The HS0J397M0509PC is a solid polymer electrolytic capacitor with a capacitance of 390uF ±20% at 6.3V, with radial type, 5x9mm size and RoHS compliance. It is manufactured by Honor, a leading supplier of electronic components and is commonly used in a variety of applications such as power supplies, motors, and computing units. It has good performance in temperature, frequency, voltage, current and long life span. It also has low ESR and ESL making it suitable for ripple current applications.