from -55°C to +85°C. The MCR18EZPF4703 is suitable for use in various industrial, automotive and consumer electronic applications.