.The HL-C3535K9W5EA(Ra4)-FC is an LED SMD with a package size of 3.45x3.45mm and is RoHS compliant. It is manufactured by HONGLITRONIC and is designed for a variety of applications such as general illuminations, decorative lighting, high-speed counter displays, signal displays, and architectural lighting. The LED chip has a 3.5mm square chip with a low thermal resistance and high luminous efficiency, making it suitable for use in tight spaces. The LED comes in a variety of colors including red, green, yellow, blue and white. The device features three-lead terminals for easy installation and is suitable for direct bonding or reflow soldering.