The DY-339URSUGW/SN, manufactured by TONYU, is a Light Emitting Diode (LED) Through Hole RoHS electronic part. It is designed for user-friendly installation and reliability, featuring an Extended Illumination Output and a Radial illumination package. It also boasts a four-digit part number, with the first two digits indicating power dissipation in mW and the latter two indicating forward voltage in Volts. Typically, this part is used for indoor or outdoor illumination applications, backlighting displays, exit signs and indications, or automotive applications. It also has Low Forward Voltage, High illumination Efficiency, and a High radiant intensity, enabling it to be used in very small spaces.