This is a 100µF aluminum polymer surface-mount capacitor rated at 6.3V DC with a 20% tolerance. It measures 5mm x 5.9mm, has a low equivalent series resistance of 0.025 ohms, a maximum current of 2150mA, and a typical lifespan of 2000 hours. The operating temperature is up to 105°C. Suitable for applications requiring reliable, high-performance power filtering and energy storage in compact surfaces.