The PE684J2A0503 is a metallized polyester film capacitor with through hole pins, manufactured by the Kyet Corporation. It has a pin spacing of 5mm and meets the RoHS standard, meaning it is free of lead, mercury, and other hazardous substances. This capacitor is suitable for various applications, including power supply filtering, signal coupling, and general-purpose high frequency circuits. It features low dissipation factor, small size, excellent self-healing properties, and long-term stability. It also has a rated voltage of 250VAC and a capacitance of 0.05uF.