The Panasonic ECA1CM221I is a radial lead aluminum electrolytic capacitor, part of the M series. It's designed for applications requiring stable capacitance and voltage performance. With an endurance rating of 85°C for 2000 hours, this capacitor is suitable for demanding environments. It is RoHS compliant, ensuring environmental responsibility. The capacitor's radial lead configuration allows for flexible mounting options in various circuit designs. It's commonly used in power supplies, filtering circuits, and other applications where reliable capacitance is essential.