The MM3Z39W with SOD-323W Zener Diodes ROHS is a small signal, low power diode manufactured by Jingdao. It features a maximum power dissipation of 500mW, a breakdown voltage of 3.3V, and a voltage regulation of 5%. The diode is a SOD-323W package, made from a reliable and durable material to meet high-level requirements, and it complies with the Restriction of Hazardous Substance (RoHS) directive. It is known for its excellent performance and long service life and is commonly used for applications such as noise canceling, Zener clippers, voltage regulation, and high speed switching.